- The positive pole of the battery is connected to B+ and the negative pole is connected to B-, do not reverse it. If it is reversed, it will burn out!!!!
- This module is a portable backup power supply with an input that matches the 5.0V adapter to charge the internal battery. Use built-in battery for portable device to provide 5.0V/3.0A USB2.0 supply output for external devices.
- Protection: overcharge protection, overdischarge protection, short circuit protection, constant current.
- Charging cable: support three USB data cable charging, including Iphone and Android.
- Size: 6.5 * 2.5 * 0.1cm; Dual output current: 5V 2.4A; Input voltage B+ to B-: 3.0 – 4.2V.
18650 Charging Board Dual USB 5V 2.4A Mobile Power Bank Module 186 50 Lithium Battery Charger Board with Overcharge Overdischarge Short Circuit Protection DIY USB Power Bank Board
- Overall you save ₹50.00 (17%) on this product