Rechargeable battery,Mixca&reg; Portable Power Bank 18650 External Backup Battery Charger With Key Chain for iPhone, iPad & Samsung Galaxy & More (White ) Compatible with: USB charging mobile phones and electronic devices. New rechargeable battery, no memory, more than 500 circle time Built with IC chip to protect your devices from short circuit, overcharge. Equip with strap, easy to carry Charger only, battery not included