




Quick Specifications
| Model | JK-B1A8S20P |
|---|---|
| Dimensions | 152 x 127 x 16 mm |
| Material | Aluminum Alloy Heat Sink & PCB |
| Balance | Smart Active Balance (1A Current) |
| Cont. Current | 200A |
| Peak Current | 350A |
| Strings | 3S-8S |
| Accessories | Sampling wires, Built-in Bluetooth, NTC Temperature sensors |
| Application Scenarios | Sampling wires, Built-in Bluetooth, NTC Temperature sensors |
Product Video
Product Overview
The JK-B1A8S-20P is a powerful battery management system designed for mid-to-large capacity lithium battery packs. Delivering a reliable 200A continuous discharge current and up to 400A peak current, it handles demanding loads with ease. Equipped with a 1A active balancer, it efficiently transfers energy to maintain cell voltage consistency and prolong battery life.
Key Features
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Reliable 1A Active Balancing: Utilizes energy transfer technology to continuously equalize cells at 1A.
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Robust 200A Output: The 0.35 mΩ ultra-low internal resistance ensures minimal heat generation even at 200A continuous output.
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Smart Bluetooth Control: Connect to the JK BMS App to monitor voltage, calculate battery capacity, and view accurate time logs.
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Comprehensive Protection: Provides standard protection against overcharge, over-discharge, overcurrent, and short circuits.
Applications & FAQ
Ideal for upgrading RV battery banks, marine energy systems, and standard off-grid solar setups.
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Q: Does it support external communication?
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A: Yes, it features standard UART and display interfaces, and supports optional RS485 and CAN communication for advanced integration.
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