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Small rectangular lithium battery pack with flat silver finish and wire connector

Estry

Estry PLB-103 3.7V 650mAh standard battery

SKU CH-KH3V-7MF7B

Replacement lithium battery restores power to compatible Bang & Olufsen BeoPlay H7, H8, H9 and H9i headphones

  • TypeBatteries
  • Battery Pack1-pack
  • Battery TypeLithium
  • Battery Capacity650mAh
  • Battery Voltage3.7
  • Direct replacement for BeoPlay H9, H7, H9i, H8 headphones
  • 650 mAh lithium cell restores original playtime
  • 7 V 2.41 Wh matches factory specifications
  • Overcharge, over-discharge and short-circuit protection built in
  • ISO 9001, RoHS, CE, UN 38.3 and MSDS certified

Replacement battery for BeoPlay headphones

The Estry PLB-103 is a lithium-ion cell built to match the original specifications for Bang & Olufsen BeoPlay H7, H8, H9 and H9i models. It delivers 3.7V and 650mAh capacity in a single pack weighing 41.0g. The cell measures 39.8 x 35.5 x 6.0mm and carries ISO9001, RoHS, CE, UN38.3 and MSDS certifications.

Drop-in fit with built-in protection

The battery slots directly into the headphone cavity without soldering or adapter cables. Integrated circuitry guards against overcharge, over-discharge, over-voltage and short circuits. The 2.41Wh rating meets air-transport regulations for carry-on luggage. No charger is included; the headphones manage charging through their existing USB port.

Restores runtime for ageing originals

This unit replaces OEM part numbers 1973822, 56467 201 012 and PLB-103 when the factory cell no longer holds a charge. It is not suitable for headphones outside the listed BeoPlay series or for devices requiring a different voltage, capacity or physical footprint. Buyers needing higher capacity or a different form factor should look elsewhere.

Highlights

  • Direct replacement for BeoPlay H9, H7, H9i, H8 headphones
  • 650 mAh lithium cell restores original playtime
  • 7 V 2.41 Wh matches factory specifications
  • Overcharge, over-discharge and short-circuit protection built in
  • ISO 9001, RoHS, CE, UN 38.3 and MSDS certified

Specifications

TypeBatteries
Battery Pack1-pack
Battery TypeLithium
Battery Capacity650mAh
Battery Voltage3.7

Questions about this item

How long will the 650mAh capacity last under continuous playback before the voltage drops below 3.7V?

The pack is rated at 650mAh and 3.7V for 2.41Wh; actual run-time depends on the headphone's current draw.

Does the protection circuit add noticeable heat or noise during all-day use?

The built-in overcharge, over-discharge, over-voltage and short-circuit protection operates silently and adds no perceptible heat.

Which BeoPlay headphone models and part numbers must I already own for this PLB-103 to fit?

Compatible models are BeoPlay H9, H9i, H8, H7 and part numbers 1973822, 56467 201 012, PLB-103.

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