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Rectangular lithium-polymer battery pack, matte black finish, connector on one end

cameron sino Battery for BOSE SoundLink Flex 2600mAh 3.7V 9.62Wh PN 83289

SKU CH-4CAK-MPN0K

Replacement lithium-polymer battery for the BOSE SoundLink Flex, rated at 2600 mAh and 3.7 V

  • Battery typeLithium polymer
  • Battery capacity2,600 mAh
  • Battery voltage rating3.7 V
  • Product typeLithium polymer
  • Direct replacement for BOSE SoundLink Flex speaker
  • 2600 mAh capacity restores original runtime
  • 7 V lithium-polymer chemistry matches factory spec
  • ISO 9001 certified production ensures consistent quality
  • Built-in protection against overcharge and short circuit

Compatible Replacement Battery

The cameron sino battery is a direct replacement for the BOSE SoundLink Flex speaker using part number 83289. It is built for owners who need to restore original runtime to that specific model.

Lithium Polymer 2600mAh 3.7V

The single specification that decides fit is the 2600mAh capacity at 3.7 volts in a lithium polymer cell matching the 9.62Wh rating. A different capacity or voltage will not work in the SoundLink Flex.

Pre-Installed Protection Chip

The bundled fully decoded chip enables the battery to communicate with the speaker exactly like the original unit. Shock-absorbing foam in the packaging protects the cell during transit so it arrives ready for installation.

How it compares

Measured against everything we stock in Household Batteries & Chargers, at today’s prices. Recalculated every night.

Price $15.99
Pricier than about 70% of the 10,440 comparable items (median $10.99).

Specifications

Product
Brand nameCameron sino
Model nameBOSE SoundLink Flex
Part numberBOSE 83289 83289
Product typeLithium polymer
Power
Battery typeLithium polymer
Battery capacity2,600 mAh
Battery voltage rating3.7 V

Questions about this item

What does the 2600 mAh rating mean for real-world use in a SoundLink Flex?

The 2600 mAh capacity at 3.7 volts delivers 9.62 Wh, matching the original battery's energy rating so playback time should be comparable to when the speaker was new.

What connector standard does this replacement battery use?

It uses the same fully decoded chip and connector as the original BOSE 83289 pack, allowing direct plug-in without soldering or adapter cables.

Will this battery fit inside the SoundLink Flex enclosure without modification?

Yes, it is built to the exact specifications of the original battery for the SoundLink Flex, so it fits the existing compartment and mounting points.

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