16-Cell 18650 Power Bank Case – USB-C PD 22.5W + 15W Qi Wireless, LCD (DIY Shell or Complete Pack)

Build it yourself or get it ready to use. This 16-cell (1S16P) 18650 power bank platform delivers modern charging—USB-C PD 22.5W, 15W Qi wireless, and an LCD status display.

Why you’ll like it

• High capacity platform: holds 16x 18650 cells (1S parallel pack). With 16×2500mAh cells ≈ ~40,000mAh / 148Wh at 3.7V.
• Fast I/O: USB-C PD up to 22.5W + Qi wireless up to 15W (wired for phones, tablets, and small devices).
• LCD screen: live percentage readout.
• Built-in protections: charge/discharge, over-current, and short-circuit protections on the control board.

Choose your version

• DIY Shell (No Cells): Case + integrated control/charging board + hardware. Add your own matched 18650 cells.
• Complete Pack (With Cells): Professionally assembled with 16× Samsung 25R 2500mAh cells (~40,000mAh). Spot-welded, balanced, and tested by RenewSpark.

Notes & safety

• For DIY builds, use identical cells only (same brand/capacity/state of health). Do not mix old & new cells.
• Capacity is quoted at 3.7V nominal. Real-world results vary by cells and load.
• Travel: Packs over 100Wh may not be airline carry-on friendly; check your airline rules.
• Ports and cosmetics may vary slightly by batch—see photos.

30-day money-back guarantee from RenewSpark.