2PACK BATTERIES - 18 MONTH WARRANTYHIGH QUALITY PLASTICS AND CELLSSymbol 21-62606-01 Replacement Scanner Battery By TankBattery 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, 2500mAh, Li-Ion chemistry Battery case is 100% polycarbonate plastic and is ultrasonically sealed for maximum strength