12V 20AH Lithium Battery 5 jaar garantie

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€ 229,00 € 219,00 (inclusief 21% btw)

Deze accu is geschikt voor caravan en camper・Compact Structure Design & light weight:SX12V20Ah features a compact structure design

(181mm*76mm*159mm) and weighs less than half of the capacity-equivalent lead acid battery.

・BMS protection: Each of SX12V20Ah has an integrated battery management system which

protects the battery from extreme cases. The following chart shows the basic protection

functions of the BMS.

Function Function-on conditionRelease condition
High-voltage protectionVoltage of any bank>3.75VVoltage of every bank<3.6V
Low-voltage protectionVoltage of any bank<2.1VVoltage of every bank>2.3V
Over-current protectionCharge/Discharge current >80A

for over 100mS

Removing loads
Short circuit protectionDetection relay time 200μS R emoving loads

・Automatic voltage balancing: The BMS can automatically narrow the voltage gap between

four banks to achieve a better performance.

・Safety precautions: The case is made of fire-retardant material. Besides, each cell is connected

with a fuse in series. The fuse will melt and cut off the circuit in case of a constant overcurrent to

avoid fire risks.

・Convenient maintenance: Upper cover is removable, which makes it convenient for battery


・Certifications: CE, RoHS, UN 38.3, and MSDS.


Technical Specifications








Nominal voltage12.8V
Nominal capacity 20Ah/256Wh
Cycle life >3000 cycles @0.2C 80 DOD
Self discharge<3% per month
Efficiency of charge>99% @0.5C
Efficiency of discharge 96%~99% @0.5C





Standard   Charge

Charge voltage14.6±0.2V
Charge modeCC/CV: Constant Current/Constant Voltage
Standard continuous charge current4A
Max charge current  20A
Cut-off voltage3.75V (single bank)


Standard Discharge

Continuous current ≤20A
Discharge cut-off voltage2.1V (single bank)

Charge temperature 0~55℃(32~131F)

@ 60±25 relative humidity

Discharge temperature


@ 60±25 relative humidit

Storage temperature-20~45℃(-4~113F)

@ 60±25 relative humidity

IP protection level IP65

InstallmentParallel connection only
Control  Battery management system (BMS) integrated

Case materialABS+PC
Cell assembly32650-4S5P
Dimension181mm (L) *76mm (W) *159mm (H)



Dubbel opstap Bermuda € 34,15 € 24,95
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