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Black rectangular lithium-polymer battery 55 by 33 by 6 mm

Cameron & Co

Cameron & Co DS-CS-FE170SL standard battery 3.7V 1000mAh

SKU CH-A10G-18MQ8

Li-Polymer replacement battery for Fiio E17 and E7 amplifiers, 3.7V 1000mAh capacity

  • TypeBluetooth Headset
  • Direct replacement for Fiio E17 and E7 amplifiers
  • 1000 mAh lithium-polymer cell restores original runtime
  • Slim 6.10 mm profile fits the factory battery bay
  • 7 V output matches the device power specification
  • OEM-compatible part number 523455 ensures correct fit

Compatible replacement battery for Fiio E17 and E7

This 3.7V 1000mAh lithium-polymer cell replaces part number 523455 in Fiio E17 and E7 USB DAC headphone amplifiers. It restores portable power to the original runtime specification. The pack measures 55.00 x 33.40 x 6.10 mm and fits the internal battery compartment. Supplied as a single black unit in new condition.

Suits owners of Fiio E17

Users with other Fiio models or different amplifier brands should verify their part number before ordering. This battery does not fit devices that require a different voltage, capacity, or physical footprint. It is not a power bank and cannot charge external gear.

3.7V 1000mAh Li-Polymer chemistry

The nominal voltage and milliampere-hour rating must match the original specification for correct fuel-gauge reporting and safe charging. A different capacity or chemistry will cause inaccurate battery-level indication or charging errors. Confirm the 523455 part number on your existing cell before purchase.

Highlights

  • Direct replacement for Fiio E17 and E7 amplifiers
  • 1000 mAh lithium-polymer cell restores original runtime
  • Slim 6.10 mm profile fits the factory battery bay
  • 7 V output matches the device power specification
  • OEM-compatible part number 523455 ensures correct fit

Specifications

BrandCameron Sino
ModelDS-CS-FE170SL
TypeBluetooth Headset

Questions about this item

Which Fiio amplifier models does this 3.7 V 1000 mAh battery replace?

It is compatible with the Fiio E17 and E7 portable headphone amplifiers and matches the original 523455 part number.

Will the 55.00 mm × 33.40 mm × 6.10 mm dimensions fit the existing battery compartment?

Those are the exact measurements of the original cell, so it slides into the same space without modification.

How can I confirm the new cell is charging correctly after installation?

The amplifier should show its normal charging indicator and reach full capacity within the usual charge time.

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