* voltage: the nominal voltage: 15.0 V or 30.0 V, discharge termination voltage: 10.0 V or 20.0 V;

* nominal capacity: 15 v mode: 20 ah (250 ma in 23 ℃ environment to discharge to 10 v), 30 v mode: 10 ah (under 23 ℃ environment in 250 to 20 ma discharge v);

* maximum discharge current: 2.0 A (in 30V mode), 4.0 A (in 15V mode);

* pulse current: 2.5 A (in 30V mode), 5.0 A (in 15V mode);

* weight: about 1400 grams;

* size: 127 * 111 * 62mm

* working temperature: - 40 to + 72 ℃;

* the storage temperature: - 40 + 55 ℃),

* case: high strength flame-retardant plastic case;

* connector: the 6 pin connector.