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Free Welding Digital Mobile Power Bank DIY Kits 8*18650 Battery Box Case + 5V 1A 2A Charging Circuit Board Charger Module

৳ 390.00

SKU: 32960351706 Category:



A DIY box, NOT a power bank, needs 1pc flat 18650 rechargeable battery (Not included)
Note: Do not inlcude the battery
Mold: plastic, 1 ~ 8 18650, flat head batteries
Color: white, black, blue,
Dual input: 5V-2A, micre , Type-c
Dual output: 5V-1A, 5V-2A
Synchronous rectifier booster plate: the reasons for non-welding of the battery, will be more loss, the conversion rate of about 75%
Power display: digital display power, Coulomb calculation, after the battery, need to charge, discharge completely cycle twice learning power
Dimensions: 161 * 81 * 22mm thick
Additional features: LED flashlight (double-click the key to open / close)

Technical Parameters:

1, power supply designed overcharge, over discharge, USB output short circuit protection circuit.
2, intelligent sleep, when no load or load current is less than 0.3A, 25 seconds after the automatic sleep.
3, intelligent output, automatic wake-up function, plug and play, the device is fully charged, the automatic stop charging to prevent overshoot.

1.Transition: 1cm=10mm=0.39inch
2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.
3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package includes:

1 X DIY 18650 Power Bank Box

1x one circuit board(battery and USB cable are not included) (No retail package)


This is a power bank kit (including circuit board and shell), not a finished product. You should buy 18650 li-ion batteries and install them by yourself. The cable is not included either.

Additional information

Brand Name


Input Interface

Micro USB

Quality Certification


Battery Capacity


Output Interface

Double USB

Battery Type

18650 Lithium Battery

Supports Solar Energy



Emergency / Portable




161 * 81 * 22mm

Support Quick Charge Technology


Is LED Lamp Illumination



No battery included


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