... 5) Convenien,mulitifunctions lifepo4 charger and battery BatteryApplications:1)Power bank,and extranlty battery pack2)High drain devices equipment ... -overload3)Compose Type : Injection Technology to make battery more stable4)Certifications : CE,,FCC, RoHS,ISO90015 ... and reliable8) Factory price& High quality9) Good consistency, low self discharge10) Light weight, small size lifepo4 charger and battery ...