The like-new batteries were purchased by customers who mistakenly bought the wrong capacity or incompatible batteries for their applications. We assure you that our batteries are thoroughly checked and tested before delivery ( only a few have minor scratches on the surface). Our like-new batteries come with a 5-year warranty, while our used-very good batteries have a 5-year warranty.

【Wide Application】suitable for marine, RVs, home storage, UPS power, backup power, off-grid and trolling motor for 30~70lb.

【Latest Built-in 200A BMS】provides 100% protection against overcharging, over-discharging, over-current, overheating and short circuits 
Automatic Overload Protection & Recovery-No User Intervention Required

【Triple Protection】protect against dust, water and salt spray

【Low-Temperature Cut-Off Protection】cuts charging＜ 0°C/32°F, cuts discharging＜ -20°C/-4°F, to prevent damages from charging/discharging in cold weather.

【EV Grade-A LiFePO4 battery cells】4000+ cycles at 100%DOD, and are green and non-toxic.

【Larger Flow Capacity】a Max. 200A continuous charge/discharge can support high-Power equipment and Max 1C charging

【Plus Runtime with 3584Wh Energy】3584Wh Energy & Max. 2560W Load Power can run 1kWh demands for nearly 3.5hrs

【6X Cost-effectiveness】$0.21 per deep cycle to save $1.21 per use than lead-acid batteries, and no regular maintenance fee.

【Longer Lifespan】10+years lifespan & 3% self-discharging rate per month (lead-acid battery monthly self-discharge rate is 5-15%)

【6X Energy Density】60.7Wh/lbs, 6X the energy density and 55% lighter than a 12V 200Ah lead-acid battery.

【Max 57.344kWh Energy Expansion】Max 4P4S to build a 51.2V 1120Ah battery system.

【Flexible 3 Recharging Ways】LiFePO4 charger/Solar/Generator

【Best Service】fast delivery, 24-hour response & 5-year warranty