Fit to the device models:Palm M550, Tungsten T1, Tungsten T2, Tungsten T3, Zire 31, Zire 71, Zire 72, Zire 72s. Compatible with the battery part numbers:GA1W918A2, GA1W922A2, IA1T923A0, IA1TA16A0, IA1W416A2, IA1W721H2, PBA80860US.
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