9vUSB Rechargeable Multimeter Intercom Lithium Battery $ 6.85 Product information: Product Name:9v usb rechargeable lithium battery Charging method: 5v charger Battery life:1200 times Capacity:650mAh Charging indicator: charging red light full blue light Weight: 27g Voltage: 9v Battery temperature: -20C-60 Specifications: 9v lithium battery 1 section pack, 9v lithium battery 2 sections pack Packing list: 9v usb rechargeable lithium battery x1