2 × 21700 DIY power bank kit
Build your own power.
A DIY enclosure kit for two 21700 cells, with a TFT color screen. Assembly requires soldering. Batteries are not included.
A kit for the way you build.
A power bank kit. A build of your own.
The enclosure, circuit board, and TFT screen form the kit. You supply two compatible 21700 cells and complete the soldered assembly.
21700. That's the format.
This kit uses two 21700 cells. Soldering is required; the snap-cover does not make it a quick-swap battery case. An 18650 model is planned for later.
The case, in focus.
Take a closer look at the enclosure. Our product visuals are styled from the actual case reference.
21700 DIY kit / US$69
Your next power bank starts here.
The 21700 DIY kit is listed at US$69. Ordering is not open yet. Review the soldering requirement and cell compatibility ahead of the first release.
PowerbankCase 21700 DIY Power Bank Kit
The product listing will confirm supported cells, included parts, and availability before ordering opens.
View the caseWhat is included in this kit?
The PowerbankCase 21700 DIY Power Bank Kit includes a case and PCB for two 21700 cells. Cells are not included. Confirm the complete accessory list before ordering.
Is it ready to use?
No. Soldering and assembly are required. The snap-fit cover does not make the cells hot-swappable, and this is not an insert-and-go power bank.
What is the price?
The listed kit price is US$69. Online checkout and payment collection are not currently available.
Which cells does the kit require?
The supplier specifies two 21700 cells, supplied separately. Confirm the exact supported cell models and manufacturer instructions before assembly.
What does the display show?
The supplier describes a TFT color display showing battery level, voltage, current and power. These details are supplier-reported, not an independent performance test.