Product Description
Gen 4 · 6.6KW On board battery charger
CAN Bus
Liquid / Air Cooling
IP67
Key Features
- Wide input range: AC 90V~264V (45~65Hz)
- High efficiency & PF: ≥93% efficiency, Power Factor ≥0.99
- Extreme temperature range: -40°C to +85°C (operation), -40°C to +105°C (storage)
- Dual cooling options: Liquid cooling (HK-LW series) or Enforced air cooling (HK-LF series)
- Smart control: CAN bus control or enable line control
- Complete protection: Output OVP, OCP, short circuit, reverse polarity, input UVP/OVP, over‑temperature
- Mechanical durability: Meets QC/T 895‑2011 (shock & vibration resistance)
- Ingress protection: IP67 (dust‑tight & waterproof)
- Compact & rugged: 270(L) x 230(W) x 110(H) mm (air‑cooled version)
Core Advantages
The 4th generation HK-L series delivers 6.6KW of robust charging power, engineered for demanding environments. With both liquid‑cooled and forced‑air‑cooled variants, it perfectly matches 144V, 312V and 540V lithium battery packs. CAN 2.0B communication ensures seamless BMS integration, ideal for electric trucks, buses, construction machinery, and high‑capacity storage systems.
Dimensions (air‑cooled): 270(L) x 230(W) x 110(H) mm
Rugged IP67 housing, wide operating range, and complete protection suite.
Basic Specifications
| Parameter | Value / Condition |
|---|---|
| Input Voltage Range | AC 90V ~ 264V (single phase) |
| Frequency Range | 45Hz ~ 65Hz |
| Power Factor | ≥0.99 (typical) |
| Full Load Efficiency | ≥93% |
| Mechanical Shock & Vibration | QC/T 895‑2011 compliant |
| Protection Class | IP67 |
| Operating Temperature | -40°C ~ +85°C |
| Storage Temperature | -40°C ~ +105°C |
| Cooling Method | Liquid cooling (HK-LW) / Enforced air cooling (HK-LF) |
| Control Interface | CAN bus (standard) or enable line |
| Protections | Output overvoltage, overcurrent, short circuit, reverse polarity; input undervoltage/overvoltage; over‑temperature |
| Dimensions (Air‑cooled) | 270mm (L) x 230mm (W) x 110mm (H) |
Available Models – Output & Cooling Options
| Rated Voltage | Rated Current | Output Voltage Range | Cooling Method | Li‑ion Battery Model (CAN controlled) |
|---|---|---|---|---|
| 144V | 46A | 50~198V | Liquid Cooling | HK-LW-144-46 |
| 312V | 20A | 110~440V | Liquid Cooling | HK-LW-312-20 |
| 540V | 14A | 163~650V | Liquid Cooling | HK-LW-540-14 |
| 144V | 46A | 50~198V | Enforced Air Cooling | HK-LF-144-46 |
| 312V | 20A | 110~440V | Enforced Air Cooling | HK-LF-312-20 |
| 540V | 14A | 163~650V | Enforced Air Cooling | HK-LF-540-14 |
All models support CAN bus charging control, compatible with 144V/312V/540V Li‑ion battery packs. Custom BMS communication protocols available.
Applications & System Integration
Heavy Machinery & AGVs
High‑performance EVs
Stationary Energy Storage
Marine & Industrial Equipment
Why choose Gen 4 HK-L series? Delivers 6.6KW with liquid or air cooling flexibility, robust IP67 protection, and automotive-grade shock/vibration resistance. Ideal for fast charging of large battery packs up to 650V. Full CAN integration for smart charging profiles and remote monitoring.
