... to 8800mAh , 18650 Li-ion Battery Packs Designed and manufactured by Li-ion battery experts , the battery packs and modules ... :Specification:1Use high quality Seiko PCM2Use high end battery cells imported from Japan and Korea3Customize4Low self discharge rate5long ... , electric saw, electric hammer.4) Illuminate devices: solar battery, miner lamp, solar street lamp, emergency light, electrictorch. ...