REDGO 5000mAh S8 Plus Battery Case (4pcs battery+charger) 3.7V 600mAh 25C Lipo Battery for X5C X5SW X5SC X5 Quantity:4 Rechargeable Battery + Battery Charger Dock (Can charge 4 batteries at one time) Type:Lipo 600mAh Lipo battery, pollution-free, long cycle life, and No memory effect Build-in integrated protection circuit:Dual IC chips, with anti-shortcircuit, overcharger, overcurrent, overload protection features