Dont be stranded with a drained powerbank or forgotten charge cord; ECOXGEARs EcoBoost will always be charged and ready to recharge your depleted smartphone. The primary battery used is guaranteed to stay charged for over 10 years and has an integrated charge connector. Put one in your car, your purse, your emergency kit, and your travel gear. IP67 Certified dustproof & waterproof Retains full charge for over 10 years 1,500-mAh capacity primary lithium CR123 battery Integrated connectorwiththree versions: Lightning/micro USB/USB-C Replaceable battery (use any CR123)