The CH34X family comprises widely used USB‑to‑serial chips manufactured by WCH (WinChipHead), commonly integrated into generic UNO R3, ESP8266, and ESP32 development boards.
Overview
Lonely Binary LiPo Battery Charger with Adjustable Step-Up Booster
Power your projects with the Lonely Binary LiPo Battery Charger, designed for single-cell lithium batteries like the 18650. Featuring an adjustable step-up booster, this module allows you to boost the output voltage anywhere between 4.5V to 24V, making it ideal for various electronic applications.
The charger is equipped with a USB Type-C port for convenient charging and supports protected lithium batteries, ensuring safe and efficient use. Please ensure your battery comes with a protection board.
Key Features:
- Wide Input Voltage Range: 4.5-8V DC
- Adjustable Output Voltage: 4.2-27V DC, continuously adjustable
- Max DC Output Power: 7W (5V 1.4A / 9V 0.8A / 12V 0.6A)
- Charging Voltage: 4.2V DC, with a max charging current of 1A
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Documents
What’s in the Box
There are 3 pieces in the retail box.
The listing price is for
- 1 x LiPo Battery Charger with Adjustable Step Up Boost

LiPo Battery Charger with Adjustable Step Up Boost
$5.99
Tutorial
HC-05 Bluetooth Module and Arduino Beginner Tutorial
This is a basic example to get you start with HC-05 Bluetooth Module. Depending on your specific requirements and the functionality you want, you may need to expand and modify the sketch accordingly.
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