




Quick Specifications
| Model | JK-B2A8S-30P |
|---|---|
| Dimensions | 152 x 127 x 16 mm |
| Material | Aluminum Alloy Heat Sink & PCB |
| Balance | 2A Active Equalization |
| Cont. Current | 300A |
| Peak Current | 450A |
| Strings | 3~8S (Li-ion/LiFePO4) or 7~8S (LTO |
| Accessories | Sampling wires, Built-in Bluetooth, NTC Temperature sensors |
| Application Scenarios | Light-duty electric mobility vehicles and DIY battery packs |
Product Video
Product Overview
The JK-B2A8S-30P is the ultimate heavy-duty Battery Management System engineered for extreme power demands. Featuring an extraordinary 300A continuous discharge current and a 600A peak handling capacity, it effortlessly manages industrial-scale loads. Coupled with a fast 2A active balancer, this flagship BMS maximizes the performance and longevity of 3S to 8S lithium battery packs.
Core Industrial Features
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Unmatched Power Output: Designed with an ultra-low internal resistance of just 0.25 mΩ, it sustains a massive 300A current with minimal heat generation.
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High-Speed 2A Balancing: The powerful 2A energy-transfer balancer rapidly resolves cell voltage differences to maintain optimal consistency.
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Advanced Expansion Options: Supports optional battery parallel modules, CAN/RS485 communication, and ACC detection for complex system integrations.
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Extreme Climate Ready: Features built-in low-temperature protection and supports an optional 20A heating function for safe operation in freezing environments.
High-Demand Application Scenarios
Unlike standard residential BMS units, the JK-B2A8S-30P is strictly designed for demanding applications such as commercial battery banks, heavy-duty electric vehicles, and high-capacity industrial off-grid solar inverters.
