HQRP Battery for Crestron MTX-3 TPMC-3X TPMC-3X-LP Isys 2.8" Handheld Wireless Touch Screen Remote w/infiNET EX TPMC-3X-BTP Prodigy PTX3 PTX-3 LPPCZRST1S1P 6502796 + HQRP Coaster HQRP&reg; Rechargeable Battery plus HQRP&reg; Coaster; Battery Voltage: 3.7V; Capacity: 1000 mAh; Li-Pol; 100% compatible with Original Battery; 200 Days warranty!