Shenzhen BAK Technology Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 10000PCS/Month |
| Delivery Time | 3-4 weeks |
| Packaging Details | Industrial Paper Carton |
| Type | 2S lithium battery protection board |
| Battery Type | Li-ION |
| Compatible Interface | SMBUS/IIC |
| Over charge detection voltage(Cell) | 4.100V±0.050V |
| Over Discharge Detection Voltage(Cell) | 3.100V±0.050V |
| Over Current Discharge | 25A±0.5A |
| Over Current Charge | 25A±0.5A |
| Discharging Temperature | -22℃~60℃ Adjustable |
| Charge Temperature | 0℃~45℃ Adjustable |
| Max.Discharge Current | 20A |
| Dimension | 120*53.5*2.5 mm |
| Sample | Available |
| Brand Name | BAKTH / Neutral / OEM |
| Model Number | ITL0020200054-01 |
| Certification | IEC62133 |
| Place of Origin | Dongguan China |
View Detail Information
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Product Specification
| Payment Terms | T/T | Supply Ability | 10000PCS/Month |
| Delivery Time | 3-4 weeks | Packaging Details | Industrial Paper Carton |
| Type | 2S lithium battery protection board | Battery Type | Li-ION |
| Compatible Interface | SMBUS/IIC | Over charge detection voltage(Cell) | 4.100V±0.050V |
| Over Discharge Detection Voltage(Cell) | 3.100V±0.050V | Over Current Discharge | 25A±0.5A |
| Over Current Charge | 25A±0.5A | Discharging Temperature | -22℃~60℃ Adjustable |
| Charge Temperature | 0℃~45℃ Adjustable | Max.Discharge Current | 20A |
| Dimension | 120*53.5*2.5 mm | Sample | Available |
| Brand Name | BAKTH / Neutral / OEM | Model Number | ITL0020200054-01 |
| Certification | IEC62133 | Place of Origin | Dongguan China |
| High Light | 2S 7.4V BMS protection board ，18650 lithium battery charger module ，power tool BMS with warranty | ||
2S 7.4V 20A 18650 Lithium Battery Charger Protection Board BMS Module for Power Tool Portable Device
Overcharge Protection: Triggers at 4.1V (Li-ion) per cell (total 8.2V for 2S packs), instantly cutting charging current to prevent cell swelling or thermal runaway—critical for 2S systems where voltage imbalance between two cells can quickly degrade performance.
Undervoltage Protection: Shuts down discharge at 3.1V (Li-ion) per cell (total 6.2V for 2S packs), avoiding irreversible capacity loss from “weak cells” that often plague low-cell-count packs during 20A high-load operation.
20A Overcurrent & Short-Circuit Protection: Blocks currents exceeding 20A (max discharge) or 60A (peak surge), shielding the 2S pack and connected devices (e.g., wireless electric screwdrivers, small portable fans) from burnout during startup or sustained use.
2-Cell Active Balancing: Automatically equalizes voltage across both cells during charging, eliminating the common issue of uneven charge in 2S packs. This extends the battery’s lifespan by up to 30% compared to unbalanced systems and maintains consistent 20A discharge capability.
About Us
Shenzhen BAKTH Technology Co., Ltd. was established in 2002. For 21 years, we've specialized in battery pack assembly and PCM/BMS design and production. Our 5,000-square-meter factory features automated production lines and SMT assembly capabilities.
Certifications
FAQ
What kind of certificate your battery pack owned?
ISO9001, ISO14001, UL, BIS, KC, USTC, CE, CB - our battery packs have reliable quality assurance.
Do you have MOQ?
No limitation - we offer competitive pricing based on order quantity. Sample orders are welcome to test our quality before bulk orders.
What's the warranty? How can we guarantee quality?
Standard warranty is 12 months (negotiable for special products). Our complete production process ensures quality before shipment.
What's the lead time?
Standard products: 3-4 weeks for samples (depending on cell availability), 5-8 weeks for bulk orders (varies by model and quantity).
Can we have our own Logo on the battery pack? Can you accept customized battery?
Yes - our professional R&D team can provide customized solutions according to your requirements.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2002
Total Annual:
15000000-20000000
Employee Number:
100~199
Ecer Certification：
Verified Supplier
Shenzhen BAK Technology Co., Ltd. founded in 2002, with more than 22 years experience in design and production of battery packs and PCB/BMS. BAKTH has its own R&D team, advance production & testing facilities. A fully automatic SMT line was introduced in 2021, further enhanced BAKTH producti... Shenzhen BAK Technology Co., Ltd. founded in 2002, with more than 22 years experience in design and production of battery packs and PCB/BMS. BAKTH has its own R&D team, advance production & testing facilities. A fully automatic SMT line was introduced in 2021, further enhanced BAKTH producti...
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