3400mAh Li‑Ion Replacement Battery for Zebra Mobile Printers — Compatible with ZQ520 ZQ620, QLN320 QLN220 QLN220HC QLN320HC, ZQ500 ZQ510 ZQ521 ZQ511 ZQ52, ZR628 ZR638 ZQ610 ZR658 ZR668

High-capacity 3400mAh Lithium Ion replacement battery designed for Zebra mobile printers. This battery is a direct swap for the original Zebra units and is suitable for models including QLN320, QLN220, QLN220HC, QLN320HC, ZQ500, ZQ510, ZQ520, ZQ521, ZR628, ZR638, ZQ610, ZR658, ZR668, ZQ620, ZQ511 and ZQ52. ZQ520-related part numbers covered: P1051378, P1089503-003, P1023901, P1031365-021, P1031365-025, P103165-059, P1031365-069, P103165-101. Built without a memory effect, this battery maintains capacity through charge cycles and includes integrated safety protections against over-charging, over-discharging, overheating, over-current and short-circuit conditions. To maximize lifespan and performance, charge and activate the new battery upon receipt.