Charging and discharging: 134N3P has built-in charging and discharging power MOS, the charging current can be set, the maximum charging current and maximum discharging current are 1A. Safety protection function: Constant over temperature protection, overcharge and over discharge protection, output overvoltage protection, output overload protection, output short circuit protection, etc. Charge status indication: Charging- The red light flashes while charging; Red light is always on, charging is complete. Discharge- The blue light flashes. Application: Batteries like Polymer ,18650 Lithium ,Cell Phone ,Tablet and MP3 Battery ect. Note: To connect with lithium batteries, it can only be connected in parallel with a voltage of 3.7-4.2V, not in series.

Features:

1. Charge and discharge status indication

2. Built-in charging and discharging power MOS

3. Integrated charge management and discharge management

4. Intelligent temperature control and over temperature protection

5. Integrated output overvoltage protection, short circuit protection, heavy duty protection

6. Integrated overcharge and over discharge protection

7. Supports turbulence mode and zero voltage charging

Application: Batteries like Polymer ,18650 Lithium ,Cell Phone ,Tablet and MP3 Battery ect.

Note: 

The step up charging board can be connected to a lithium battery and 

connected in multiple sections of lithium batteries, as long as the voltage is 3.7-4.2V in parallel(only be connected in parallel, not in series)

Specification:

1. Input voltage: 3.7V~5.5V

2. Charging current: up to 1A

3. Output current: up to 1A (please do not take longer than 1200mA current device)

4. Output voltage: 5V

5. BAT discharge termination voltage: 2.9V

6. Preset 4.2V charging voltage with an accuracy of ±1%

7. Discharge efficiency: 85% (input 3.7V, output 5V/1A)

8. Maximum 8uA standby current

Package included:

12 x 5V Battery Charging Protection Board