Replacement battery pack that is 100% compatible with the Zebra QLn320 (HC), QLn220 (HC), ZQ500, ZQ510, ZQ520, ZQ610, and ZQ620 mobile printers and battery chargers. The 3180 mAh battery pack is rated 36% higher than original Zebra 2330 mAh batteries, which translates to longer cycle life and overall battery life. Battery is UL Listed for UL 2054 using performance grade power cells from Japan that are proven to deliver maximum battery run time and total cycle life.