

Features:
#Elevate your power supply setup with our Battery Holder Case, a detachable DIY power source featuring PD, QC3.0, and USB-C fast charging—ideal for keeping your devices powered on the go.
#Equipped with a clear LCD display for real-time power monitoring, reverse polarity protection, and support for 3.7V flat-top 18650/18700/20700/21700 batteries, this unit combines convenience and safety. Soldering is required for setup.
#Perfect for tech enthusiasts, DIY hobbyists, and frequent travelers seeking a reliable high-capacity portable charging solution for phones, tablets, and other electronics.
Built-in 4 cables (Lightning, Micro-USB, Type-C three outputs, and USB input), 5V/2A.
USB Output: 5V/4.5A, 9V/2A, 12V/1.5A
Type-C Output: 5V/3A, 9V/2A, 12V/1.5A
Type-C Input: 5V/3A, 9V/2A, 12V/1.5A
Note:
1. Batteries are not included—please purchase separately.
2. Only supports flat-top, unprotected 4 cells 3.7V18650/18700/20700/21700 batteries.
3. Ensure correct polarity when inserting batteries.
Important notes:
When installing the batteries, ensure correct polarity. Incorrect installation may damage the circuit board.
When using 18650 batteries, secure them with double-sided tape to prevent movement, which may cause power interruption.
Activation notice:
The power bank needs to be charged once for activation before normal use, regardless of whether the batteries have remaining power.
Features:
#Elevate your power supply setup with our Battery Holder Case, a detachable DIY power source featuring PD, QC3.0, and USB-C fast charging—ideal for keeping your devices powered on the go.
#Equipped with a clear LCD display for real-time power monitoring, reverse polarity protection, and support for 3.7V flat-top 18650/18700/20700/21700 batteries, this unit combines convenience and safety. Soldering is required for setup.
#Perfect for tech enthusiasts, DIY hobbyists, and frequent travelers seeking a reliable high-capacity portable charging solution for phones, tablets, and other electronics.
Built-in 4 cables (Lightning, Micro-USB, Type-C three outputs, and USB input), 5V/2A.
USB Output: 5V/4.5A, 9V/2A, 12V/1.5A
Type-C Output: 5V/3A, 9V/2A, 12V/1.5A
Type-C Input: 5V/3A, 9V/2A, 12V/1.5A
Note:
1. Batteries are not included—please purchase separately.
2. Only supports flat-top, unprotected 4 cells 3.7V18650/18700/20700/21700 batteries.
3. Ensure correct polarity when inserting batteries.
Important notes:
When installing the batteries, ensure correct polarity. Incorrect installation may damage the circuit board.
When using 18650 batteries, secure them with double-sided tape to prevent movement, which may cause power interruption.
Activation notice:
The power bank needs to be charged once for activation before normal use, regardless of whether the batteries have remaining power.