Product name:4057 1A Lithium battery charging protection board with protection function
Input voltage range: 4.2V to 6.5V
Charging current: Maximum 1A (programmable)
Charging battery type: single 3.7V lithium battery (such as 18650 battery, etc.)
Charging cut off voltage: 4.2V
Over discharge protection voltage: 2.4V
Over temperature protection: with over temperature protection
Operating temperature range: -40 degrees Celsius to 80 degrees Celsius
Battery reverse connection protection: Yes
Battery parallel connection limitation: only support battery parallel connection, avoid series connection
Standby power consumption: low power standby design, extend battery life
Precautions:
Battery reverse connection: Batteries cannot be reversed or the charging board may be damaged.
Battery terminal voltage limit: Battery terminal voltage cannot exceed the rated voltage of the product (4.2V), avoid over voltage damage.
Battery connection mode: only support parallel connection of batteries, when the number of batteries is too much may affect the stability, it is recommended not to use too many batteries in parallel.
Package content:
5pcs TP4057 1A lithium battery charging protection board (with protection)