Welcome to lightoverflow.
Features:
New fast dual output intelligent input control system, it can put 8*18650 battery
LCD digital display
Battery type: 18650 battery (flat, not flashlight-specific 18650 battery)
Reminder:
Please install according to the positive and negative poles of the battery. The 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.
Package Included:
1pcs Power Bank Shell (No Battery)