We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Small rectangular black lithium-polymer battery 46 by 40 by 4 mm

Cameron & Co

Cameron & Co DS-CS-JBE500SL Battery 3.7V 570mAh

SKU CH-CSJH-21MJ2

Replacement Li-Polymer battery for JBL Synchros E50BT headphones, 3.7V 570mAh 2.11Wh, 46.00 x 40.20 x 4.24 mm

  • TypeHeadPhone Battery
  • Li-Polymer chemistry gives stable 3.7V output
  • 570mAh capacity powers longer listening sessions
  • 11Wh energy rating supports extended use
  • Slim 4.24mm profile fits inside JBL Synchros E50BT
  • Direct replacement for OEM part P433638

Cameron Sino DS-CS-JBE500SL Headphone Battery

The Cameron Sino DS-CS-JBE500SL is a lithium-polymer replacement battery built for the JBL Synchros E50BT wireless headset. It delivers a nominal 3.7 V and a rated capacity of 570 mAh, matching the original P433638 specification. The pack measures 46.00 x 40.20 x 4.24 mm and comes in a black housing.

Verify connector and dimensions before ordering

Confirm that the existing battery in your E50BT carries the part number P433638 and uses the same two-pin connector orientation. Check that the 46.00 x 40.20 x 4.24 mm footprint fits the internal compartment without forcing the casing. Ensure the replacement voltage of 3.7 V matches the original cell exactly.

Suitable for owners of a JBL Synchros E50BT

This unit suits users who can open the headset and solder or plug in a replacement pack. Buyers who want a higher capacity than 570 mAh, a different voltage, or a battery for any other headphone model should look elsewhere.

Highlights

  • Li-Polymer chemistry gives stable 3.7V output
  • 570mAh capacity powers longer listening sessions
  • 11Wh energy rating supports extended use
  • Slim 4.24mm profile fits inside JBL Synchros E50BT
  • Direct replacement for OEM part P433638

Specifications

BrandCameron Sino
ModelDS-CS-JBE500SL
TypeHeadPhone Battery

Questions about this item

What comes inside the package and does it include any tools or connectors?

The package contains one Cameron Sino DS-CS-JBE500SL lithium-polymer battery rated at 3.7 V and 570 mAh. No tools, screws or extra connectors are supplied.

Which capacity version matches the original JBL P433638 cell for the Synchros E50BT?

Choose the 570 mAh (0.57 Ah) version; it is the direct replacement specified for the JBL P433638 part used in the Synchros E50BT headset.

How does the 2.11 Wh rating translate into actual listening time once the battery is installed?

The 2.11 Wh capacity restores the original energy budget of the Synchros E50BT, delivering the same playback duration the headset provided when new.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.