Lithium battery balancer
24S 10AMP ACTIVE BALANCER (NEEY)(352s)
Battery testing and diagnostics during manufacturing or maintenance
✔ Balancing and equalization of large battery packs
✔ Solar energy storage systems
✔ Electric vehicle (EV) battery systems
✔ UPS / inverter battery banks
✔ DIY battery builders and repair shops
24S 14A INTELLIGENT AUTOMATIC EQUALIZER (XY-FD14AS24CK) (5335)
📊 Technical Specifications
| Feature | Details |
|---|---|
| Model | XY‑FD14AS24CK |
| Cell Support | 2S – 24S lithium battery packs |
| Max Equalization Current | Up to 14 A |
| Equalization Modes | Automatic identification modes (discharge/voltage/charge) |
| Balanced Voltage Range | 2.0 V – 4.5 V per cell |
| Protection Features | Reverse polarity, over‑voltage, low‑voltage, misconnection warnings |
| Power Supply | 12 V 5 A external |
| Supported Battery Types | Li‑ion, LiFePO4, LTO, and similar lithium chemistries |
| Interface Voltage Tolerance | ±120 V (B‑ to B24 interface) |
| Display / Monitoring | Typically includes multi‑parameter display or status outputs |
| Modes Requiring Charger | Constant‑voltage and charge balance modes require an external charger with adjustable non‑auto‑stop |
24S 15AMP ACTIVE BALANCER (NEEY)(1255)
📊 Typical Specifications
| Feature | Detail |
|---|---|
| Supported Cell Range | 2S – 24S lithium battery packs |
| Maximum Balancing Current | 15 A |
| Voltage Detection Accuracy | ~1 mV |
| Operating Temperature | −20 °C to +45 °C |
| Balancing Method | Active energy transfer |
| Battery Types Supported | Li-ion, LiFePO₄, and similar chemistries |
24S 4AMP ACTIVE BALANCER (NEEY)(15sa)
📊 Typical Technical Specs
| Feature | Details |
|---|---|
| Model / SKU | 24S 4A Active Balancer (NEEY, 15ee) |
| Balancing Type | Active (energy transfer) |
| Max Balancing Current | 4 A |
| Supported Cells | 24S lithium battery packs |
| Battery Types | LiFePO₄, Li-ion, LiPo, NMC |
| Operating Temp | –20 °C to +60 °C |
| Power Source | Battery pack (self-powered) |
| Protections | Overcurrent & reverse-connection |
24S 5A INTELLIGENT AUTOMATIC EQUALIZER (1501)
📊 Technical Specifications
| Feature | Detail |
|---|---|
| Model | XY-FD04AS24G |
| Supported Cells | 2S – 24S lithium battery packs |
| Balancing Current | Up to 5 A |
| Cell Voltage Range | ~2 V–4.5 V per cell |
| Operating Voltage (Input) | Pack dependent (−100 V to +100 V input terminals) |
| Protection | Reverse polarity, overvoltage, undervoltage alarm |
| Display / Info | Cell voltages, total voltage, avg/max/min voltages, differential |
| Power Supply | 12 V 5A external supply required |
| Mode | Fully automatic equalization |
| Use Case | EV battery packs, ESS, solar backup, large DIY powerwalls |
24S 8A INT. AUTOMATIC EQUALIZER (XY-FD24SCG-7) (5a13)
📊 Technical Specifications (Typical)
| Feature | Details |
|---|---|
| Model | XY-FD24SCG-7 |
| Cell Support | 2S – 24S lithium battery packs |
| Maximum Equalization Current | ~8 A (automatic) |
| Equalization Method | Automatic voltage equalization |
| Protection | Overcurrent & overheating safeguards |
| Design | Compact, lightweight, easy to integrate |
| Applications | EVs, solar storage, high-capacity battery systems |
24S 8AMP ACTIVE BALANCER (NEEY) (se12)
📊 Typical Technical Specifications
| Feature | Details |
|---|---|
| Model / Type | 24S 8 A Active Balancer (NEEY, se12-style) |
| Balancing Current | Up to 8 A |
| Cell Support | 2S – 24S lithium packs |
| Balancing Method | Active energy transfer |
| Battery Chemistries | LiFePO4, Li-ion/NMC, LTO — generally supported |
| Voltage Detection Range | Typically ~1.5 V – 4.5 V per cell |
| Communication / App Support | Often Bluetooth &/or CAN (varies by model) |
| Protections | Reverse polarity, wiring faults, undervoltage alerts |
| Operating Temp. | ~–20 °C to +55 °C (typical) |
BALANCER CONNECT BOARD (24S 4AMP) (5834)
- Voltage: Designed for 24-series battery packs
- Current Rating: 4A maximum
- Function: Balances and monitors individual cell voltages in battery packs
- Applications: Used in lithium-ion battery packs, energy storage, and EV systems
- Material: Durable, heat-resistant construction for reliable performance
- Features: Ensures optimal charge distribution and battery health
- Design: Compact, easy to integrate into battery management systems (BMS)
BALANCER CONNECT BOARD (24S 5AMP) (532s)
- Voltage: Designed for 24-series battery packs
- Current Rating: 5A maximum
- Function: Balances individual cell voltages and ensures even charging
- Applications: Suitable for lithium-ion battery packs, energy storage, and electric vehicles
- Material: Durable, heat-resistant construction for long-lasting reliability
- Features: Protects battery health by optimizing charge distribution
- Design: Compact and easy to integrate into battery management systems (BMS)
BALANCER CONNECT BOARD JK (24S 4AMP) (s55a)
- Supports 2S–24S lithium battery packs
- 4 A active balancing current for faster voltage equalization
- Transfers energy between cells (active balancing)
- Easy connection to BMS balance harness
- Compatible with Li‑ion, LiFePO₄, and similar chemistries
- Ideal for EVs, solar storage, UPS, and DIY battery packs
SMART ACTIVE BALANCER 16S 2A (JK-B2A16S) (1b2s)
📊 Technical Specifications
| Feature | Details |
|---|---|
| Model | JK-B2A16S |
| Balance Current | Up to 2 A (active balancing) |
| Cell Support | 2S to 16S packs (best for 16S) |
| Voltage Range | ~40 V – 100 V supply range (typical for 16S packs) |
| Cell Voltage Range | ~1 V – 5 V per cell (monitored) |
| Voltage Accuracy | ±~3–5 mV per cell |
| Bluetooth App Support | Android & iOS (real-time monitoring) |
| Communication | Bluetooth only (no RS485 / CAN in basic version) |
| Protection | Automatic balance activation, low voltage shutdown alerts (via app) |
| Installation | Easy plug-and-play connection with balance leads |
SMART ACTIVE BALANCER 24S 15A (JK-B15A24S) (se5a)
📊 Specifications (Typical)
| Feature | Details |
|---|---|
| Model | JK-B15A24S |
| Balancing Current | Up to 15 A (active balancing) |
| Cell Support | Up to 24S (24 cells in series) |
| Voltage Range | Approx. ~20 V — 100 V supply (suitable for 24S packs) |
| Cell Voltage Monitoring | ~1 V — 5 V per cell |
| Balancing Method | Active energy transfer |
| Bluetooth App Support | Optional (Android/iOS) |
| Communications | Bluetooth (base) — optional CAN/RS485 on advanced models |
| Protection Features | Over/under-voltage alerts, thermal safety, wiring fault protection |
| Efficiency | Faster balancing with less energy loss vs passive balancing |
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















