The MicroBattery BP-HP550 rechargeable battery powers Sony headphones and uses Ni-MH (nickel-metal hydride) technology. It consists of two cells.
- Type: Headphone battery
- Technology: Ni-MH (nickel-metal hydride)
- Capacity: 700 mAh
- Energy: 1.7 Wh
- Voltage: 2.4 V
- Compatibility: Sony, 175674721, 175674722, BP-HP550, BP-HP550-11, 988521612
- Dimensions: 7 cm wide, 4.7 cm deep, 1.5 cm high
- Colour: Black
- Weight: 0.03 kg
- Quantity: 1