Description:5S 20A100% brand new and high qualityThe protection board is for 5 series Li-ion batteries, mainly used for electric power tools.It uses special IC for 5S lithium batteries as processor to detect real-time voltage, charge and discharge current and ambient temperature of each battery.Stable various protective functions for charging and discharging, such as overcharge protection, over-discharge protection and short circuit protection.Low power consumption,the working current is about 25uA and quiescent current is about 6uA.Choosing the correct protection board and applying it appropriately is vital to the longevity your batteries.Specifications:Charge Voltage:19/21VSingle Cell Charge Voltage:3.8/4.25VContinuous Discharge Current:8-20AOvercharge Single Cell Detection Voltage:3.85-4.25VOvercharge Protection Delay:1SOvercharge Single Cell Recovery Voltage:3.75-4.13VOvercharge Protection Release Delay:1mSOver-discharge Single Cell Detection Voltage:2-2.8VOver-discharge Protection Delay:1SOver-discharge Single Cell Recovery Voltage:2.5-3.0VOver-discharge Protection Release Delay:100±20mSOver-current Detection Voltage:0.1-0.4VOver-current Detection Current:30±5AOver-current Detection Delay:1SShort Circuit Protection Support:YesShort Circuit Detection Delay:250uSShort Circuit Release Delay:1SShort Circuit Detection Voltage:0.8VRecovery State:Auto after Disconnect LoadOver Temperature Protection Protection Temperature:70±5℃Recovery Temperature:55±5℃Working State :25uA (25℃)Stand-by State:6uA(25℃)Discharge Main Circuit Internal Resistance:30±5mΩOperating Temperature: -40℃-85℃ RH≤75%Store Temperature: -40℃-125℃ RH≤75%Size Length x Width:45x40mm/1.77*1.57"Note:1.Transition: 1cm=10mm=0.39inch2.Please allow 0-3cm error due to manual measurement. pls make sure you do not mind before you bid.3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!4.No retail packagePackage Included:1PC*Battery Charger Protection Board(No retail package)2S 10AThe Overcharge voltage range: 4.25-4.35v ± 0.05v
Size: 46.7 * 23 * 3.15mm
Overpressure voltage range: 2.5-3.0v ± 0.05v
Upper working current: 10A
Operating temperature: -40 --- +50 ℃
Upper limit instantaneous current: 20A
Storage conditions: -40-- +80 ℃
Quiescent current: less than 10uA
Effective life: more than 50,000 hours
Internal resistance: less than 300mΩ
Short circuit protection: can be protected, need to charge recovery
Charging voltage: 8.4V-9V
The protection board size and device description;
The size of the protective plate is 46.7 * 23 * 3.15mm
Welding point Description:
B + connected to the battery positive;
B-connected battery negative;
MB connects the battery 1 to the connection point before the battery 2;
P + connected to the charge / discharge side of the positive (charge side / discharge side shared);
P-connect / discharge terminal negative (shared with charge / discharge).
Tips: the battery pack when the battery voltage, capacity, internal resistance must be a good match, the battery voltage in the rated voltage of about 3.7V appropriate, the group did not output a good battery pack, with 8.4V voltage can be charged.
Note:
The protection board can not be used for lithium iron phosphate battery, hernia lamp, hand drill battery pack, electric fish battery pack, electric bicycle battery pack, 775 (4A) motor, 1W fish eye LED light, for the combination of the purchase of customers Please pay attention!
Package Included:
1PC*2S 10A 7.4V 8.4V w/Balance Li-ion Lithium 18650 Battery BMS Protection PCB Board
4S 20A1) high-accuracy voltage detection circuit;
2) terminal of the charger using high voltage device;
3) Built-in three-stage over-current detection circuit (over-current 1, over-current 2, or load short circuit);
4) MOS transistor can control the battery charge and discharge;
5) low standby current consumption
4 series 18650 battery 16.8V 16V 14.8V
14.8V (Li-ion 18650 or li-ion battery rated voltage)
16.8V (Li-ion battery full charge voltage)
14.4V ( Lipo battery pack rated voltage)
Applications:
4S Li-ion18650,LiCoO2,LiMn2O4,Li(NiCoMn)O2 rechargeable batteries
4S Lipo rechargeable batteries
BMS solder instruction:
B+ connected battery positive;
B1 the connect point between battery 1 and battery 2
B2 connect the point between battery2 and battery 3
B3 Connect the point between battery 3 and battery 4
B- connect to battery negative end
P- + connection charge / discharge positive;
P- connection charge / discharge negative
Note:
1) this board is not suit high power electronic tools, if use for screwdrier and drill, please don't buy
2)Above 3A device,means the battry discharge rate is more than 3C.
1C rated battery, 2000mah equals 2ah*1=2A max working current.
3C rated battery means 2ahx3=6A Max working current.
3)Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!!
4S LI-ION BMS Specifications:
Over Charge Voltage:4.25-4.35v±0.05v
Over Discharge Voltage: 2.3-3.0v±0.05v
Max working current:10A
Max Peak current:20A
Working Temperature:-40~+50
Storage Temperature:-40~+80
Small current: 6uA
Life cycle:50000hours
Resistance:45mΩ
Short cut Protection:Protectable ,change for repair
Size: 3.6x3.5cm/1.42x1.38inch
Quantity: 1 Pc
Package Included:
1PC*Protection PCB Board