52V 40Ah Rechargeable Lithium Ion Battery Pack 21700 4.5Ah Cell

18650 Li-ion batteries are the battery of choice when designing for higher voltage and current requirements. Li-ion have relatively low self-discharge rates, and are capable of high discharge currents and better performance than nickel and lead based batteries.

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Electric bicycle

Electric motorcycle

Electric tricycle

Electric boat

Motorhome

Energy storage

RC toy

Led light

Street light

UPS

Medical Equipment

Robot

Overview

Customized battery pack service are warm welcome, which is one of our best advantages. 

Battery cell can be choose for China brands or LG SAMSUNG SONY PANASONIC

BMS parameter could change based on application

Design battery size and solution in free service

Buyer advise connector type in order to assembly accordingly.

VODNO provide specification of battery and help to get certification.



 

 

Specifications

Nominal voltage

52V 

Capacity 

Nominal:40.5Ah

Minimum: 39.5Ah

Operation voltage

 

End of charging:59V±1V

End of discharging:39.5V±1V

Dimensions

≤187x152x207mm

Weight 

Approx. 10 kg

Standard charge method

 

Constant current and constant voltage (CC/VV), current is 20A, voltage is 58.8V±0.5V, cut-off current is 0.8A.

 

Max.continuous charge current

 

≤40A

Standard discharge

 

current=40A,cut-off voltage 39.5V±1V

 

Max.continuous discharge current

 

≤ 90A

Max.pulse discharge current

 

180A (5S)

Cycle life

500 cycles

Protection functions

 

Protection of short-circuit      (500µs)

Protection of over charging     (4.25±0.25V)

Protection of over discharging  (2.8±0.1V )

Protection of over current       (360A / 20ms)

Protection of high temperature  (75±5℃)

Connecting plug

XT90 (mother),length of wires 8#: 200mm

Packing material

Epoxy resin board

Operating Temperature

 

Charge: 0 to 45℃         

Discharge: -20 to 35℃      

Storage Temperature

 

1 month: -10 to 45℃        

3 month: -5 to 35℃         

Application

What is your application ? Waiting for your awesome a new project. 

 

What is Your Application?Talk to us, Vodno Battery Experts will offer you a best solution

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