This compact Fast Charge 21×18650 Case is a versatile battery box designed to convert 21 standard 18650 cells into a portable power bank. It supports Quick Charge 3.0 and PD protocols for faster wired charging, and includes wireless charging capability for compatible phones. The durable enclosure organizes and protects cells while providing multiple output options for on-the-go convenience.
Designed for DIY power bank builders and users who need flexible charging solutions, the case offers straightforward installation and reliable connectivity. Its compact design makes it easy to carry in a bag or toolbox, while built-in protection features help manage charging and discharging safely.
Bullet highlights:
– Supports Quick Charge 3.0 and PD wired charging
– Wireless charging for compatible devices
– Fits 21 x 18650 batteries (batteries sold separately)
– Protective, compact enclosure suitable for DIY builds
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