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Rectangular slim battery pack with flat grey finish and metal contacts

Cameron Sino M550 cell phone battery 1100mAh

SKU CH-GHEK-AET63 MPN M550

Replacement battery for Palm and Tungsten PDAs, 1100 mAh capacity, 3.7 V, with overcharge and short-circuit protection

  • Total capacity1,100 mAh
  • Product typeAaa
  • Product weight44
  • Replaces original batteries in multiple Palm models
  • 1100mAh capacity restores full runtime for daily use
  • 7V lithium cell matches factory voltage exactly
  • 06 × 33.02 × 5.32mm dimensions ensure a precise fit
  • Built-in protection guards against overcharge and short circuits

Compatible PDA Models

This replacement battery fits the M550, Tungsten T1, Tungsten T2, Tungsten T3, Zire 31, Zire 71, Zire 72 and Zire 72s. It is built to the original specifications with a fully decoded chip. The unit delivers a capacity of 1100mAh at 3.7 volts.

Pre-Installation Checks

Verify your device model number and the original battery part number against the supported list before ordering. Ensure the connector aligns correctly when fitting the battery into the compartment. Avoid using low-quality third-party chargers to protect the cell.

Thermals and Safety

Do not disassemble the battery or expose it to fire, water or temperatures above 60 degrees Celsius. The pack includes overcharge, over-discharge, over-voltage and short-circuit protection circuits. Expect optimal performance after two or three full charge and discharge cycles.

How it compares

Measured against everything we stock in Replacement Phone Batteries, at today’s prices. Recalculated every night.

Price $12.99
Cheaper than about 70% of the 868 comparable items (median $14.99).

Specifications

Product
Brand nameCameron Sino
Product line51.06 × 33.02 × 5.32 mm
Model nameM550, Tungsten T1, Tungsten T2, Tungsten T3, Zire 31, Zire 71, Zire 72, Zire 72s
Part numberGA1W918A2, GA1W922A2, IA1T923A0, IA1TA16A0, IA1W416A2, IA1W721H2, PBA80860US
Total capacity1,100 mAh
Product typeAaa

Questions about this item

Does the M550 battery package include any tools or adhesives, or do I need to buy them separately?

The package contains the 1100mAh battery with shock-absorbing foam for transit protection; installation tools and adhesives are not included.

How do I confirm that the 1100mAh M550 battery matches my device among the listed Tungsten and Zire models?

Compare your device model number and the original battery part number such as GA1W918A2 or PBA80860US to the compatibility list before purchasing.

What does the 1100mAh capacity at 3.7V mean for daily runtime in a Tungsten T3 or Zire 72?

It delivers the same energy rating as the original battery, providing comparable talk and standby time once the new cell completes two or three full charge cycles.

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