Battery Type: Li-ion Polymer battery Capacity: 800mAh Nominal Voltage: 3.7V Pack Dimension: 4.5 x 32.5 x 50.0mm Weight: 20g Working Temperature: Less than 60℃(140℉) Compatible Models: * Pro 70 Trashbreaker * Pro 550 Trashbreaker * Pro Trashbreaker * Pro 70 Receiver * Pro 550 Receiver * PT 10 * TB 10 * 010-11925-10 * Pro 70 dog training * Pro 550 dog training