Cameron sino 1100mAh Li-ion Battery IA1TA16A0 IA1W721H2 Replacement for Palm M550 Tungsten T1 T2 T3 Zire 31 71 72 72S Handheld PDA with Tools Kit .Cameron Sino offers premium quality batteries and chargers at an affordable price. Our products are CE and RoHS certified .We offer a wide range of products Additional Details ------------------------------ Product description: 1.All Batteries are CE certified. 2.Battery Specification Capacity: 1100mAh, Battery type: Li-ion, Voltage: 3.7V Dimension: 52.30 x 34.10 x 5.55mm 3.Compatibility: Palm M550, TUNGSTEN T1, TUNGSTEN T2, TUNGSTEN T3, Zire 31, Zire 71, Zire 72, Zire 72s 4.Part No.:IA1TA16A0, IA1W721H2, IA1T923A0, GA1W918A2, IA1W416A2,PBA80860US,GA1W922A2