... ,up to 2000 times Smaller and lighter No memory effect Rechargeable lifepo4 battery 26650 can be used ... 2000 cycles, while Sealed Lead Acid batteries only 750 cycles and NiMh batteries only 500 cycles)3. SafetyThe safest battery ... 60°C7. Back fast charge, good consistence, no memory effect, can equip battery charger.Can be recharged anytime, ... of you! lithium ion phosphate storage batteries 3.2V 20AH