Output Voltage: 7.4V Capacity: 6000mAh Compatible with Leica ATX1200, GPS1200, GRX1200, Piper100/200, RX1200, TC1200, TPS1200, RX900, ATX900, ATX1230, SR20, GS20, GPS900 All batteries are Certificated with ISO9001, RoHS, CE, UN38.3, and MSDS