2S 7.4V 8.4V Boost Power Module 5V 2A Lithium Battery Charger Step Up Protection Board 18650 Bank Charger Board Diy Components

1. Versatility: This power module can be used as a charger for lithium batteries or as a boost protection board to realize the conversion between voltages. 2. Powerful charging capacity: The module supports 7.4V and 8.4V voltage inputs, which can provide a stable power supply for 5v 2A devices, and also has a good charging effect on 18650 battery packs. 3. High safety: This boost power module is equipped with a Protection Board, which can effectively prevent the lithium battery from overcharge, overdischarge, overcurrent, short circuit and problems, and ensure the safety of equipment operation. 4. Convenient DIY: This product has a simple structure and is easy to disassemble. It is suitable for electronic product enthusiasts to self-DIY and can replace components as needed. System stability: It has excellent system stability, even in the case of heavy load or short circuit, it can automatically protect to ensure the normal operation of the equipment. Description of 2 series lithium battery boost charging board The 2 series lithium battery boost charging board is a double link series lithium battery synchronous boost charging module with high integration and high reliability. The charging efficiency is 94 at the input voltage of 5V,bat voltage 8.4v and charging current of 1.2A. Charging integrates various protection functions: input overvoltage,input undervoltage,output overvoltage,output short circuit,chip over temperature,and maximum charging time of 24 hours. Parameter function description 1. working range of input voltage: 4.6v-5.5v 2.5v/2a input synchronous boost charging 3. input adaptive charging 4. support two 4.2V batteries 5. Ed displays the charging status,and supports the display of two color lights 6. self contained trickle / constant current / constant voltage charging mode 7. 24 hour time out protection for charging 8. output over current,over voltage and short circuit protection 9. input over voltage and undervoltage protection 10. input voltage withstand voltage 13V 11. OTP over temperature protection 12. size: 28mm * 17mm 13.Color: As the pictures show 14.Package quantity:1 Pc Note: Please allow 2-3 differences due to manual measurement. The above dimensions are for reference only. As different computers display different colors, thank you for your understanding, the actual product color may be slightly different from the image.

Notes: 1.Please allows 1cm-3cm difference due to manual measurement and slight chromatic aberration for different display setting. 2.Please understands because of the light irradiation or computer display difference,so I can't guarantee photos and real color is 100 the same. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.