The Dual USB 18650 Battery Charging Circuit Board is a versatile and essential component for DIY mobile power projects. It features dual USB outputs of 5V 1A and 2.1A, ensuring efficient and stable charging for various devices.
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The Dual USB 18650 Battery Charging Circuit Board is designed to meet the needs of DIY enthusiasts. This mobile power module includes a circuit board shell for 18650 batteries and offers dual USB outputs, providing stable voltage and current to safely charge your devices. The intelligent digital display indicates charging status, making it easy to monitor battery levels.
This circuit board is perfect for creating custom mobile power banks. It is ideal for DIY projects where you need to charge multiple devices simultaneously. Its built-in protection functions ensure the safety and longevity of both the circuit board and connected devices.
Q: What type of batteries does this circuit board support?
A: It supports liquid lithium-ion batteries (18650).
Q: What are the USB output specifications?
A: The USB outputs are 5V 2.1A and 5V 1A (dual USB interface).
Q: What protection functions are included?
A: The board features overcharge, over-discharge, and overcurrent protection.
Q: How do I connect the batteries?
A: Connect the battery negative to B- and the positive to B+. Ensure proper insulation to avoid short circuits.
Specifications:
Package:
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