The Best 4S Lifepo4 Bms of 2022 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best 4S Lifepo4 Bms of 2022. Check our ranking below.
2,190 Reviews Scanned
- ★【VNSZNR LiFePO4 BMS】The BMS was be manufactured by high quality Mos and IC. Keep your battery long cycle service life time. Extreme low power consumption. The consumption of the whole device is less than 50uA.
- ★【LiFePO4 BMS】Single overcharge protection voltage is about 3.75V. Single over-release protection voltage is about 2.1V. Working temp: - 20 ℃ ~ 70 ℃ / - 4 ℉ ~ 158 ℉.
- ★【Multiple protection】Over-charging protection. Over-discharging protection. Over-current protection. Temperature protection. Disconnect protection. Short Circuit Protection. Short Circuit protect recover. Balance Function.
- ★【Heavy Duty】VNSZNR Lifepo4 BMS use high anti-corrosion, high water resistance, high impedance ESD conformal Coating.It is waterproof, dustproof and shockproof.
- ★【What You Get】1pcs*VNSZNR 4S 100A BMS; 1pcs*balance cable; 1pcs*English user manual, Package also come with B- and P- cable, 36-months warranty and friendly customer service. Quality Guarantee--- ISO/ FCC/ RoHS/ PSE/ CE APPROVED.
- Note:the green version in the picture is just someone ask a question and i uploaded wiring diagram,sent is the blue version, not the green one
- b4 is black, b3 red, b2 white, b1yellow, b- orange,Don't wire like the picture
- Charging Voltage: 14.8V
- Charging Current: 20A (MAX)
- Over-charge Detect: 3.75±0.05V
- Convenient to Operate: This Lithium BMS is designed for 4 series 12V LiFePO4 batteries, comes with 5P-250mm wire for convenient use
- Essential Part for Circuit Board: Protection circuit board is the heart of battery pack, must to have to avoid battery pack from explosion, fire and damage
- Multiple Protction Functions Allows Glossy Better Expeience: This Waterproof BMS Multiple protective functions including overcharge protection, overdischarge protection, overcurrent protection and short circuit protection
- Balance Function: This lifepo4 bms lithium Balance Board is equipped with equilibrium function to keep each cell in balance and good service life
- {Parameter Real Time View}---With Smart Communication Function UART Protocol ,All Parameters can be check Via Bluetooth App or UART USB Connection with PC Monitoring Program.
- {Parameters Programmable} ---- Charge And Discharge Protection Current ,Voltage,Temperature Can Be Reset in Certain Range
- {Fast Temperature Cooling}-- With Cooling Fan , Greatly Help Cool Down the High Temperature While BMS Working, Friendly to the Tropical Zone.
- {Quality Guarantee}--- ISO/ FCC/ RoHS/ PSE/ CE APPROVED.Shipping time---within 9-14 days from China Dalyelec Manufacturing base normally. Delivery will be postponed as per National Holidays Regulation. Tracking information available.
- {Package}-- Rated 3.2V LiFePO4 Smart Fan BMS (With Smart Communication Function UART)*1+Bluetooth Module *1+UART USB *1+Matching Balance Wire*1+ Instruction Manual*1
- Working Voltage: 2.7V-4.2V, suitable for NCM Ternary polymer lithium battery (Li-ion), lithium iron phosphate battery (LiFePO4). It can Not fit LTO battery. 【NOTE Tips】Well tested by the manufacturer. As long as the wiring is correct, the product guarantees long-lasting and effective performance. Of course, if customers have any questions, they can take the initiative to contact us, we are absolutely capable of providing more professional answers, rather than a direct refund returns.
- Working Principle: Flying capacitor transfer charge transporter, Balancer board is connected to the battery to start the balance work, using the original brand new ultra-low internal resistance MOS, 2OZ copper thickness PCB. Balance current 0-5.5A, the more balanced the battery current is Small, reserved for the dormant switch wiring position, the dormant power-off mode working current is less than 0.1mA, and the balance voltage accuracy is within 5mv!
- The quiescent current is about 9mA, and the battery capacity is recommended to be used between 30-200AH/Per Balancer. High-capacity batteries can be connected in parallel with multiple equalizers.
- With under-voltage sleep protection, only detecting the battery voltage of B1, the equalizer will automatically stop entering the sleep state when the B1 voltage is lower than 2.7V, and the standby power consumption is less than 0.1mA.
- 【NOTE】: Before connect the balance cable to the balance board, be sure to check whether the connections of each section of the battery pack are correct, and do a good job of insulating the bottom of the board and the battery string connection terminals. Otherwise, it will short-circuit and burn the board. Tips: This balancer board is backward compatible by default. eg. If it is used for 3S, the last line B4+ is empty.
- This is an active equalization module for lithium batteries, which can be compatible with all other brands of bms .
- Suitable for 3-16S Li-ion battery pack and LiFepo4 battery pack. Please note the battery strings must be matched to the active balancer strings.
- Equalizing current:0~1A, non-internalresistance energy dissipation equalization and low-heating, can be connected to the battery pack fora long time.
- It can be used in the field of power batteries (electric vehicles, forklifts, AGVs, cleaning vehicles, etc.), and can also be used in the field of energy storage (outdoor power supply, RV, home energy storage, base station, photovoltaic, etc.)
- We provide 1 year product warranty and 24/7 online service for your inquiry, please feel free to contact us.
- {Parameter Real Time View}---With Smart Communication Function UART Protocol ,All Parameters can be check Via Bluetooth App or UART USB Connection with PC Monitoring Program.
- {Parameters Programmable} ---- Charge And Discharge Protection Current ,Voltage,Temperature Can Be Reset in Certain Range
- {Fast Temperature Cooling}-- With Cooling Fan , Greatly Help Cool Down the High Temperature While BMS Working, Friendly to the Tropical Zone.
- {Quality Guarantee}--- ISO/ FCC/ RoHS/ PSE/ CE APPROVED.Shipping time---within 9-14 days from China Dalyelec Manufacturing base normally. Delivery will be postponed as per National Holidays Regulation. Tracking information available.
- {Package}-- Rated 3.2V LiFePO4 Smart Fan BMS (With Smart Communication Function UART)*1+Bluetooth Module *1+UART USB *1+Matching Balance Wire*1+ Instruction Manual*1
- 【NOTE】: This is Active Balancer WITHOUT Smart Communication . Energy transfer balance,no waste of energy and better the battery consistence and extend the battery life. This balancer can do the balancing all the time until the battery cell voltage get to be consistent.
- 【Tips】: The equalization board has no voltage overcharge /over discharge protection function. Over voltage/over discharge is the function of the BMS protection board , it is best to be used in parallel with the DALY BMS and the wire connection can be more easier.
- 【Application 】Applicable battery type: NCM(Li-ion)rated 3.7V/LFP rated 3.2V, NOT support LTO; the battery strings must be matched to the active balancer strings; When single cell voltage be 3.3V will trigger the equalization; DALY active balancer compatible with all other brands of bms .
- 【Quality Guarantee】 ISO/ FCC/ RoHS/ PSE/ CE APPROVED.Shipping time---within 9-14 days from China Dalyelec Manufacturing base normally. Delivery will be postponed as per National Holidays Regulation.
- 【What You Will Get】 A Common Active Balancer *1+Sampling Wire*1
- 【NOTE】: Not recommended to be compatible with low strings, The indicator light will flash and report an error. Before connecting the equalization board, be sure to check whether each battery is wired correctly, and do a good job of insulation. otherwise it will short-circuit and burn the board. If Buyer short-circuits and burns the board, Buyer needs to bear the responsibility instead of returning it. Thank you for acting with conscience.
- 【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. 【Respond to unprofessional customer reviews.】
- 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.
- 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.)
- Voltage balance accuracy: 30mV (typical value) between adjacent voltages; Balance current: 0.1V voltage difference 0.5A balance current, the maximum balance current is 1.2A when the voltage difference is above 0.2V. Static working current: 0.01mA; Under-voltage protection dormant voltage: The adjacent voltage difference is less than 0.03V and enters dormant state.
- Supports up to 200 amp continuous charge or discharge current. Perfect for your high current 12v lifepo4 battery applications.
- BMS for 4 Cells 12 volt - Lithium Lifepo4 - Build a high capacity LifePO4 battery from individual cells.
- Low Temperature Charging cutoff - Prevents damage to LifePO4 cells when the temperature is to low to charge
- Monitor pack and cell charge level with IOS app or Android app using included Bluetooth board. Also monitor charge and discharge current.
- Includes Bluetooth module for wireless app connections to monitor battery charge and discharge protection of lifepo4 lithium battery.
Last update on 2023-09-16 / Affiliate links / Images from Amazon Product Advertising API
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FAQ:
Q: What type of BMs can be made for lithium battery pack?
A: 2) this BMS can be made for 3series or 4S cell protection for Lithium Battery pack (3*4.2=12.6V 4*3.65=14.6V Lifepo4 battery pack and 4S li ion battery*4.2=16.8V application ),client can select suitable type based on your battery characteristics with three layers of over-discharge and over-current detections and delay times in detecting process.
Q: How does the 18650 LiFePO4 battery pack protect the battery?
A: Over-charge over-discharge protection—18650 LiFePO4 battery pack will stop charge when its voltage reaches 3.75V and stop discharge when its voltage reaches 2.2V. Temperature protection—low temperature -7℃ battery protection and high temperature 70℃ discharging battery protection.
Q: What are the characteristics of the BMS?
A: 1) Characteristics : this is a smart BMS with Bluetooth and PC communication which will be used to protect and monitor your battery status visible from the computer and your android APP phone . discharge current and charging current .the charge and discharge port is same . Size :315*120*15mm
Q: What are the BMS and BMS voltage settings?
A: BMS protect battery charge voltage: 3.75V. BMS protect battery discharge voltage: 2.2V. Continuous charging current: 125A. Continuous discharging current: 250A. Balance voltage: 3.7V. 3.2V LiFePO4 BMS*1, matching balance wires*1, English version wiring manual*1.