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SMART ACTIVE BALANCER 24S 2A (JK-B2A24S) (sa55)
📊 Technical Specifications
| Feature | Detail |
|---|---|
| Model | JK-B2A24S |
| Balancing Method | Active energy-transfer equalization |
| Max Balancing Current | Up to 2 A |
| Cell Support | 2S to 24S (can cascade for larger packs) |
| Voltage Supply Range | ~40 V – 100 V |
| Cell Voltage Range | ~1 V to 5 V per cell |
| Voltage Accuracy | ±3 mV |
| Bluetooth App Support | Android, iOS, HarmonyOS |
| Communication | Bluetooth (no CAN/RS485 on base version) |
| Protection | Low voltage shutdown & line fault detection |
| Operating Temperature | –20 ℃ to +70 ℃ |
| Dimensions | ~157 × 98 × 18.7 mm |
| Power Mode | Battery self-powered (no external supply) |
Original price was: ₹4,499.00.₹3,149.00Current price is: ₹3,149.00.
(Save ₹1,350.00)
Out of stock
Description
SMART ACTIVE BALANCER 24S 2A (JK-B2A24S) (sa55)
The JK-B2A24S is a smart active balancing equalizer designed for large lithium battery packs (up to 24 series cells, e.g., ~72 V nominal). It actively redistributes energy between cells to keep voltages tightly matched, improving battery performance, capacity usage, and cycle life. It’s particularly useful for solar storage, e-vehicles, inverters, and DIY battery systems.
⚙️ Key Features
- Supports 2S–24S battery packs: Works with packs from 2 up to 24 cells in series — suitable for 24S systems (~72 V) and can even be cascaded for higher cell counts.
- Active balancing: Uses energy transfer technology rather than passive bleed resistors, balancing cells more efficiently and with less wasted heat.
- Up to 2 A balancing current: Adjustable between ~0.1 A and 2 A for faster equalization compared to typical passive balancers.
- Bluetooth monitoring: Built-in Bluetooth enables connection to a smartphone (Android, iOS, HarmonyOS) to view real-time cell voltages and module status.
- Accurate voltage acquisition: Monitors each cell with high precision (±3 mV typical).
- Self-powered: Uses the battery pack itself as the power source (40 V – 100 V operating range).
- Cascade support: Can be linked with additional units to balance packs with more than 24 cells in series.
- Robust & safe: Includes equilibrium line resistance diagnostics and protections to prevent damage in abnormal conditions.
More Info
🧠 How It Works (Simple)
Unlike passive balancers that dissipate excess cell energy as heat, this active balancer transfers energy between cells. When higher-voltage cells are detected, the module moves energy to lower-voltage cells until voltages are balanced — leading to more uniform charge/discharge cycles and longer pack life.
🔧 Why It’s Useful
- Keeps large packs balanced faster and more efficiently.
- Improves usable capacity and cycle life of lithium stacks (LiFePO4, Li-ion/NMC, LTO).
- Lets you monitor voltages live through a smartphone app.
- Useful in:
✔️ Solar energy storage packs
✔️ EV / e-bike / scooter battery systems
✔️ DIY power stations and backup power packs
✔️ Any high-voltage lithium battery setup
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