MultiCharge offers record-breaking speeds at 6500W. Very glad I grabbed a pair of the Pro EcoFlows that beats this IMHO and had better prices at their debut along with a 10 year warranty too. Is it worth buying ? I was a courier, Every thing was magically pnly 150lbs. WATCH IT HERE -ALLPOWERS MONSTER PRO- 5000wh UPS LFP SOGEN Only $3399 for a restrained time! A battery that lasts. Seems to be a colossal failure, even after dropping the super early bird special by $600.00. I hate that it even uses your picture; can't imagine how you feel. 4-branch Plug, 1 x 24-month product warranty with 24 x 7 friendly customer service. 12V or 24V cigarette lighter charging. ! PortableGenerator.eu Transmit distance:5-8 mm Transmit conversion:72%, Charging frequency:110-205 KHz Compatibility: it supports most smartphones that equipped with QI standard technology or other Qi- enabled devices. For example, Renogy 100W has MC4 output, so you need MC4 to Anderson cable to charge the power station. It turns green when Bluetooth is successfully connected. Check the project FAQ Let us know if you think this campaign contains prohibited content. Its huge 3600W of non-stop strength from. ALLPOWERS R600 Portable Power Station 600W, ALLPOWERS R4000 Portable Power Station 4000W 3600Wh, ALLPOWERS S2000 Pro Portable Power Station 2400W 1500Wh, ALLPOWERS S2000 Portable Power Station 2000W 1500Wh, ALLPOWERS S1500 Portable Power Station 1500W 1092Wh, 1. It depends on the capacity of your phone battery, for example, if you have a 3000mAh battery in your phone, it will take about 5 hours to fully charge your phone. Got ideas or questions about the filters? AllPowers have released an upgraded version of the Monster X the Monster X Pro. EcoFlow Delta Pro - FIVE Units Down. https://offgridpowerboom.com/allpowers-monster-pro-solar-generator/ S2000 Pro Solar Generator S2000 Solar Generator S1500 Solar Generator . You may have given a round about answer in your review, but I wasn't able to sort it out and even a ballpark answer would really help me decide if I want to take a chance on this fairly expensive gadget during the campaign. In some cases, the first starting wattage of some AC appliances is three times higher than its rated running. I would say a water pump for a fish tank, you would get 24 to 36 hours out of it without a recharge. The norm is that they do not respond, so lets see if there is a change in behaviour this time.Useful links:AllPowers Monster Pro Indiegogo campaign:https://www.indiegogo.com/projects/monster-pro-most-versatile-portable-home-battery---------------------------------------------------------------------------------------------------------------------------------Techman:Im no electrician, just a technician with a passion for solar technology and portable power solutions. Short press to light up the LCD, then long press to enter Bluetooth mode. We take a look at the upgrades and how they compare to the older Monster X.AllPowers have now started a crowdfunding campaign for their Monster Pro; an all-in-one home backup system. EcoFlow DELTA Pro Power Station Solargenerator ab 3989,00 ; Typ: Solargenerator ; Anschlsse Output: 2x USB-C, 2x USB Fast Charge, 2x USB, 4x AC, 1x 12V. Welcome to the solar life. EcoFlow DELTA Pro Special 25% OFF CAPACITY 3600Wh AC OUTPUT3600W (Surge 7200W) CYCLE LIFE 6500 COST/ Wh $0.75 Estimated shipping Oct 2021 Ships to Only certain countries 813 backers Add-ons Shipping vacation spot Select a rustic: Pledge quantity $ Kickstarter isnt always a shop. For those that prioritize energy over portability, a larger model like the Monster X or Solar Generator 1000W could also be more appropriate. I just went through the comments for this video and kept clicking on Report. Charging from Solar(MPPT Regulating )Charging from ALLPOWERSs foldable solar charger/ solar modules 50- 100W. Thank you, Looks like the cigarette is actually a cigarette lighter plug looks like the center peirce that holds the positive connection is actually ciramic unfortunately it won't run my 12 volt electric oven slow cooler it takes more than 10 amps, Your email address will not be published. AC outing,pls long press AC Master again to switch it off if unloaded. ??????? 1 EcoFlow DELTA Pro unit incorporates a 3600W AC output, with the X-Boost generation it could be easily accelerated as much as 4500W . Copyright SamStores 2023. 1500Wh 2400W for All Home Appliances: With excellent 2400W (surge 4000W) wattage and 1500Wh capacity, ALLPOWERS S2000 Pro features 4* standard pure sine wave AC outlet, 1* 13V10A Car port, 2* USB-C (PD 100W) and 4* USB-A (QC3.0)port, which will power almost all of your huge power devices (Coffee Maker, Electric Drill, Microwave Oven, Electric . GO TO ALLPOWERS SITE DC outings will be activated once there are loads plugged in,and they turn off 5 s later if. ALLPOWERS S2000 Pro Portable Power Station 2400W 1500Wh has a remarkable 1500Wh capacity and 2400W output, making it capable of running 99% of home appliances. Sorry if this isn't the place to ask but I know you're amazing at this stuff and I love your videos. Meet our modern-day innovationand every other splendid use in your EGO POWER+ batteries: Clean, quiet, battery powered opportunity to compact fuel generators. 68 Less than a minute. The biggest thing I search for is the best generator, long lasting, & portable. I will have 10 guage solar wire connected to them going to a 40amp charge controller and 2-100ah 12v batteries. I have had mine for a few months now for van life. Ego Power+ Nexus Portable Power Station 29.10.2021. Since 2010, it has been developing different advanced portable power generator and solar panels for world wide consumers. "so I have a piece of baling wire in there for the fuse" You remind me of me. This ALLPOWERS solar power generator kit includes 1*S2000 PRO 1500Wh portable power station and 2*200W foldable solar panels, enabling you to don't worry about power at all at outdoor. Continuously discharging the battery to 0% and then storing it with an empty battery may reduce its serviceable life. There is three charging options, but you can only choose one charging method per time. charging, press for a litlle longer until you see . ALLPOWERS App supports iOS 9.0 or above/Android 4.3 or above. IMPORTANT SAFETY INSTRUCTIONS BEFORE using this product. Was like a "To be continued" moment. ALLPOWERS S700 Portable Power Station 700W 606Wh is a battery power station packing 606Wh into a light 11.6lbs and small size with a carrying handle design making the mobile power station for camping really portable. they are making these bigger and bigger. Here are some of their in style models: This ground-breaking S2000 powers all of your imaginable appliances, including hot plates, full-sized refrigerators, air conditioners, and more, with an enormous charging capacity of 1,500Wh. I keep getting asked about the BOUGE RV 1200 watt 1100 wh solar generatorIs it any good ? it is not recommend to charge this portable power station with a solar panel over 160W. I'd like to have something like this for long term power outages and camping, and just recharge with a generator during the day without having my genny stolen at night by giving away its location by running it and without disturbing my fellow campers or neighbors at night or for longer than necessary during the day. You can use solar energy to fee DELTA Pro in just 2.Eight-five.6 hours. You can use this solar bundle in many occasions, such as outdoor camping,RV,camper,boat,home,emergency,off-grid and so on. It is expected to be released on IndieGoGo this month. This high-capacity power station is full of features that make it vital for anybody in need of portable power. 2 x DC for LED lamps, or any other required devices that are no more than 12V working voltage. Aipower App supports iOS 9.0 or above /Android 4.3 or above. (Note: the 12V DC car socket and the DC ports are always live, no master button needed). Here are some factors to contemplate: Consider how a lot energy you want and for what purposes. Allpowers portable power station gives you the ports you need to charge all of your devices at the same time. Sie kann mit Zusatzakkus, Smart Generators und sogar mit dem Smart-Home-. Connecting via Bluetooth without the internet, ALLPOWERS APP makes operation easy and stable. Once we convert our entire electricity grid to green and renewable energy, cost of living goes down. ALLPOWERS R600 Portable Power Station 600W, 3. ALLPOWERS Monster X Pro Portable Power Station With 1500Wh/2400W(4000W Surge), you can use Monster X Pro for home backup in case unexpected power outages, or use it as a clean sun-powered generator for van life. Cheap! The portable home battery DELTA Pro sports activities a 3.6kWh potential that may be extended all the manner to 25kWh. should but the one I got isnt with the maximum watts. Close menu. ), Output: DC5V2.10A at Max. If youre going on a short trip or solely need to cost smaller devices, a lower-capacity model like the Powerhouse 200 may be enough. ALLPOWERS Monster PRO 4800wh UPS LiFePO4 Modular Solar Generator Power Station Review. These power stations are available varied capacities and might power a variety of devices, from smartphones and laptops to small appliances. source, Unfortunately, there was some miscommunication with Allpowers. or should I put my money else where cause I dont see anything in this range or class..Thank You. Solar Equipment Reviews and Technical Support. This short story takes place in a city, where the people hide in fear of the Huntress. 2 x AC universal out: for AC appliances, laptops (in some emergency cases with no grid-power access, you can charge your vehicles batteries by using youAC cars original charger). Brand ALLPOWERS An American visitor from out of the city, despite hearing about all the scary things that would happen when you see the Huntress. If you live in a place where there is a lot of overcast or rainy weather you may want to consider getting a larger solar panel. There is likewise a 12-volt vehicle port providing 10 amps. Once you got a solar panel on a roof, energy is free. A portable energy station is a compact, transportable device that shops electrical energy to be used when youre away from a conventional energy supply. Subscribe Be the first to receive our latest news, how-to user guides & exclusive deals! By contemplating elements equivalent to capability, power output, portability, solar charging compatibility, and value, you can confidently choose the fitting Allpowers Portable Power Station for you. Thanks. ALLPOWERS Monster PRO 4800wh UPS LiFePO4 Modular Solar Generator Power Station Review 2:51 We recommend Compare using chart Allpowers S700 + AP-SP-012 from $619.99 700 W, battery: Li-ion, 606 W*h, sockets: 2 pcs, USB A: 3 pcs, 15 W, USB type C: 1 pcs, 100 W, Anderson, cigarette lighter, DC output compare EcoFlow RIVER Mini from $169.00 Reference Running Time for common appliances. However, it can not replace the normal wall charger for long-term use. 3 x USB: for smart phones, portable banks,small USB fans, other USB- Powered devices. It may not display this or other websites correctly. Charging from Wall Socket: The battery segments will blink, and they become solid when it is fully recharged. You may even pair units collectively to acquire 7200W. Please check the output cable of other solar panel. Contents hide 1 Precautions before operating: 1.1 Get To Know Your Gear 1.2 AiPower (App) 1.3 Real-time LCD Displays 1.4 What's included 1.5 Charging your Solar Generator Allows you remote control via your phone whenever and wherever. Do you know why YT hasn't done anything about it yet? Through the LCD display and smartphone, you can also accurately determine the power stations remaining battery/input/output. Think about how moveable you want your power station to be. (Two-way PD in/outing supports up to 60W maximum), 1 Carport: 12V10A Wireless charging5V2.1A, Over temperature charging protection: 5565()/32~104(), Temperature over-discharging protection: 6575()/32~104(), Within 1 month: -20~60()/-4~140() Within 3 months-20~45()/-4~113() Within 12 months: -20~25()/-4~77(). Watch The Video On YouTube The Professor reviews the new ALLPOWERS Monster Pro 4800wh LFP UPS solar generator power station with 3500w inverter, 2000w Solar / EV charging, and modular parallel ability up to 76kwh! Comment * document.getElementById("comment").setAttribute("id","a1de12cef8a7540649ec1b7b48dc1d75");document.getElementById("afe6277d1c").setAttribute("id","comment"); Save my name, email, and website in this browser for the next time I comment. You can also fully recharge it with a 12V/24V car outlet or a generator. When outside, you can get stable 300W solar power input with MPPT optimization. Er bietet dir zuverlssige Power fr. are in it .Even I wonder ?is it any good ? Looking for more information? 10 Best Portable Power Stations One thing that nearly each van lifer has in not unusual is a transportable power station and solar panels to. ALLPOWERS offers a range of portable power solutions including solar generators, portable power stations and solar panels. Environmentally friendly energy sources for home and travel. Link provided below.What do you think of the new Monster Pro? Monster X Pro takes up to 650W solar and 1500W AC input. The battery packs inside are non-removable, non- disassemble, the life-cycle for charge and discharge is over 500 times, but eventually, it will wear out. Your email address will not be published. In my system, there are two strings of panels, each delivering over 200 volts to the (multi-input) inverter! The MASSIVE weight and the fact that you had to zoom in to see the data panel (like Bluetti) to reasonably read it are deal breakers for me. " Allpowers has established itself as a number one brand within the portable power station market. Bluetooth Mode Long press Master again to turn off Bluetooth if unloaded. Powerful enough for adventures on the go, car trips, camping trips, caravans and overland rides.1500 Wh 2400 W for all household appliancesWith a higher power of 2400 W (peak 4000 W) and a capacity of 1500 Wh, Monster X Pro has 4 x standard AC sockets with pure sine wave that provide additional capacity to power more AC devices simultaneously (coffee machine, electric drill, microwave, electric Frying Pan, Hair Dryer Kettle, refrigerator, washing machine, etc.). Please use it in a cool and well- ventilated (Keep it clear from naked flames, sparks or conductive materials when charging the battery). ALLPOWERS offers an array of portable power supply solutions, including solar generators, portable power stations & solar panels. Facebook Twitter LinkedIn Tumblr Pinterest Reddit VKontakte Odnoklassniki Pocket. After 3 days only 6 of 10 backers for the cheapest perk. Wir stellen vor: Die Zukunft der tragbaren Energiespeicher. If overloaded, it will disable AC outputting other than DC ports, by the advanced built-in system control circuit module. Allpowers offers an array of portable power supply solutions, including solar generators, portable power stations & solar panels. Pretty sure I Reported about 100 times. GET THE MONSTER PRO: https://hobos.cc/tT9c, I love how you threw some Ramstein in thereBANG, Totally unrelated sorry, do u know where a guy can get an xt90 male to aviation plug adapter, Love your channel! Have you found an error on this page? 0-100% Within 1.5 Hours: With 1500W AC input, the Allpowers Monster X Pro portable power station can be fully recharged within 1.5 hours. I'm only going to get is one so please help. For long-term storage, please do avoid storing outside, or in damp environments. Paul Cezanne, How it works by XUNZEL Solar and Wind Energy Systems, Project Title Vertical axis wind turbine, ALLPOWERS Monster PRO 4800wh UPS LiFePO4 Modular Solar Generator Power Station Review. Even their facebook page has not one positive review. If you are living off-grid in sub-zero conditions, we recommend you keep your unit in an insulated cooler and connect to a power source(solar panels). It's a manner to carry innovative projects to lifestyles. Skip to content. . It is very suitable for emergency power failure at home and long-distance outdoor travel by RV. I duda Preorder last year and the AC Charging Cable came bad .And They never sent me back a good One;Very Poor Customer Service. Subscribe now. ALLPOWERS S700 Portable Power Station 700W, 4. Allpowers has rapidly gained popularity as a consequence of their high-quality moveable power stations. 82 Apr 6, 2022 #1 Anyone saw the launch of the Monster Pro on Indiegogo? For a better experience, please enable JavaScript in your browser before proceeding. Is there any way you can block that from your channel altogether? Since 2010, it has been developing different advanced portable power generator and solar panels for world wide consumers. I am building an off grid solar setup, "my first ". Voltage and frequency from AC source might vary from country to country (US/JP 110V 60Hz or EU/UK 220V 50Hz). Your small digital devices such as tablets and phones effectively.30 A motorhome outlet: Allpowers Monster X Pro portable power station equipped with a dedicated connection for caravans (230 V/30 A) it can also charge the car battery when parking, avoid exhaustion of the motorhome battery due to too much power of the on-board electric devices and enjoy the fun at night in the car at any time.Charging from 0 to 100% in 1.5 hours: Monster X Pro takes up to 1500 W power and 650 W solar panel. Please also advise us by providing a statement of how the failure occurred and the details of the issue. Our Verdict. The Professor reviews the new ALLPOWERS Monster Pro 4800wh LFP UPS solar generator power station with 3500w inverter, 2000w Solar / EV charging, and modular parallel ability up to 76kwh! Required fields are marked *. Hng dn son vn lp 6 bi S t v lng t ngn nht: http://cn.allpowers.net/apk/allpower.html, https://itunes.apple.com/app/id1440262480, https://manuals.plus/wp-content/uploads/2021/07/default.jobtemplate.mp4.480-21.mp4, 8750W Portable Inverter Generator User Manual, Westinghouse WGen6000 Portable Generator User Manual, Champion 4000W Portable Generator User Manual, Voltage 12-20V Current 3.2A (at Max. Before the operating, please check the voltage, including the starting & running wattage of your load devices. D DaGoose13 Solar Enthusiast Cooling vent: It starts when system goes above 55C and turns off when system drop to 50C. Please do use the adapter(20V3.0A) included with this unit, never use an extra or different one. The Bluetti AC200P has regularly been touted as one of the first modern energy stations thanks to its. Packed with options that allow you to completely customize your website to your needs. Amazon.com: ALLPOWERS S2000 1500Wh Solar Generator with Solar Panels included 2000W Portable Power Station with 2 Foldable Solar Panels 100W for Battery Backup Electric Vehicle RV Emergency : Patio, Lawn & Garden Patio, Lawn & Garden Generators & Portable Power Solar & Wind Power Solar Panels $1,09900 FREE delivery June 5 - 7. Solar charge specs are 100-200w and 16-24v. (DC 5.52.5 mm socket, single port supply no more than 12V5A.). This ALLPOWERS R4000 power station features a LiFePO4 battery. Androidhttp://cn.allpowers.net/apk/allpower.htmliOShttps://itunes.apple.com/app/id1440262480. To prevent energy loss, each time when outputting is finished, press on master button again to turn off outing , and disconnect the load from the unit. Wattage 2400 watts A south facing panel angle at 30-60 degrees from a flat surface will harvest the solar energy that is most possible.Avoid any possible shelterMake sure your panels are free of shade, even minor or partial shading reduces yields. Skip to content Close menu Solar Generator The generator has some serious specs but no one seems to be buying it. Please do not email for personal reasons, questions etc. Tags: ALLPOWERS Portable Power Station (Monster X Pro) UPS 1500 Wh 2400 W Battery Solar Generator Mobile Power Storage 30 A Motorhome Plug with 2 x 100 W Foldable Solar Panel for Motorhome, Travel, Camping. Lastly, take into account your finances. It is a pity that the car charging cable is not included currently.Would u mind try to find a car charging cable online? QUIET MODE No noise,no fumes,just sustainable power Ergonomic And Ultra-Portable Design Power Anywhere With ALLPOWERS S4000 Enjoy Your Family Time, Goal Zero Yeti 1000X + Boulder 100 Briefcase, Goal Zero Yeti 1500X + Boulder 200 Briefcase, Goal Zero Yeti 3000X + Ranger 300 Briefcase. A natural sine wave inverter that runs cooler and. the 70V limit for solar is a bit off-putting, but otherwise seems ok. Their previous campaign reputation is not that great. Their last Campaign for the MONSTER X is filled with pissed off backers who are saying this company is refusing to give refunds on their product that so many seem to be unhappy with. They told me there was a 4800wh and 5000wh option but come to find AFTER launch there is only a 3500wh and 5000wh. You can charging this generator from the 12 V car port during the driving hours. Fully Charged Reference Time(Only for information, take practicality as standard. Jannah is a Clean Responsive WordPress Newspaper, Magazine, News and Blog theme. Master On/Off (Wireless Charging/Bluetooth) A short press is needed to activate wireless. I got an ad as soon as his make shift fuse blew. Select it and click Ctrl+Enter. In case of power failure, the battery power supply can automatically switch without power failure. Man, you would be doing a big fan of your channel a big favor if you could, in a timely manner, simply break down the answer to one question. It is normal for this unit to become warmer during charging/discharging. Welcome to the solar life. Anyone saw the launch of the Monster Pro on Indiegogo? Required fields are marked *. Required fields are marked *. Box contents: 1 x ALLPOWERS Monster X Pro, 1 x AC socket charging cable, 1 x MC-4 to XT60 solar charging cable, 1 x car port to DC5521 cable, 1 x waterproof and dust-proof bag, 1 x user manual and warranty card, 2 x ALLPOWERS 100 W foldable solar modules, 2 x MC-4 on Anderson cable, 1 x MC cable. (FYI: 16:16 MDT.. 1st price level sold out. Allpowers S2000 PRO charging from exterior battery or batteries, Enphase IQ8+ AC coupled to Dual Schneider Conext XW Pro - No PV when off grid, Leoch Power Generator 2048Wh Capacity, 2000watt inverter $1059 USD. Portable power source features 2*AC ports 110V/60Hz, 300W, peak 500w, 1*TYPE-C port 5V-20V/ 60W max, QC3.0, 3*USB ports 5V/ 3A, 2*DC ports 12V/ 5A, 1* car socket 12V/10A and a wireless charger 5V/2.1A at the top. You can feed it up in less than 1.5 hours. (Using Anderson to MC4/DC 5521 cable.not included, sold separately.). On the flipside, if youre recharging devices that draw wattage more slowly (a small TV), you will get closer to 372Wh from this unit. All Rights Reserved. We are considering a future off grid home using a 48 volt system using these larger capacity units linked together. You have the ability to make it part. For safety reasons, all USB, AC ports and wireless charging are activated accordingly by a master power button. The main difference is that this solar generator can charge and discharge at the same time. Wonder if this sells well if Ecoflow will come out with a new even bigger unit. My Allpowers generator is refusing to charge. You are using an out of date browser. Car Socket: Car On-board Firdges, 12V appliances, etc.Car socket is built with short-circuit protection, but they should be protected with the rubber plug when not in use. ALLPOWERS S2000 Portable Power Station 2000W, 2. Thats a safe estimate. How to upload a version of mine? You can combine up to 6 stations. Is it a direct competitor to the EP500 from Bluetti?Lastly, I have (again) tried to reach out to a couple of prominent manufacturers of portable power stations so that we can compare their units to the Jackery and Leoch power stations we have looked at on this channel. 1 x USB-C: for smartphones compatible with QC2.0/3.0 standard, two way PD in/out up to 60W per hours. Catalog portable Power Stations 2023 - new products, best sales. Enhancv helps you create compelling human-centric resumes that unveil the real person behind. (Interestingly, in many home solar systems, every panel on a particular roof segment is connected in series. If you have any concerns regarding our products or services, please email us at support@allpowers.net, we will offer our assistance within 1 business day! 72,158 views Apr 30, 2022 TECHNISCH. Come join in and be part of a community of solar enthusiasts ready to help each other. It is recommended to always leave at least 20% capacity unused. But for temporary solar charging, it is essential to know that cold weather will not negatively affect the performance of the panels as they run on light, not heat. This item: ALLPOWERS Monster X Pro Portable Power Station with Panels Included, 1500Wh MPPT Solar Generator 2400W with 2 PCS Portable Solar Panel 200W for RV Outdoor Camping Home Emergency These solar generator manufacturers need to put 200-300 volt solar input. 68 Less than a minute. DELTA Pro+ 4x 110W Portable Battery Generator by using EcoFlow Packing a big punch at a whopping 3600Wh (Expandable Supports up to two DELTA Pro Smart. A single DELTA Pro unit packs a 3600W AC output, which can be extended as much as 4500W with X-Boost era. First, you need to ensure the power level of this generator is not too low before taking It is capable of charging and discharging at the same time, but solar charging is affected a lot by bad weather. The generator has some serious specs but no one seems to be buying it. Here are some the reason why you need to consider selecting an Allpowers Portable Power Station: Allpowers presents quite a lot of portable power stations to cater to totally different needs. Wireless charging: for Qi-enabled smart devices . Details Your email address will not be published. Improper operation may cause product failure. Running an AC unit as part of a strain test, he finds. Please remove before charging.For best charging performance, your phone must always be placed on the right center of the charging. It is equipped with three charging modes Fast mode/Standard mode/Silent mode to meet the needs of different charging environments. 1 AllPowers to Luanch Monster Pro Solar Generator Vs EcoFlow Delta Pro ( self.vahid-vee) submitted 21 days ago by vahid-vee AllPowers Monster Pro Solar Generator is a heavy-Duty 4800Wh Portable Solar Home Battery Ecosystem. Power stations like the EcoFlow Delta Pro are also referred to as solar mills due to the fact they may be recharged the usage of sun panels. Vintage backup battery for your outdoor adventures, camping, road-trip, RV, and home use. The Professor critiques the new ALLPOWERS Monster Pro 4800wh LFP UPS sun generator electricity station with 3500w inverter, 2000w Solar / EV charging, and modular parallel ability up to 76kwh! Ambassador: HOBOTECH. Home ALLPOWERS ALLPOWERS Portable Solar Generator User Manual, ALLPOWERS Portable Solar Generator User Manual. No matter where you are at home during an unexpected outage, in your backyard, on a worksite, in the woods, or on a road trip, you can always count on S1500 as your reliable off-grid power source.