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) |
SMART ACTIVE BALANCER 24S 4A (JK-B4A24S) (1a35)
📊 Technical Specifications
| Feature | Details |
|---|---|
| Model | JK-B4A24S |
| Balance Current | Up to 4 A (active bidirectional) |
| Cell Support | 2S–24S lithium battery packs |
| Voltage Range | ~20 V–100 V operating (typical for 24S) |
| Cell Voltage Detection | ~1 V–5 V per cell, high precision |
| Voltage Accuracy | ±3 mV typical |
| Bluetooth App Support | iOS & Android |
| Communication | Bluetooth only (no RS485/CAN on base model) |
| Protection Features | Reverse polarity, over/under-voltage, over-temp, wiring error detection |
| Balance Range Setting | Adjustable from ~0.1 A up to 4 A |
| Usage Scenarios | Solar, EV, industrial, inverter battery systems |
SMART ACTIVE BALANCER 24S 5A (JK-B5A24S) (se1a)
📊 Typical Specifications (Generalized for 24S-5A Active Balancer)
| ⚙️ Feature | 🧾 Detail |
|---|---|
| Model Family | 24S Active Balancer (approx. JK-B5A24S) |
| Balance Current | Up to 5 A (active transfer) |
| Cell Support | 4S–24S (Lithium packs) |
| Voltage Range | ~16 V to ~90 V (typical lithium pack range) |
| Balancing Method | Smart Active (energy transfer) |
| Ideal For | LiFePO4 / Li-ion (NMC/NCA) / LTO |
| Mounting Style | Through-wiring or balance harness |
| Protection | Cell over-voltage/under-voltage support (dependent on system) |
SMART ACTIVE BALANCER 8S 2A (JK-B2A8S) (as1c)
Feature Details
Model JK-B2A8S
Balance Current Up to 2 A (active balancing)
Cell Support 2S–8S
Voltage Range 10 V–40 V input
Cell Voltage Range ~1 V–5 V
Voltage Accuracy ±3 mV
Bluetooth App iOS, Android, HarmonyOS
Communication Bluetooth only — no CAN/RS485/NTC on basic unit
Protection Low voltage shutdown & alarms via app
UNIVERSAL CHARGER (BDC2000 99V20A) (1a2b)
- 🔋 High Power Output – 99V / 20A fast charging
- ⚡ Intelligent CC & CV charging system
- 🔄 Adjustable voltage & current settings
- 🔌 Works as Charger & DC Power Supply
- 🔒 Multiple safety protections built-in
- 📊 Digital display for real-time monitoring
- 🌡️ Smart cooling fan for stable performance
- 🔧 Suitable for Lead-Acid & Lithium batteries
- 🚀 Ideal for EVs, E-bikes & battery service centers
UNIVERSAL CHARGER BDC3000 99V40A (a12b)
- 🔋 High Power Output – 99V / 40A for fast, robust charging
- ⚡ Intelligent Multi-Stage Charging (CC → CV → Auto-Cutoff)
- 🔄 Adjustable Voltage & Current to suit various battery types
- 🔌 Dual Mode: Charger & Regulated DC Power Supply
- 📊 Digital Display shows real-time voltage & current
- 🔒 Built-In Safety Protections: Over-current, Short-circuit, Reverse connection
- 🌬️ Efficient Cooling Fan for reliable long-duration use
- 🔧 Wide Compatibility: Lead-Acid & Lithium battery packs
- 🚀 Ideal For: EVs, E-bikes, E-scooters, Battery workshops & service centers





