Customization: | Available |
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Overcharge Protection: | Yes |
Ovediscahrge Protection: | Yes |
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Mode | LWS-2S4A-153 |
PCM Size | L49*W6.5*T2 mm |
battery series | 2S Available |
working current | 4A Available |
Usage(Cell Type) | Li-ion battery packs (7.4V/cell) LiFePO4 battery packs (6.4V/cell) |
Application | Ebike, Solar products, etc |
Sample | available |
Lithium BMS 2s 7.4V is a Battery Management System designed for 18650 cell battery power banks. It ensures safe and efficient charging and discharging of the 2-series 7.4V lithium battery pack. Ideal for portable power banks using 18650 cells. |
Electric Switch, Temperature Switch, Passive Balance, Active Balance, 5V output, NTC,bluetooth UART/BT/RS485/CAN communication/LCD dispay and etc., if you need any above accessories, please must to contact our sales fisrt. All items could be customized to your requirements,if without any requests after order placed, we will produce as specification in details page. |
Li-ion Product Specifications-LWS | ||||||||
Product parameters(example:LFion-13S) | ||||||||
15A | 25A | 30A | 40A | 100A | 200A | Supplement | ||
Current | Maxi mal continuous charging current |
15A | 25A | 30A | 40A | 100A | 200A | About yourproducts, just tellus the ratedvoltage / current or application etc ,we will help to recommend the most suitable products for you. |
Maxi mal continuous Discharging current |
15A | 25A | 30A | 40A | 100A | 200A | ||
Over current protection |
Over current detection current | 80±20A | 120±20A | 120±20A | 120±20A | 300±50A | 600±100A | |
Resistance | Protection circuitry (MOSFET) |
≤20mΩ | ≤20mΩ | ≤20mΩ | ≤20mΩ | ≤20mΩ | ≤20mΩ | |
Current | Current consumption | ≤20μA | ≤20μA | ≤25μA | ≤25μA | ≤20μA | ≤50μA | |
Voltage | Charging voltage | DC:54.6V CC/CV 4.2/cell | ||||||
Balance voltage for single cell | 4.25±0.025V | |||||||
Current | Balance Current for single cell |
42±5mA | ||||||
Over charge Protection |
Over charge detection voltage for single cell | 4.25±0.025V | ||||||
Over charge detection delay time | 500mS-1500mS | customizable | ||||||
Over charge release voltage for single cell | 4.15±0.05V | customizable | ||||||
Over discharge prodectiom |
Over discharge detection volage for singlecell | 2.75±0.08V | customizable | |||||
Over discharge detection delay time | 500mS-1500mS | customizable | ||||||
Over discharge release voltage for single cell | 3.0±1.0V | customizable | ||||||
Over Current Protection | Over Current detection voltage | 0.1±0.025V | customizable | |||||
Release condition | Cut load,Automatic recovery | |||||||
Short protection | Detection condition | Exterior short circuit | ||||||
Detection delay time | 200-500uS | customizable | ||||||
Release condition | Cut load,Automatic recovery | |||||||
Temperature | Operating Temperature Range | -20~+65ºC | customizable | |||||
Storage Temperature Range | -20~+85ºC | customizable |
Lifepo4 Product Specifications-LWS | ||||||||
Product parameters(example:LFion-13S) | ||||||||
15A | 25A | 30A | 40A | 100A | 200A | About yourproducts, just tellus the ratedvoltage / current or application etc ,we will help to recommend the most suitable products for you. | ||
Current | Maxi mal continuous charging current |
15A | 25A | 30A | 40A | 100A | 200A | |
Maxi mal continuous Discharging current |
15A | 25A | 30A | 40A | 100A | 200A | ||
Over current protection |
Over current detection current | 80±20A | 120±20A | 120±20A | 120±20A | 300±50A | 600±100A | |
Resistance | Protection circuitry (MOSFET) |
≤20mΩ | ≤20mΩ | ≤20mΩ | ≤20mΩ | ≤20mΩ | ≤20mΩ | |
Current | Current consumption | ≤20μA | ≤20μA | ≤25μA | ≤25μA | ≤20μA | ≤50μA | |
Voltage | Charging voltage | DC:46.8V CC/CV 3.6/cell | ||||||
Balance voltage for single cell | 3.60±0.025V | |||||||
Current | Balance Current for single cell |
36±5mA | ||||||
Over charge Protection |
Over charge detection voltage for single cell | 3.90±0.025V | ||||||
Over charge detection delay time | 0.5S-2S | customizable | ||||||
Over charge release voltage for single cell | 3.80±0.025V | customizable | ||||||
Over discharge prodectiom |
Over discharge detection volage for singlecell | 2.00±0.05V | customizable | |||||
Over discharge detection delay time | 10mS-200mS | customizable | ||||||
Over discharge release voltage for single cell | 2.50±0.05V | customizable | ||||||
Over Current Protection | Over Current detection voltage | 0.10±0.015V | customizable | |||||
Release condition | Cut load,Automatic recovery | |||||||
Short protection | Detection condition | Exterior short circuit | ||||||
Detection delay time | 200-500uS | customizable | ||||||
Release condition | Cut load,Automatic recovery | |||||||
Temperature | Operating Temperature Range | -40~+65ºC | customizable | |||||
Storage Temperature Range | -40~+125ºC | customizable |
FAQ Q:How can we guarantee quality? |