... . 1/3 weight of SLA, 65% weight of NIMH.5. Great capacity and more powerful, rechargeable batteryHigh discharge current, ... thermal stability: - 20°C to 60°C7. Back fast charge, good consistence, no memory effect, can equip battery charger.Can ... produce lifepo4 battery cells but also solar contoller,any questions,pls contact with us. Solar system lithium battery pack 12v 40ah with solar controller