high energy density. no heavy metals, no pollution, long cycle life of 5000 times. there is no memory effect, and the consistency of capacity, resistance, voltage and platform time is good. oem&odm manufacturer with various designs. reliable quality, competitive price, fast delivery, excellent service. solid package, stable shipment, 100% testing and inspection before shippings to ensure the quality. meets ce, rohs, un38.3, msds etc certification standard. solar batteries lifepo4 material battery is safe than licoo2 and limn2o4 for it's stable structure can be kept very well under continuous charging and discharging situations deep cycle 5000 time life, more light, more enviroment.deep cycle life 5000 times, 90%dod.syi