<ul><li>Fully Compatible with ZQ620HC ZQ510 ZQ520 QLn220HC QLN320 ZR628 QLn320HC ZQ620 ZQ610HC ZR638 ZQ521</li><li>Battery Specifications : 3400mAh, 7.4V, 25.16Wh</li><li>Li-ion Type Battery. 500 times of impulse discharge</li><li>Certificated with ISO9001, RoHS, CE, UN38.3, and MSDS</li><li>Full Refund or a Free Replacement without Reason for 60 Days</li></ul><br><br>

Zenander 7.4V P1031365-059 P1031365-025 BTRY-MPP-34MAHC1-01 P1051378 P1023901-LF AT16004 P1023901 Battery Replacement for ZQ620HC ZQ510 ZQ520 QLn220HC QLN320 ZR628 QLn320HC ZQ620 ZQ610HC ZR638 ZQ521