10 Best Bms 4 S Lithium Battery In The Us - Black Friday 2024
Best Choice1
Generic4S Smart BMS for li ion or Lipo NCM Battery 100A with Balance Function 16.8V Lithium Protection Board
Main highlights- with 100A Constant current and same charge and discharge port
- With free connection wires ,cable connector and BT Module will be included
- Support Protection parameters edit and change : such as over-charge protection voltage , over-discharge protection cut-off voltage ,over-current protection current,high and low temperature ,switch function activation setting etc
- Dimension :160*105*10mm
- Application : For 4S Li ion 16.8V Battery with 100A Constant discharge current
9.6Exceptional
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Value for Money2
NERMAKNERMAK 12V 5Ah Lithium LiFePO4 Deep Cycle Battery, 2000+ Cycles Lithium Iron Phosphate Rechargeable Battery for Power Wheels, Fish Finder and More, Built-in 6A BMS
Why we love it
High Energy Density
Long Cycle Life
Safe Eco Friendly
9.5Excellent
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3
HiLetgoHiLetgo 14.8V 4S 30A 18650 Li-ion Lithium Battery BMS PCB Integrated Circuits Protection Board Cell Balance
Main highlights- Working current: 30A .Charging voltage: 16.8V-18V,the best is 17v.Size:56*48*4mm.
- Main function: Over charge protection, over discharge protection function, short circuit protection function, over current protection function, balance.
- High-accuracy voltage detection circuit, fine workmanship and durable.
- 14.8V 4S 30A 18650 Li-ion Lithium Battery BMS PCB Integrated Circuits Protection Board Cell Balance.
9.4Excellent
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4
QINIZX11% Off3S 4S 12V 5A Battery Active Equalizer BMS Balancer Lipo Li-ion LFP LiFePO4 Lithium Battery Balance Active Energy Transfer Equalization Module Faster Whole Group Capacitor Balancer PCB
Why we love it
This product is voltage compatible with NCM Ternary polymer lithium batteries Li ion and lithium iron phosphate batteries LiFePO4 .
The manufacturer has put this product through extensive testing to ensure its long lasting and effective performance.
This product has a standby power consumption of less than 0.1mA, making it very power efficient.
9.3Excellent
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5
VNSZNRVNSZNR LiFePO4 BMS 4S 12V 40A Lithium Iron Phosphate Battery Management System PCB Protection Board with Balance Leads Wires for LiFePO4 3.2V Cells Battery Pack
9.9 Tech Support9.3 Durability8.2 Simple to useWhy we love it
High-quality build ensures long-lasting battery life.
Comprehensive protection features enhance safety and reliability.
Excellent customer service and support.
9.0Excellent
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6
XFYBZN16% Off4S Li-ion Lipo Lifepo4 LFP Lithium Battery Active Equalizer Balancer BMS 1.2A Balance Energy Transfer Board Inductance Balancing Protection PCB
8.0 Precision8.0 Simple to use8.0 worth the moneyWhy we love it
Maintains battery cells within 10 millivolts accurately.
Cost-effective for small lithium battery projects.
Indicator lights for easy status monitoring.
8.8Very Good
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7
D-FLIFED-FLIFE 4pcs 4S 40A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board with Balance for Drill Motor 14.8V 16.8V Lipo Cell Module
Main highlights- Multiple Protections: Over-discharge protection, overcurrent protection, overcharge protection; High charge and discharge current
- LOW STANDBY CURRENT: MOS transistor can control the battery charge and discharge, low standby current consumption.
- High Quality; Compact size and lightweight;High-accuracy voltage detection circuit; fine workmanship and durable; stable performance.
- Applications:It is suitable for lithium batteries with nominal voltage of 3.7V and full voltage of 4.2V (including 18650, 26650, polymer lithium batteries, no size limit).Besides, it can use for electric drill with starting current below 80A and power below 135W .
- 4S 40A 16.8V Li-ion Lithium Battery Protection Board PCB BMS Charger Protection Circuit Balance Charging Module for Drill Motor Motorcycle Battery
8.7Very Good
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8
QINIZX12S 36V 48V 50.4V 1.2A Li-ion Lipo Lifepo4 LFP Battery Active Equalizer BMS Balancer Inductive Balance Lithium Battery Energy Transfer Board (12S)
Main highlights- Voltage balance accuracy: 30mV (typical value) between adjacent voltages; Balance current: 0.1V
0.2V, balanced current 1.0A (max 1.2A); Under-voltage protection dormant voltage: The adjacent voltage difference is less than 0.03V and enters dormant state, Sleep current 10uA. - Tips: The equalization board is not a BMS protection board, it is an auxiliary to the protection board, so no matter how bad the battery you use to test, it can be used, But it has no overvoltage/overdischarge protection function. Overvoltage/overdischarge is the function of the BMS protection board. If voltage protection is required, it is best to use it in parallel with the BMS protection board.
- NOTE: Only can use 12s battery-packs, and Not recommended to use poor quality battery pack to test. The indicator light will flash and report an error. Before connecting the equalization board, be sure to check whether each battery is wired correctly(Measure whether the voltage of each battery string is correct), and do a good job of insulation. otherwise it will short-circuit and burn the board.
- Balance method: Detect that the voltage difference between adjacent batteries is greater than 0.1V to trigger the start of equalization, and the adjacent battery voltage difference is less than 0.03V to stop working. (Tips: The inductance equalization board needs to be charged/discharged many times before the voltage equalization can achieve a better effect.)
- Applicable battery type: NCM(Li-ion)/LFP, NOT support LTO; Single voltage working range: 3.0V-4.2V; Suggested battery capacity: below 30AH, If more than 30AH, pls search Capacitor Faster Whole Group Balancer " B096NLHXPF " to purchase. Indicator light: LED on, balance in progress; LED off, balance ends; LED flashing: battery drop string indicator/circuit failure.
8.6Very Good
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- Voltage balance accuracy: 30mV (typical value) between adjacent voltages; Balance current: 0.1V
9
MELIFEMELIFE 4PCS 4S 20A 14.8V Lithium for 18650 Battery BMS PCM Protection PCB Board Module 16.8V with Overcharge Over Discharge Short Circuit Protection
Main highlights- Widespread Application: Low power inverters, massager battery packs, LED light backup power supplies, electronics, solar street light battery packs, monitoring backup power supplies, and other products.
- Over Charge Voltage: 4.25-4.35v¡À0.05v, Over Discharge Voltage: 2.3-3.0V ¡À 0.05V.
- Note: For discharge products above 3A, the discharge rate of the battery should be more than 3C. (Magnification formula: 1C rate battery, 2000 capacity equals 2AH*1=2A upper limit working current. 3C rate battery, 2000 capacity equals 2AH*3=6A upper limit working current)
- High-accuracy voltage detection circuit; terminal of the charger using high voltage device; low standby current consumption.
- Built-in three-stage over-current detection circuit (over-current 1, over-current 2, or load short circuit); MOS transistor can control the battery charge and discharge.
8.5Good
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10
ECI PowerECI Power 12V 5Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2000-5000 Life Cycles & 10-Year Lifetime | Built-in BMS
9.1 Light weight8.0 worth the money8.0 Long lifeWhy we love it
Robust technology:
Proven quality:
Cost effective:
8.4Good
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