Compatible With: QLN220, QLn220HC, QLN320, QLn320HC, ZQ500, ZQ510, ZQ520, ZQ521, ZQ610, ZQ610HC, ZQ620, ZQ620HC, ZR628, ZR638 ^^
Specification: Voltage 7.4V, Capacity: 2200mAh/ 16.28W h, Size: 73.24 x 55.80 x 24.73 mm, Weight: 127.0 g ^^
Battery Part Number: AT16004, BTRY-MPP-34MA1-01, BTRY-MPP-34MAHC1-01, P1023901, P1023901-LF, P1031365-025, P1031365-059, P1031365-069, P1051378 ^^ No memory effect, overcharge, overdischarge, overheating, overcurrent, short circuit protection ^^ Please double confirm the compatible model and original battery part number before you purchase it