Titan High Rate 4 Pack Replacement Batteries for Symbol 21-62606-01, BTRY-LS34IAB00-00, DS3478, LS3478, LS3578 Barcode Scanners 4 pieces of Titan OEM batteries for Symbol DS3478, LS3478, LS3578 barcode scanners 100% OEM compatible, guaranteed to meet or exceed original specifications Chemistry: Li-ion, Voltage: 3.7V, Capacity: 2500mAh Replaces Symbol battery models: 21-62606-01, BTRY-LS34IAB00-00 18 MONTH WARRANTY