BP-157x : 7.2 volt 2000mAh rechargeable LONG LIFE Ni-MH battery pack for ICOM radios, such as IC-W21A, IC-W21E, IC-2GXAT, IC-V21AT, IC-M10A, IC-M10E, IC-F10, IC-F20, etc (worldwide versions). Battery pack is BLACK color. Replaces BP-157 and BP-131. Battery is approx. 2" tall. Provides more running time than the original battery, while physically remaining the same size. Has charging contacts on the back, so it can be re-charged with a desktop rapid charger (such as our EMS-79A, or similar ICOM-brand charger for NiMH batteries).