CTS 3.3kW Bidirectional On-Board Charger
CTS1660-M04 series air-cooled bidirectional AC-DC on-board charger supports both battery charging and inverter operation (V2G/V2L). Active PFC, CAN bus communication, and IP67 protection in a complete integrated assembly.
3.3kW Bidirectional On-Board Charger
,Air-Cooled Bidirectional OBC
,Active PFC Bidirectional OBC
3.3kW Bidirectional On-Board Charger
CTS1660-M04 series air-cooled bidirectional AC-DC on-board charger supports both battery charging and inverter operation (V2G/V2L). Active PFC, CAN bus communication, and IP67 protection in a complete integrated assembly.
Charge or Invert — Your Choice
The CTS1660-M04 is a true bidirectional power conversion unit with time-division multiplexed operation. In charging mode, it converts grid AC to DC for battery charging. In inverter mode, it feeds battery DC back to AC — enabling V2G, V2L, and emergency backup power applications.
Built as a complete integrated assembly with air cooling and overtemperature protection, it's ready for direct vehicle installation — no additional enclosure or thermal management required.
Complete Air-Cooled Bidirectional Charger Assembly
The CTS1660-M04 series is a fully integrated 3.3kW bidirectional on-board charger built on a fully digital control platform. Designed for plug-and-play installation in electric vehicles and industrial mobility platforms.
Built on a fully digital control architecture, the charger delivers precise, stable charging performance with advanced control algorithms.
With 90~290VAC full-range active PFC and CAN bus communication with Bootloader support, this charger is ready for global deployment and field-upgradeable firmware.
- Fully digital control technology
- Active PFC — 90~290VAC full range input
- Dual hardware & software protection
- CAN communication with Bootloader support
- Background software — upgradeable built-in parameters
- Air cooling with overtemperature protection / IP67
- Bidirectional conversion — charging or inverter operation
DC/DC
Filtering
Power Supply
System
Control Interface
Bidirectional Power in a Rugged Air-Cooled Package
Bidirectional Power
True two-way power conversion supports both AC-to-DC battery charging and DC-to-AC inverter (V2G/V2L) operation.
Fully Digital Control
Digital power supply architecture delivers precise, stable charging performance with advanced control algorithms.
Active PFC
90~290VAC full-range active power factor correction minimizes harmonic distortion and improves grid efficiency.
Dual Protection
Comprehensive hardware and software protection circuits safeguard against overvoltage, overcurrent, and overtemperature.
CAN Communication
Standard CAN bus interface with Bootloader support enables seamless vehicle integration and remote diagnostics.
Air-Cooled & IP67
Efficient forced-air cooling with overtemperature protection and IP67 rating ensures reliable operation in harsh environments.
6 Standard Models — 48V to 540VDC
Six output voltage configurations cover low-voltage 48V systems up to high-voltage 540V EV platforms. All models are 3.3kW rated and support bidirectional operation.
| Product Model | Rated Vin | Vin Range | Rated Pout | Rated Vout | Vout Range | Iout Range |
|---|---|---|---|---|---|---|
| CTS1666-M04-XX 48V | 220VAC | 90~290VAC | 3.3kW | 48VDC | 0~68VDC | 0~60A |
| CTS1665-M04-XX 72V | 220VAC | 90~290VAC | 3.3kW | 72VDC | 0~95VDC | 0~45A |
| CTS1664-M04-XX 108V | 220VAC | 90~290VAC | 3.3kW | 108VDC | 0~140VDC | 0~30A |
| CTS1663-M04-XX 144V | 220VAC | 90~290VAC | 3.3kW | 144VDC | 0~200VDC | 0~22A |
| CTS1662-M04-XX 360V | 220VAC | 90~290VAC | 3.3kW | 360VDC | 0~500VDC | 0~10A |
| CTS1661-M04-XX 540V | 220VAC | 90~290VAC | 3.3kW | 540VDC | 0~720VDC | 0~6A |
Complete Air-Cooled Assembly, Ready to Install
- Length (L)322 mm
- Width (W)184 mm
- Height (H)124 mm
- Cooling MethodForced Air (Fan)
- Ingress ProtectionIP67
- Power DirectionBidirectional
- Input Range90~290VAC
- CommunicationCAN Bus
Versatile Bidirectional Charging for Diverse Mobility
Electric Vehicles
Forklifts & Industrial
V2G / V2L Applications
Low-Speed EVs
Need Bidirectional Charging for Your Application?
Whether you need a 3.3kW air-cooled OBC for V2G integration or a complete bidirectional charging assembly for your EV platform, our engineering team will help you select the right model.
