4S 4 Serial Series 12V 80A Balance 18650 Battery Cell BMS Protection PCB Board Module For LiFePo4 Diy Kit Electronic PCB Board
4S 4 Serial Series 12V 80A Balance 18650 Battery Cell BMS Protection PCB Board Module For LiFePo4 Diy Kit Electronic PCB Board Original price was: 1,080.00৳ .Current price is: 845.00৳ .
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ABS Plastic Waterproof Electronic Shell Enclosure Project PCB Box Case 100x68x50mm
ABS Plastic Waterproof Electronic Shell Enclosure Project PCB Box Case 100x68x50mm Original price was: 500.00৳ .Current price is: 375.00৳ .

4S SERIES 16.8V LITHIUM BATTERY PROTECTION BOARD 100A WITH BALANCE INVERTER BOARD

Original price was: 1,000.00৳ .Current price is: 875.00৳ .

  • 🔧 Bullet Point Highlights
    • High Current Handling: Supports 100A–120A — ideal for large battery packs
    • 🔌 Charging Voltage: Fixed at 16.8V — suitable for 4S lithium battery systems
    • 🔋 Charging Current: Up to 10A (Max) — fast and efficient charging capability
    • 📊 Balancing Current: 45mA — ensures consistent charge distribution across cells
    • 🌡️ Wide Working Temperature Range: -20°C to +80°C — resilient for varied environments
    • 📐 Board Dimensions: 70 × 60 × 8.5 mm — compact yet powerful for embedded setups
    • 🧠 Optimized for discharge protection, balancing, and regulated charging
    • 🧩 Recommended for use in high-capacity lithium battery applications, including tools, mobility systems, and solar storage
    • 🔧 Durable construction for stable performance under heavy current loads
    • 🛠️ Ready for integration into DIY BMS, e-bike systems, or high-power projects

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Description
Description:
The module has the functions of over-charge protection, over-discharge protection, and short circuit protection. Safety and reliability.
Battery heating in use means that battery rate is not applicable. This situation can not be used for a long time and the battery will be damaged quickly.
There are 10 MOS transistors, strong heat dissipation aluminum sheet, upper limit of continuous current 100A. Suitable for 4 series battery packs, such as inverter, a xenon lamp, solar street lamp, etc.
Current: 100-120A
Charging Voltage: 16.8V
Charging current: 10A (Max)
Balanced Current of Electricity: 45mA
Working temperature: -20~80 degree C

Dimension: 70 x 60 x 8.5 mm

Item Specification Unit Remark
Current Continuous discharge current 100 A Attention temperature
Instantaneous discharge current 120 A
Charging Charging voltage Lithium battery charger 16. 8V V Switching power supply 17-18V
Charging current 10 (max) A
Overcharge protection Overcharge detection voltage 4.28 ±0.05 V Single-core
Overcharge protection delay 0.5 S
Overcharge release voltage 4. 08 ±0.05 V Single-core
Battery balance Power balance detection voltage 4.2±0.05 V
Power balance release voltage 4.2±0.05 V
Battery balance current 45 mA
Over-discharge protection Over-discharge detection voltage 2.5±0.08 V
Over-discharge detection delay 0.1 S
Over-discharge release voltage 2.9±0. 1 V
Overcurrent protection Overcurrent detection voltage 150 mV
Overcurrent detection delay 40 mS
Overcurrent protection current 120±10 A
Overcurrent protection release condition Disconnect load
Short circuit protection Short circuit protection condition External load short circuit Short circuit prohibited
Short circuit detection delay 250 uS
Short circuit protection release condition Disconnect load
Temperature protection Temperature protection / °C Can add external temperature switch
Internal resistance Main circuit conduction internal resistance ≤20
Self-consumption Working current ≤30 uA
Sleep current (when current is over-discharged) ≤20 uA
Operating temperature Temperature range -20 to 80 °C
Board size 70*60*8.5 mm
Package Included:1 x 4 Series 16.8V Lithium Battery Protection Board
1 x Cable
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