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Features:
Can protect batterys and prolong the service life of batterys.
Used to Charging/discharging three groups of lithium batterys in series.
Each group can connect multiple lithium batterys in parallel.
Overcharge protection, over discharge protection, over current protection, short circuit protection.
Can be used in electric drills, sprayers, Leds light, ect.

Specifications:
Version: Enhance
Charging-Voltage: D C12.6-13V
Maximum Working current: 60A (Nice heat dissipation condition) 
Continuous Charging-Current: up to 20A
Continuous Discharge Current: up to 40A
Overcurrent Protection: 125A
Overcharge Detection: 12.8A (for 3 groups of batterys)
Overcharge Release: 12.3A (for 3 groups of batterys)
Overdischarge Detection: 2.4V (for 1 group of batterys)
Overdischarge Release: 3.0V (for 1 group of batterys)
Short Circuit Protection: Yes
Working Temperature: -40℃~85℃
Storage Conditions: -40℃~125℃
Item Size: 55 * 41 * 4mm / 2.16 * 1.61 * 0.16in
Package Size: 120 * 80 * 12mm / 4.72 * 3.15 * 4.72in
Package Weight: 10g / 0.35ounces

Package List:
1 * Protective Board