Generic 18650 3.7V 5V 2A 18650 Dual Micro USB to Boost Mobile Power Bank DIY Lithium Battery Charger PCB Board Step Up

18650 Dual Micro USB 3.7V to 5V 2A Boost Mobile Power Bank DIY 18650 Lithium Battery Charger PCB Board Step Up Module with Led

Generic 18650 3.7V 5V 2A 18650 Dual Micro USB to Boost Mobile Power Bank DIY Lithium Battery Charger PCB Board Step Up

DIY power bank/charger circuit board product characteristics: level 1.4 LED lamp displays electric quantity, and intelligent automatic shutdown in non-working state; 2. Built-in lithium battery protection IC with over-current, over-voltage and under-voltage protection; 3. Dual USB output; 4. Board size: 8mm thick * 32mm wide * 69mm long. Basic parameters: input Port: MicroUSB (Android port) input requirements: 5V constant voltage power supply can be used as charging input power supply, and the most matching charger is above 5V1A the output port: USB output parameters: 5V1A/5V2A requirements for rechargeable batteries: available batteries: 18650 battery, mobile phone battery, tablet battery, MP3 battery, etc. 3.7V-4.2v lithium polymer battery can supply power in single section (sheet) or multiple sections (sheet) in parallel (series is not supported, and series is not allowed). ( Notes: increase capacity in parallel, series is to increase voltage, can only be used in parallel!) it can be combined with 2-6 18650 batteries!!! Unavailable batteries: dry battery, storage battery, 1.2V rechargeable battery, Ni-MH battery, 3.2V lithium iron polymer lithium battery, etc. Pay attention to the following points when installing the product: 1. Batteries should be connected in parallel, and the voltage should be between 3.2-18650V to work. Flat head and polymer batteries can be used; 2. The battery is connected to the main board B + the negative connection B- , the main board must be burned when installed; 3. Batteries with different models and brands cannot be mixed.

Brand: Generic

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Key Features

• ✅ 18650 Dual Micro USB 3.7V To 5V 2A Boost Mobile Power Bank DIY 18650 Lithium Battery Charger PCB Board Step Up Module With Led

Product Details

• ✅ Special Feature: Over Voltage Protection

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