18V 18.5V 21V Lithium Battery Protection Chip Board
5S 5A Lithium LiPO Battery protection board with SII IC
Applicable for
Lithium battery operating voltage: 18V ~ 21V
18.0V (3.6V * 5S) lithium battery & packs
18.5V (3.7V * 5S) lithium battery & packs
21.0V (4.2V * 5S) lithium battery & packs
Cylindrical Lithium battery (Li-ion)
Prismatic Lithium Polymer battery (Li-Po)
Parameters:
Maximum protection voltage: 21V ± 0.05V
Minimum protection voltage: 18V ± 0.05V
Maximum Charge Voltage: 21V
Support Maximum Discharge Current: 5A
This is a protected chip board, not a charging board. It doesnt have charge function.
Protections for:
Short circuit protection
Overcharge protection
Over-discharge protection
Overcurrent protection
Supports more cells in paralleled connection!
Could also work for 5S2P (10 cells) , 5S3P (15 cells), 5S4P (20 cells) etc.
Board Dimension:
70mm * 16mm * 2.6mm (L*W*T)
Exquisite and easy for welding!
Interface Definition:
P- : Output / Load Negative
P+ : Output / Load Postive
B+ : Battery Pack Positive
B1- : Middle connection between 1st & 2nd batteries
B2- : Middle connection between 2nd & 3rd batteries
B3- : Middle connection between 3rd & 4th batteries
B4- : Middle connection between 4th & 5th batteries
B- : Battery Pack Negative
NOT FOR POWER TOOL BATTERY !
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