7S 24V 20A BMS Li-ion Battery Ebike E-bike Balancing

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Price:
£13.95

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Stock:
In stock

Description

7S 24V 20A BMS

This bms is for a Lithium-ion battery. Not suitable for a LiFePO4 battery

Specifications

  • Brand Name: WALFRONT
  • Type: Hand Tool Parts
  • is_customized: Yes
  • Model Number: Battery BMS Board
  • Material: Aluminium-copper Alloy
  • Usage: Commercial Manufacture
  • Size: 65*33*7mm
  • Wire Length: 350mm
  • Parameter data: As Below Chart
  • Feature 1: 18650 li-ion 3.6V/3.7V batteries
  • Feature 2: over-discharge
  • Feature 3: for MOS tube
  • Feature 4: save energy

24V 20A 7S Li-ion Battery Battery BMS Protection Board with Balancing

Features:

  • The protection board is for 7 series 18650 li-ion 3.6V/3.7V batteries.
  • Stable various protective functions for charging and discharging, such as aurate overcharge protection, over-discharge protection, over current protection and short circuit protection.
  • Batteries core hardware balanced processing,  proper balanced current, reasonable balanced heat emitting, does not affect performance of battery pack.
  • It has aluminum sheet that would enhance heat dissipation for MOS tube, and extend the service life of MOS tube.
  • Low quiescent power consumption, it can save energy.

 Detailed specification:

  Minimum Typical  imum Unit Note
Working Voltage 19.6   29.75 V Circuit normall working range
Quiescent Current   20 50 μA Single battery voltage 3.6V
Operating Temperature -20   +70 Normall operating temperature range
Relative Humidity     90%   No condensation
Storage Temperature -40   +85 Humidity is less than 90%, no condensation
Altitude     4000 M  
Charging Voltage     29.75 V -CV
Function Test Item Symbol Test Condition Minimum Typical imum Unit
Over Charge Protection Voltage Vc1 At charge off 4.200 4.250 4.300 V
Delay Time Tc1 / 10 1000 1700 mS
Relieve Voltage Vc2 / 4.150 4.190 4.240 V
Charging Current Normal Ioc /     20 A
Balancing Function Start Voltage   / 4.150 4.200 4.250 V
Balancing Current   / 20   35 mA
Over Discharge Protection Voltage Vd1 At discharge off 2.700 2.800 2.900 V
Delay Time Td1 / 10 200 500 mS
Relieve Voltage Vd2 / 2.900 3.000 3.100 V
Recovery Condition / / Disconnecting load
Over Current Portecion Over Current 1 Protection Current Ioc1   60   100 A
Over Current 1 Protection Delay Time Toc1   20   200 mS
Discharge Over Current Relieving Over Current Protecion Recovery Condition / / Disconnecting load
Discharge Current . Continuous Discharge Current Ioc - - - 20 A
Short Circuit Protection Delay Time Tshort     300 600 μS
  Recovery / / Disconnecting load
Internal Resistance Discharge Circuit Internal Resistance(m&;) Ron1   / / 20 mR
Self Power Consumption Working Mode I1   / 20 50 μA

Size: 65*33*7mm / 2.56*1.3*0.27"

Wire Length: 350mm / 13.77"

Package list:

1 x Protection Board

1 x Balance Cable

 

 

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