👉Micro usb lithium battery charging board has some advantages, such as, overcharge, over discharge and overcurrent protection.
HOW TO'S:
👉Connect the battery to B + B - , insert mobile phone charger to the USB Female then red light is charging and green is full of charged.
👉It can be used for voltage 4.5- 5V, 18650, polymer and other lithium battery charge and discharge protection, of which is very convenient to your DIY Project.
👉Adjustable charging current, stable and fast charging performance.
👉With charging indicator, red means charging, green means full power.