The Best 2S Bms of 2022 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best 2S Bms of 2022. Check our ranking below.
2,233 (random num) Reviews Scanned
Rank No. #1
Anmbest 5PCS 2S 7.4V 8.4V 8A 18650 Charger PCB BMS Protection Board for Li-ion Lithium Battery Cell
- HIGH-ACCURACY, HIGHLY DURABLE: High-accuracy voltage detection circuit, fine workmanship and durable, Effective life greater than 50000 hours.
- MULTIPLE PROTECTION: Over-discharge protection, overcurrent protection, overcharge protection, short circuit protection; A combination of 4 safety features that work together to provide ultimate protection for your devices, your chargers and most importantly:you.
- LOW STANDBY CURRENT: MOS transistor can control the battery charge and discharge, low standby current consumption.
- WIDELY APPLICATIONS: Use for variety of capacities and various shapes 3.7V lithium batteries,Massager battery pack, LED light backup power supply, solar street light battery pack, monitor standby power supply, etc.
- ATTENTION: Strictly according to the diagram wiring: B+: Battery V+ Positive, B-: Battery V- Negative, P+: Output / Charging V+, P-: Output / Charging V-, MB: The connection point between the batteries.Otherwise it will cause damage to the chip. Do not mix the good battery and poor battery to use. The internal resistance of 3 battery capacity are closer will be better.
Rank No. #2
5 PCS 2S 20A 7.4V 8.4V 18650 Li-Ion Lithium Battery 18650 Charger PCB BMS Board with Balance
- 100% brand new and high quality
- Charging voltage:8.4V-9.0V
- Continuous charge current(upper limit):10A
- Applicable scope: Suitable for lithium batteries with nominal voltage of 3.7V and full voltage of 4.2V (including 18650, 26650, polymer lithium batteries, without limitation on the dimensions) Balanced version: Suitable for starting currents below 25A and below 50W power drills, or resistive loads below 168W, with balanced charging function.
Rank No. #3
ACEIRMC 2S 7.4V 8.4V 8A 18650 Charger PCB BMS Protection Board for Li-ion Lithium Battery Cell (5pcs)
- HIGH-ACCURACY, HIGHLY DURABLE: High-accuracy voltage detection circuit, fine workmanship and durable, Effective life greater than 50000 hours.
- Use for variety of capacities and various shapes 3.7V lithium batteries,Massager battery pack, LED light backup power supply, solar street light battery pack, monitor standby power supply, etc.
- Over-discharge protection, overcurrent protection, overcharge protection, short circuit protection; A combination of 4 safety features that work together to provide ultimate protection for your devices.
- MOS transistor can control the battery charge and discharge, low standby current consumption.
- ATTENTION: Strictly according to the diagram wiring: B+: Battery V+ Positive, B-: Battery V- Negative, P+: Output / Charging V+, P-: Output / Charging V-, MB: The connection point between the batteries.Otherwise it will cause damage to the chip. Do not mix the good battery and poor battery to use. The internal resistance of 3 battery capacity are closer will be better.
Rank No. #4
3pcs Type C BMS 2S 3S 4S 1A 2A 4A 18650 Lithium Battery Charger Board USB C Step-up Boost Module for Li-Po Polymer Power Bank(3pcs 3S 4A)
- 3PCS Multi-Cell 2S 3S 4S Type-C to 8.4V 12.6V 16.8V Step-Up Boost LiPo Polymer Li-Ion Charger 7.4V 11.1V 14.8V 18650 Lithium Battery (3S-4A)
- Input Type-C 5V; Operating Temperature－40℃ to ＋85℃;
- Protection for Battery Voltage Being Low than Input and Short Battery Good adaptability to Input Supply with Limited Driving Capability
- Size :39mm x 18mm x 6.3mm;Weight : 5g; Battery Overvoltage Protection
- Led indicator : ''CR'' LED is charge status indicator ''OK'' LED is fully charged OR Constant voltage mode;
Rank No. #5
JESSINIE 2Pcs 2S 13A Protection Board 2S 7.4V 8.4V 13A Lithium Battery Protection Board PCB BMS Protection Board for Li-ion Lithium Battery Cell
- Charging Voltage: 8.4V-9V; Maximum Working Current: 13A
- High Quality: High-accuracy voltage detection circuit, fine workmanship and durable, effective life more than 50000 hours
- Multiple protection: overcharge protection, overdischarge protection, overcurrent protection, short circuit protection
- Wiring instruction: B+: Battery V+ Positive, B-: Battery V- Negative, P+: Output / Charging V+, P-: Output / Charging V-, MB: The connection point between the batteries
- P- is the negative electrode for charging and discharging; P+is the positive pole for charging and discharging
Rank No. #6
Micro Traders 2PCS 2S 3S BMS Charger Protection Board 30.8x18.3x5mm Lithium Battery Boost Charging Module Suitable for Lithium or Lithium Polymer Batteries
- [Voltage Output] Provides stable output for 2S (7.4-8.4V) or 3S (11.1-12.6V) lithium batteries, with a charging current of up to 1.5A.
- [Compact Size] Compact dimensions of 30.8x18.3x5mm for easy integration into various projects.
- [Versatile Input Options] Supports Type-C or solder wire input, with Type-C enabling automatic voltage adjustment for QC fast charging.
- [Flexible Output Configuration] Compatible with both 2S and 3S battery setups, with the option to switch from 2S to 3S by shorting designated points.
- [Intelligent LED Indicators] Features LED indicators for easy monitoring; red light indicates normal operation, blue light during charging, and flashing blue light for abnormal conditions.
Rank No. #7
AEDIKO 20pcs 2S BMS 7.4V 8.4V 8A Lithium Battery Protection Board 18650 Charger PCB Protection Board Module for Li-ion Lithium Battery Cell
- 2S BMS:Charging Voltage:8.4V-9V; Maximum Working Current: 8A;High-Accuracy Voltage Detection Circuit, Fine Workmanship and Reliable Quality, Effective Life Greater Than 50000 hours
- Protection: Over-Discharge Protection, Overcurrent Protection, Overcharge Protection, Short Circuit Protection
- Low Current: MOS Transistor Can Control the Battery Charge and Discharge, Low Standby Current Consumption
- Diagram Wiring: B+: Connect to Battery V+ Positive; B-: Connect to Battery V-Negative; P+: Connect to Charge / Discharge V+ Positive, P-: Connection Charge / Discharge V-Negative
- Wide Application:BMS Protection Board Widely Used for Variety of Capacities and Various Shapes 3.7V Lithium Batteries, Massage Battery Pack, LED Light Backup Power Supply, Solar Street Light Battery Pack, Monitor Standby Power Supply, etc.
Rank No. #8
Diitao 15PCS Lithium Battery Protection Board Overcharge Short Circuit Protection Module(2S 16A)
- Protection :4 kinds of safety function protection including over discharge protection, over current protection, over charge protection, short circuit protection to provide safe and reliable protection.
- Charging voltage: 8.4V-9V; Maximum working current: 8A High-accuracy voltage detection circuit, fine workmanship and durable.
- With spot welding design, easy to assemble and is convenient to use in projects.
- Note: Strictly according to the diagram wiring :B+: battery V+ positive, B-: battery V- negative, P+: output/charge V+, P-: output/charge V-, MB: connection point between batteries.
- Appliacation:It can be used for various shapes 3.7V lithium batteries,Massager battery pack, solar street light battery pack, monitor standby power supply, etc.
Rank No. #9
ACEIRMC 5pcs 2S 8A Li-ion 7.4V 8.4V Li-ion Lithium Battery 18650 Charger PCB Protection Board for Li-ion Lipo Battery Cell Pack
- This is a 2S 8A 7.4v balanced 18650 lithium ion lithium battery BMS charger protection board, current limiting protection about 10A.
- Short Circuit Protection: Protection, disconnect load delay self-recovery.
- MOS transistor can control the battery charge and discharge.
- Note: All the protection boards are connected to the battery in an unstable state. Some of them are always in a protected state. Most of them need to be charged and activated before output! The battery is disconnected and reassembled and activated again (Otherwise, the circuit is locked).
- Operating temperature: -40 - +50℃ Storage conditions: -40 - +80℃ Resistance: less than 300m ohm
Rank No. #10
DIANN 10pcs Type-C USB 2S BMS 15W 8.4V 12.6V 1.5A Boost Power Supply Module Support Fast Charge with Indicator Lithium Battery Charging
- 2S BMS Lithium Battery Charging Module Support QC Fast Charging
- 2S BMS Lithium Battery Charging Module: Charging Voltage: 8.4V 12.6V; Maximum Working Current: 1.5A; Boost Charging Efficiency: 94%
- Input: Optional Type-C or Welding Input, Type-C access QC fast charge can automatically adjust the charging voltage, improve the charging efficiency, if the welding wire input, the input power should be less than the battery voltage (battery series number * battery voltage)
- Input voltage, undervoltage protection，Adjustable charge timeout protection，Output over current, over voltage, short circuit protection
- Wide Application: 2S BMS Lithium Battery Charging Module Widely Used for Variety of Capacities and Various Shapes Lithium Batteries, Massage Battery Pack, LED Light Backup Power Supply, Solar Street Light Battery Pack, Monitor Standby Power Supply, etc.
Last update on 2025-03-17 / Affiliate links / Images from Amazon Product Advertising API
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- Brand Value: Every brand of 2S Bms has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
- Features: What bells and whistles matter for an 2S Bms?
- Specifications: How powerful they are can be measured.
- Product Value: This simply is how much bang for the buck you get from your 2S Bms.
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- Product Quality: You don’t always get what you pay for with an 2S Bms, sometimes less, and sometimes more.
- Product Reliability: How sturdy and durable an 2S Bms is should be an indication of how long it will work out for you.
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