DIY 8x18650 Power Bank Case – Dual USB & Type-C/Micro Input External Battery Box Enclosure (Batteries Not Included)

Build your own customized high-capacity external charger with this DIY 8x18650 Power Bank Case. Designed for gadget enthusiasts, outdoorsmen, and frequent travelers, this DIY shell allows you to create a high-capacity portable power station using 8 flat-top 18650 lithium-ion batteries.

Dual Inputs & Multi-Port Outputs

Equipped with both USB-C and Micro USB input ports, this power bank enclosure allows you to recharge the box using whatever cable you have on hand. The dual USB-A output ports allow you to power multiple devices at once, making it an ideal portable power hub for smartphones, tablets, handheld game consoles, and wireless headphones.

Solder-Free DIY Assembly

Building your personalized power pack is quick and beginner-friendly. The shell features a tool-less, weld-free snap-in setup. Simply insert eight flat-top 18650 battery cells following the correct polarity, close the casing, and your high-capacity power bank is ready to use. Because the case easily opens, you can swap out worn-out cells anytime without needing to replace the entire charger.

Digital LED Power Display

Never guess how much power you have left. The integrated digital LCD screen displays real-time battery status and charging progress. You'll always know the exact capacity remaining so you can plan your charges efficiently before heading outdoors.

Smart Safety & Protection Circuitry

Safety is top priority when handling rechargeable lithium batteries. The mainboard incorporates multi-level circuit protection, guarding against over-charging, over-discharging, short circuits, and reverse battery placement.

Key Features & Specs:

• Battery Capacity Support: Fits 8x flat-top 18650 rechargeable Li-ion batteries.

• Input Interfaces: 1x Type-C, 1x Micro USB.

• Output Interfaces: Dual USB-A ports.

• Display: Intelligent LED/LCD screen for real-time power level monitoring.

• Assembly: Solderless, tool-free snap closure.

Note: This item is an empty DIY battery enclosure kit only. 18650 batteries are NOT included and must be provided separately.