Replacement Power Adapter — PartNo.: 81719643 Function: AC to DC power adapter for B*aun electric shavers. Converts household AC to a stable 12V DC output to power and charge compatible shavers. Electrical specifications: Input 100240V AC, 5060Hz, 7W. Output 12V DC, 400mA. Exact PartNo.: 81719643. Key benefits — why you need it Restores performance: Replaces a lost, damaged, or failing adapter so your shaver charges and operates reliably. Safe and stable power: Delivers a steady 12V DC at 400mA to match the original adapter requirements and protect shaver electronics. Wide input range for convenience: Supports 100–240V and 50–60Hz mains, suitable for use in locations with different standard voltages. Compatibility Compatible Type numbers: 5544, 5730, 5733, 5676, 5729, 5742, 5743, 5762, 5748, 5749, 5768, 5769, 5764, 5795, 5790, 5791, 5793. Compatible Models: for B*aun Electric Shavers from Series 1, Series 3, Series 5, Series 6, Series 7, Series 8, and Series 9. What makes this adapter stand out Exact replacement: Matches the listed PartNo. and Type numbers to ensure correct fit and electrical match. Reliable power delivery: 12V DC at 400mA provides the required current without overloading the shaver. Broad input compatibility: Operates across common household voltages and frequencies. Practical use scenarios 1) Home replacement: Swap in this adapter when the original is lost or broken to restore full shaver functionality at home. 2) Travel or office spare: Keep as a spare adapter in a suitcase or at work for uninterrupted grooming while away from your primary charger. 3) Backup for shared households: Use as an extra adapter for households with multiple bathrooms or family members sharing one shaver. Important note Please doublecheck the product pictures and this description to confirm compatibility with your shaver before ordering.