This battery is an original for Motorola BX50 phone and is compatible with various models including Motorola RAZR, Motorola RAZR V9, and Motorola RAZR V8. The battery is made of lithium-ion material and has a capacity of 750 mAh with a voltage of 3.7 v. It features a 4-pin connectivity and is an internal type battery. This battery is an OEM product and is manufactured in China. It comes in black color and is a unit of quantity one. The California Prop 65 Warning applies to this battery, so be sure to read the warning before purchasing. This battery is a great replacement for your Motorola phone and will ensure that your device stays powered for longer periods of time.