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Battery Generators
Battery Generators for Quiet, Fuel-Free Backup Power
A battery generator stores electricity in a lithium pack and delivers it through an inverter, so there is no gas to buy, no exhaust to vent, and no pull cord to wrestle with in a storm. Many units in this collection use LiFePO4 chemistry, which Anker SOLIX says delivers roughly 3,000 to 4,000 charge cycles to 80 percent capacity, compared with 500 to 1,000 for NMC lithium-ion and 300 to 500 for lead-acid. That long life makes a battery generator a smart choice for outage prep, camping, RV trips, and job sites. Browse EcoFlow, Anker SOLIX, Jackery, Bluetti, Nature's Generator, Lion Energy, and Rich Solar systems in one place.
Generator With Battery Options in Every Size
A generator with battery storage can be as small as a lunchbox or as big as a garage wall. The EcoFlow RIVER 2 Max, RIVER 3 Plus, Anker SOLIX C800 Plus, and Jackery Explorer 500 handle phones, lights, and a router. Step up to the EcoFlow DELTA 3, DELTA 3 Max, Anker SOLIX F1500, F2600, and C2000 Gen 2, or Jackery 1500 V2 and 2000 V2 for a refrigerator and small appliances. The EcoFlow DELTA Pro adds 3,600Wh of storage, and the Jackery Explorer 5000 Plus reaches 5,040Wh with 7,200W of output for whole-home coverage.
Batteries for Generators: Expansion and Solar Recharging
The right batteries for generators let you add runtime later instead of buying a bigger unit. Anker offers the BP3800 and 760 expansion batteries for the F3800 Plus and F2600, plus an E10 Smart Extra Battery, while Nature's Generator sells Lithium 6000 power pods and Bluetti pairs the AC300 with B300 extra batteries. Solar bundles from 100W to 1,600W recharge these systems from the sun, so a long outage does not drain you. A few kits also pair a battery with a gas Smart Generator for backup recharging, and that fuel unit always runs outside.
Whole-Home Battery Generator Systems and Off-Grid Kits
For permanent backup, the Anker SOLIX E10 system scales from 6kWh to 90kWh, and the EcoFlow DELTA Pro Ultra X and DELTA Pro X2 grow with additional batteries and Smart Home Panels. Nature's Generator MyGrid 10K and Powerhouse Gen 2 include transfer switch options, and the Lion Energy Sanctuary 2 stores up to 57.2kWh. Cabin owners can look at the Rich Solar 6000W and 8000W kits, and EcoFlow Power Kits come in 2kWh, 10kWh, and 15kWh configurations. We ship free across the continental USA, and our USA-based experts can match a system to your appliances.
Frequently Asked Questions
Is a battery generator the same as a replacement battery for my gas generator?
No. A starter battery is a small 12V battery that cranks the engine of an electric-start gas generator, and you replace it with a battery that matches your generator's make and model. The products in this collection are complete power stations that store and deliver electricity on their own, without an engine. If your gas generator will not start, check the manufacturer's parts list for the correct starter battery.
How long does it take to recharge a battery generator?
Recharge time equals the battery's capacity divided by the charging power, so a 2,000Wh unit that accepts 1,000W from the wall fills in roughly two hours, while 400W of solar takes longer and depends on sunshine. Many models accept power from a wall outlet, solar panels, a car, and sometimes a fuel generator at the same time, which shortens the wait. Check the maximum input rating on each product page.
Can I use one in freezing or very hot weather?
Lithium batteries work best between roughly 32 and 100 degrees Fahrenheit, and many models limit or pause charging below freezing to protect the cells. Keep the unit in a sheltered space during cold snaps and out of direct sun or a hot car in summer. Each manufacturer lists its operating and charging temperature ranges in the manual.
How should I store a battery generator between uses?
Store it in a cool, dry place with a charge level of roughly 50 to 80 percent, and top it off every few months so the cells never sit empty. Run it under a light load occasionally to confirm everything works, and update the app firmware when your model supports it. Following the manual's storage guidance helps preserve capacity for years.
Can I get one delivered before a storm arrives?
Orders ship fast, but overnight shipping is not available for generators, so order as soon as a storm shows up in the forecast. Demand climbs during hurricane season, and ordering early leaves time to charge the unit fully and test it before the weather arrives.
