Sanyo 81377206 is an original Braun part number for a cylindrical rechargeable lithium-ion battery. The cell itself is a Sanyo (now Panasonic) UR18500Y, a standard 18500-size battery selected for its compact footprint, stable discharge curve, and dependable safety.
Key specifications of the UR18500Y / 81377206 battery:
- Chemistry: Lithium-ion
- Dimensions: 18500 (maximum diameter 18.5 mm, maximum height 49.6 mm)
- Nominal voltage: 3.7 V
- Rated capacity: 1300 mAh minimum, typical capacity 1400 mAh
- Weight: 32.9 g maximum
- Operating temperature: Charge 0–45 °C, discharge –20–60 °C
This part also replaces the former Braun part number 67030925.
It is widely used across a range of Braun personal care and grooming products. Compatible models include:
Shavers
- Series 7 / Pulsonic: 720, 720-3, 730, 760CC, 760-3CC, 765-3CC, 790CC, 790CC-3/4, 795CC-3, 5671, 5673, 5674, 5692, 5693, 5695, 5696, 5697, 9565, 9566, 9585
- Series 5 FlexMotionTec: 5748, 5749
- Series 9: 5793
Epilators
- Silk-épil 7 / Xpressive: 5377, 7181, 7281, 7381, 7481, 7681, 7781, and other related Series 7 model variants
Before replacing the battery, always verify the exact model number printed on the device or in the user manual, as some newer Braun appliances use different batteries.