18650 battery 7.4V 2600mAh November 15, 2018/by administrator https://fconegy.cn/wp-content/uploads/2018/09/logo_1.png 0 0 administrator https://fconegy.cn/wp-content/uploads/2018/09/logo_1.png administrator2018-11-15 09:41:162018-11-15 09:41:1618650 battery 7.4V 2600mAh