Soshine 9V Lithium ion USB Battery - 6F22 Rechargeable Li-ion Polymer Battery with Micro USB Charging Port 2 Pack

Specifications: Battery Type:9V/6F22 rechargeable  Chemistry: Li-po  Capacity: 500mAh Minimumcapacity:500mAh Normal Voltage:7.4v Charging current by charger : 1A (recommended) Charging currentby on-board USB port : 1A Warranty: 12months   Battery Size(LxW x H ): 48.5x 26.4 x 15.4mm/1.9 x 1 x 0.61inch Battery Weight:27g(1PC), 54g(2PCS) 2 x Battery with Package Weight: 65g   Includes: - 2 x direct USB rechargeable 9V rechargeable Li-ion battery  - 1 x  battery case - 1 x Micro USB cable.