2pcs CN3761 Lithium Battery Charger Protection Board Module for 4.2V Solar Panel Regulated 1S Lithium Battery Charging Board

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Input voltage: DC5V~15V
Wide voltage input, compatible with CN3791 MPPT solar charger input voltage pre-selection, solar panel 6V/9V/12V can directly charge a single lithium battery.
Output voltage: 3.7V full junction voltage 4.2V lithium battery single string lithium battery
Charging management interface: SIP2.54-2P

Complete charge management for single-cell lithium batteries
The charging current can reach 3A (need to change the resistance and add heat sink, the default is 1.2Amax)
PWM switching frequency: 300KHz
Constant voltage charging voltage: 4.2V ± 1%
Constant current charging current is set by external resistor
Trickle charge a deeply discharged battery
Automatic recharge function
Charge status and charge end status indication
Soft start function
Battery terminal overvoltage protection
Working environment temperature: -40 Celsius to +85 Celsius

Date First Available ‏ : ‎ November 9, 2021
Manufacturer ‏ : ‎ Deeoee
ASIN ‏ : ‎ B09LC853BX

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