Introducing the Spare Battery from Zebra, compatible with HS3100 barcode scanners. This high-quality battery has a capacity of 220 mAh and a voltage of 3.7V, ensuring long-lasting power for your device. Weighing just 0.05kg, this lightweight and durable battery is the perfect solution for keeping your HS3100 scanner running smoothly during long shifts. Don't let a dead battery slow you down - keep a spare Zebra battery on hand and stay productive all day long.