Wasabi Power Battery for Sharp AD-S30BT, AD-S31BT, AD-S31BTX, AD-T50BT, AD-T51BT, MD-MS301, MD-MS701, MD-MS702, MD-MS722, MD-MSH(S)2, MD-MSH2, MD-MSHS2, MD-MT66, MD-MT821, MD-MT831, MI-C1 PDA, MI-E1 PDA, MI-L1 PDA Ultra High 1000mAh Lithium-Ion power rating. 3.6V Can be charged with the original Sharp charger. CE Safety Certification. UL Listed. Meets (or exceeds) OEM standards. Includes battery with 3-year anufacturer battery