Hitech - 1050192-002 / WA3010 Replacement Battery for Psion Teklogix 7527C-G, Workaboout PRO / NEO Barcode Scanners (Li-Ion, 4400mAh) Battery pack is in-stock and ready to ship, just came in from Taiwan, ensuring freshness and quality Pre-charged and -tested, 100% OEM compatible High-quality cells: 3.7V battery, 4400mAh, Li-Ion chemistry Battery case is 100% polycarbonate plastic and is ultrasonically sealed for maximum strength 1 year manufacturer limited warranty. See product description for details