A replacement battery for Bang & Olufsen headphones designed to restore original power and fit, presented as Techtek Battery. Owners seeking a straightforward swap-in will value the match to original part numbers and the familiar black finish. Is fitting a compatible third-party cell the best way to revive ageing headphones or is manufacturer servicing preferable?
⚡ At a Glance
- • Capacity and Voltage: 650mAh at 3.7V
- • Best for: Users needing a direct battery replacement for listed BeoPlay models
- • Not ideal for: Owners who require official manufacturer servicing or warranty support
650mAh capacity at 3.7V, Li-ion chemistry. Compatible with BeoPlay H7, H8, H9 and H9i and replaces part numbers 1973822, 56467 201 012 and PLB-103.
Restore usable runtime – with 650mAh capacity at 3.7V
Capacity, measured in milliamp hours, indicates the total charge the cell can store, while voltage denotes the nominal electrical potential. Matching both values helps ensure electrical compatibility with the original headphone circuitry.
Replacing an aged cell with a matching 650mAh, 3.7V unit restores the headphones' expected operating behaviour without altering power delivery.
Direct fit for specific BeoPlay models – thanks to matching part numbers
Listed replacement references correspond to original manufacturer part numbers and form factors, which guides physical and electrical compatibility. Correct part references reduce the risk of mismatched connectors or poor contact.
Selecting a battery that lists the original part numbers simplifies installation and lowers the chance of fitment issues when swapping cells in the specified BeoPlay models.
Reliable recharge cycles – with Li-ion cell construction
Lithium-ion chemistry stores energy at a high density and supports repeated charge and discharge cycles when charged with compatible chargers. Proper cell chemistry alignment prevents overvoltage and maintains stable performance.
Choosing a Li-ion replacement maintains consistent recharge behaviour and dependable day-to-day performance typical of the original headphone battery type.
✨ The 4 Key Reasons for Techtek Battery
- Compatible with BeoPlay H7, H8, H9, H9i – Ensures exact fit and electrical compatibility with listed models
- Replaces part numbers 1973822, 56467 201 012, PLB-103 – Matches original references for straightforward replacement and compatibility
- Black finish – Maintains original appearance and discreet visual match to headphones
- Direct replacement design – Allows swap-in replacement aligned with original battery connections
📋 Technical Details at a Glance
- Category: Electronics replacement battery
- Brand: Techtek
- Capacity: 650mAh
- Voltage: 3.7V
- Chemistry: Li-ion
❓ Frequently Asked Questions
Q: Is this battery compatible with BeoPlay H7, H8, H9 and H9i?
A: Yes, compatibility with BeoPlay H7, H8, H9 and H9i is listed in the product information.
Q: What are the electrical specifications of the battery?
A: The cell is specified as 650mAh capacity with a nominal voltage of 3.7V and uses Li-ion chemistry.
Q: Does this battery replace specific manufacturer part numbers?
A: Yes, the battery lists replacement references 1973822, 56467 201 012 and PLB-103, indicating intended interchangeability with those parts.
🏆 Our Verdict
Suitable for owners of listed BeoPlay headphones who want a like-for-like battery replacement. Matching part numbers, 3.7V nominal voltage and Li-ion chemistry are the key selling points. As a straightforward swap-in solution, the unit offers practical long-term value for those preferring battery replacement over full manufacturer servicing.
