I found a battery on Amazon that works for this application and fits in the case. The one I ordered was called “smavco Bundle SRP603443 Battery for ASTRO A50 Plus Micro USB Cable, 800mAh”. It will not have as much battery run-time as the original 1200 mAh, but it is the correct voltage and physical size, and is the only one I have found that comes close. The last 4 digits tells you the physical size of the battery, 34mm x 43mm in this case. The original was 39mm x 38mm, so this one is really close to the same physical size. If the battery is much longer than the original it won’t fit, so be careful if you order a different battery. Also, the Jabra Cruiser 2 will NOT work with the battery removed, so you can’t just pull the battery and use it plugged in.
Also, in step 6, if you look closely at the picture you will see that the author has all but ruined the device by prying from the wrong side, and has pulled the board connector off the board. Pry GENTLY from the front where it connects to the other board so the connector disconnects instead of prying it off the board and having to resolder it.
Original Battery Specifications
Rechargeable Lithium-ion Polymer cell AHB723938
Typical Capacity 1200mAh at 0.2C mA Discharge
Charging Voltage 4.2 V
Typical Voltage 3.8 V
Charging Method Constant Current/Constant Voltage (CC/CV)
Cut-off Discharge Voltage 3.0V
Max. Discharge Current 2.0C mA
Max. Charge Current 1.0C mA
Cycle Life > 300 cycles at 0.5C mA Charge/Discharge
Operating Temperature for Standard Charge 0℃ to 45℃
Operating Temperature for Discharge -20℃ to 60℃
Storage Temperature -20℃ to 60℃
Energy Density Volumetric Energy Density (Wh/L) 427
Energy Density Gravimetric Energy Density (Wh/Kg) 182
Weight of Bare Cell Approx. 25.0g
Initial Internal Impedance < 81mΩ
Measures approx 35mm x 37mm
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