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10S 36V 15A BMS Split Port w/ Temperature Control | 18650 Li
10S 36V 15A BMS Split Port w/ Temperature Control | 18650 Li
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10S 36V 15A BMS Split Ports with Temperature Control for 18650 Lithium Battery Packs
Keep your scooter or e-bike battery pack running safely and efficiently with this 10S 36V 15A Battery Management System (BMS). Designed for 18650 lithium cell configurations, this compact split-port BMS integrates multi-layer protection circuitry — including overcharge, over-discharge, overcurrent, short circuit, dropped-wire, and temperature control — into a rugged double-sided PCB board. Whether you're building a custom battery pack or replacing a failed protection board, this BMS delivers industrial-grade reliability in a 3.8 × 3.5 cm form factor.
Made in Mainland China.
Key Features
- Comprehensive Protection Suite: Overcharge, over-discharge, overcurrent, short circuit, temperature, and dropped-wire protection for maximum battery safety.
- A-Level IC Components: Uses top-tier industrial/automotive-grade protection ICs and high-quality MOSFETs for stable, long-lasting performance.
- Double-Sided PCB Construction: High anti-corrosion, waterproof-rated conformal coating with ESD high-impedance protection. Silicone + aluminum double-layer heat dissipation keeps temperatures in check.
- Split Port Design: Separate charge and discharge ports for greater control over your battery management workflow.
- Ultra-Low Self-Consumption: Only 30µA max self-consumption, preserving battery capacity during storage and standby.
- Wide Operating Temperature: Rated from -20°C to +70°C for dependable performance in varied environments.
- Scalable Solution: Available in 3S–24S configurations and 5A–200A current ratings — contact us for custom specifications.
Technical Specifications
| Configuration | 10S (36V nominal) |
| Continuous Discharge Current | 15A |
| Overcharge Protection Voltage (per cell) | 4.2V (Min) / 4.25V (Typ) / 4.3V (Max) |
| Overcharge Release Voltage (per cell) | 4.1V (Min) / 4.15V (Typ) / 4.2V (Max) |
| Charge Overcurrent Protection Delay | 500ms (Min) / 1000ms (Typ) / 1500ms (Max) |
| Over-Discharge Protection Voltage (per cell) | 2.6V (Min) / 2.7V (Typ) / 2.8V (Max) |
| Over-Discharge Release Voltage (per cell) | 2.9V (Min) / 3.0V (Typ) / 3.1V (Max) |
| Over-Discharge Delay Time | 3000ms (Min) / 4700ms (Typ) / 6400ms (Max) |
| Short Circuit Protection Delay | 200ms (Min) / 350ms (Typ) / 550ms (Max) |
| Short Circuit Release | Unplug the load |
| Self-Consumption | 30µA (Max) |
| Internal Resistance | 25mΩ (Max) |
| Operating Temperature | -20°C to +70°C |
| Board Dimensions | 3.8 × 3.5 cm |
| Package Contents | 1× BMS board with 1× cable |
What's in the Box?
- 1× 10S 36V 15A BMS Split Port Board
- 1× Wiring Cable
Note: Due to manual measurement, please allow a tolerance of 1–3mm. Monitor colors may vary slightly from the actual product.
Learn More About Battery Safety Standards
For guidance on lithium battery safety and handling, visit the U.S. Consumer Product Safety Commission – Lithium Battery Safety.
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Frequently Asked Questions
Q: What does a 10S BMS mean, and is this compatible with my 36V scooter battery?
A: "10S" refers to a 10-cell series lithium configuration, which produces a nominal voltage of 36V — the most common voltage for e-scooters and e-bikes using 18650 cells. This BMS is specifically designed for 10S 18650 lithium packs at 36V, making it a direct fit for most standard 36V scooter battery builds.
Q: What is the difference between split ports and common port on a BMS?
A: A split-port BMS has separate charge (C-) and discharge (P-) terminals, allowing you to connect the charger and load independently. This provides more precise control and protection compared to a common-port BMS where charge and discharge share a single terminal. Split-port designs are preferred for builds where charge and discharge paths need to be managed separately.
Q: Can I get a custom current or cell-count configuration?
A: Yes! This BMS is available in configurations ranging from 3S to 24S and from 5A to 200A continuous current. Please contact the seller before ordering to confirm the exact specifications match your application requirements.
Q: How does the temperature protection feature work?
A: The built-in temperature control monitors the board and cell temperatures. If temperatures exceed the safe operating threshold, the BMS will automatically cut off charging or discharging to protect your cells and circuitry, then resume normal operation once temperatures return to a safe level.
