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High Performance 11S 40V Lithium Battery BMS 15A with Comprehensive Protection

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Shenzhen BAK Technology Co., Ltd.

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High Performance 11S 40V Lithium Battery BMS 15A with Comprehensive Protection

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Brand Name :	BAKTH / Neutral / OEM
Model Number :	BAKTH-011S020A-0130-01
Certification :	IEC62133
Price :	USD 25.2-15.93/PC
Payment Terms :	T/T
Supply Ability :	10000PCS/Month
Delivery Time :	3-4 weeks

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High Performance 11S 40V Lithium Battery BMS 15A with Comprehensive Protection

The BAKTH-011S020A-0130-01 is a precision-engineered protection
board exclusively designed for 11-cell series (11S) lithium battery
packs—covering Li-ion, Li-polymer, and LiFePO4 chemistries—with a
maximum discharge current of 15A. Its model code reveals key design
cues: “011S” confirms native compatibility with 11-series cells,
while “020A” indicates a robust current handling range that aligns
with its 15A max discharge rating. Tailored for high-voltage
(nominal 40.2V for Li-ion, 35.2V for LiFePO4) and medium-power
devices, it balances multi-layered safety with stable performance,
making it ideal for electric tools, portable energy storage units,
and light mobility gear.​
11S-Specific Protection & 15A High-Current Safeguards​
Calibrated to address the unique risks of 11-cell packs, the board
delivers targeted protection optimized for 11S voltage dynamics and
15A discharge demands:​
Overcharge Protection: Triggers at 4.25V (Li-ion)/3.65V (LiFePO4) per cell, instantly
cutting charging current to prevent thermal runaway—critical for
11S packs where cumulative voltage (up to 46.75V fully charged for
Li-ion) amplifies overcharge hazards.​
Undervoltage Protection: Shuts down discharge at 2.5V (Li-ion)/2.0V (LiFePO4) per cell,
avoiding irreversible capacity loss from “weak cells” that can
disable the entire 11S system, especially during 15A high-load
operation.​
15A Overcurrent & Short-Circuit Protection: Blocks currents exceeding 15A (max discharge) or 45A (peak
surge), shielding the 11S pack and connected devices (e.g.,
cordless grinders, small e-scooters) from burnout during startup or
heavy use.​
11-Cell Active Balancing: Automatically equalizes voltage across all 11 cells during
charging, eliminating uneven charge distribution—a major challenge
in high-cell-count packs. This extends the 11S pack’s lifespan by
up to 35% vs. unbalanced systems and maintains consistent 15A
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.

High Performance 11S 40V Lithium Battery BMS 15A with Comprehensive Protection

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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Shenzhen BAK Technology Co., Ltd.

High Performance 11S 40V Lithium Battery BMS 15A with Comprehensive Protection

High Performance 11S 40V Lithium Battery BMS 15A with Comprehensive Protection

High Performance 11S 40V Lithium Battery BMS 15A with Comprehensive Protection

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High Performance 11S 40V Lithium Battery BMS 15A with Comprehensive Protection