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20S 72V 40A Li-ion Battery BMS Module Battery Charger Protection Board for EV Industrial Equipment
| Lugar de origen | Dongguan China |
|---|---|
| Nombre de la marca | BAKTH / Neutral / OEM |
| Certificación | IEC62133 |
| Número de modelo | BAKTH-021S100A-0019-01 |
| Cantidad de orden mínima | 2 piezas |
| Precio | USD18.71-30.24 /PC |
| Detalles de empaquetado | Cartón de papel industrial |
| Tiempo de entrega | 3-4 semanas |
| Condiciones de pago | T/T |
| Capacidad de la fuente | 10000pcs/mes |
Póngase en contacto conmigo para muestras y cupones gratis.
Whatsapp:0086 18588475571
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¿ Qué pasa?: sales10@aixton.com
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xDatos del producto
| Tipo | Tablero de protección de batería de litio 20S | Tipo de batería | Li-Ion |
|---|---|---|---|
| Voltaje de detección de carga sobre carga (celda) | 4.250V±0.050V | Voltaje de detección de descarga (celda) | 2.750V±0.050V |
| Sobre la descarga actual | 135A±20A | Sobre carga actual | 40A±10A |
| Temperatura de descarga | -20 ℃ ~ 70 ℃ | Temperatura de carga | -0 ℃ ~ 65 ℃ |
| Corriente de Max.Discharge | 40A | Dimensión | 138*88*12mm |
| Muestra | Disponible | ||
| Resaltar | 72V 40A Li-ion BMS board,EV industrial BMS protection board,20S BMS board with warranty |
||
Descripción de producto
20S 72V 40A Li-ion Battery BMS Module Battery Charger Protection Board for EV Industrial Equipment
The BAKTH-021S100A-0019-01 is a high-voltage, industrial-grade protection board exclusively optimized for 20-cell series (20S) lithium battery packs—supporting Li-ion chemistries—with a maximum discharge current of 40A. While its model code includes “021S” (indicating broad design compatibility) and “100A” (denoting extended current handling potential), it is fine-tuned for 20S configurations (nominal voltage: 74V for Li-ion) and calibrated to deliver stable protection for 40A medium-to-high power applications. This makes it an ideal choice for high-voltage devices like electric mobility gear, industrial tools, and mid-scale energy storage systems.
20S-Specific Protection & 40A High-Current Safeguards
Tailored to address the unique risks of 20-cell high-voltage packs, the board delivers multi-layered protection aligned with 20S dynamics and 40A discharge demands:
- Overcharge Protection: Triggers at 4.25V (Li-ion) per cell, instantly cutting charging current to prevent thermal runaway—critical for 20S packs where cumulative voltage (up to 85V fully charged for Li-ion) amplifies overcharge hazards.
- Undervoltage Protection: Shuts down discharge at 2.5V (Li-ion) per cell, avoiding irreversible capacity loss from “weak cells” that can disable the entire 20S system, especially during 40A high-load operation (e.g., electric motor startup).
- 40A Overcurrent & Short-Circuit Protection: Blocks currents exceeding 40A (max discharge) or 120A (peak surge), shielding the 20S pack and connected devices (e.g., heavy-duty e-scooters, industrial grinders) from burnout during sustained high-power use.
- 20-Cell Active Balancing: Automatically equalizes voltage across all 20 cells during charging, eliminating uneven charge distribution—a persistent challenge in high-cell-count packs. This extends the 20S pack’s lifespan by up to 40% compared to unbalanced systems and maintains consistent 40A discharge performance.
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.
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