DIY Battery Charger Box for 8×18650 Power Bank Battery Box Dual USB for 18650 Battery Charger Case for MP3 Power Bank Case

DIY Battery Charger Box for 8×18650 Power Bank Box Dual USB for 18650 Battery Charger Case for iPhon Xiaomi MP3 Power Bank Case Features: New fast dual output intelligent input control system, can put 8 18650 battery LCD digital display Two-hand electric light (double-click switch on) Battery type: 1865O battery (flat, not flashlight-specific 18650 battery) Reminder: Please install according to the positive and negative poles of the battery.lhe negative pole of the battery IS connected to the spring;the positive pole of the battery is connected to the metal shrapnel;do not put the reverse battery, and there is no second chance.The reverse will inevitably damage the motherboard. Please note Weight: 122g Input: 5V-2A Output: USB 5VIA, 5V2A Size: 170 * 76 * 22 (mm) Package Included: 1pcs Power Bank Shell (No Battery)