DIY Power Bank 10 Slots 18650 Battery Holder Battery Box Micro Type C Dual USB Ports Mobile Phone Charger 18650 Powerbank Case

Good luck with your favorite purchasesThis product does not contain batteries. Specification 1.New fast dual output intelligent input control system, can put 8* 18650 battery 2.LCD digital display 3.Two-hand electric light (double-click switch on) 4.Battery type: 18650 flat battery (flat, not flashlight-specific 18650 battery) Feature Size:172*80*23mm Maximum Power: 5V-2.1A Package included 1x 18650 Power Bank Case(Batteries not included) Precautions 1. The battery cannot be used if its outer skin is damaged. 2. Pointed batteries cannot be used, only flat batteries can be used. 3.the voltage is in line with 3.2V-4.2V 4. The positive and negative poles need to be placed and used correctly. 5. Do not use or store in a high temperature environment.