Modular power bank parts and kits
Build your order from separate parts or choose a kit. Each green or gray charging module uses one replaceable 21700 cell, with a rotating USB-C / Lightning connector and four battery indicators. Check product listings for prices, total cell counts, package contents, and current checkout availability.
Modular sets · 21700PowerbankCase Modular Power Bank Kits
Choose a kit with a charging module, replaceable cells and an optional four-slot charging case.
$49 - $129In stock
PowerbankCase 21700 Cells
One nominal 5,000mAh 21700 cell or a pack of four.
$12 - $39In stock
PowerbankCase Charging Module
Choose a green or gray charging module. A 21700 cell is required and sold separately.
$39In stock
PowerbankCase Four-Slot Charging Case
A separate four-slot charging case. Cells and charging modules are sold separately.
$39In stock