48V 43A 3.3KW LiFePO4 Lithium Battery OBC Charger For Electric Vehicle
Product Overview
Deligreen 3.3KW/6.6KW fully enclosed frequency conversion pulse charger is specifically designed for electric vehicle power batteries according to national standards. This product features high efficiency, compact size, exceptional stability, long lifespan, and IP66 full waterproof technology for safe operation in any weather conditions.
Key Features:
- High efficiency up to 99%
- IP66 waterproof rating
- Wide operating temperature range: -20℃ to +85℃
- Built-in thermal sensor with automatic recovery
- Compact dimensions: 294×210×111mm
- Compatible with LiFePO4 and Li-ion batteries
Technical Specifications
| Parameter |
Specification |
| Model Number |
S2-3.3KW / CDS2-3.3KW |
| Input Voltage |
AC 90-265V (Wide Range) |
| Input Frequency |
45-65Hz |
| Output Power |
3300W @ 220VAC |
| Output Options |
48V/45A, 72V/40A, 84V/40A, 96V/32A, 144V/23A, 312V/10A |
| Cooling Type |
Air Cooling |
| Efficiency |
≥93% (Full Load) |
| Power Factor |
≥0.99 |
| Weight |
6Kg |
| IP Rating |
IP66 |
Electrical Parameters
Main Output:
- Output Type: Constant Voltage/Current
- CV Accuracy: ±1%
- CC Accuracy: ±1%
- Ripple Voltage Coefficient: 5%
Low Voltage Output:
- Output Voltage: 13.8V
- Rated Current: 5A
- Max Current: 5.5A±0.5A
- Output Power: ≥62.5W
Protection Functions
| Protection Type |
Specification |
| Input Over-voltage |
AC264V |
| Input Under-voltage |
AC90V |
| Output Over-voltage |
Yes |
| Over-temperature |
Power down from 85℃, shut off at 90℃ |
| Short Circuit |
Stop output |
| Reverse Battery |
Stop output |
| Ground Protection |
≤100mΩ |
Safety & Environmental Specifications
- Withstand Pressure: 2000VAC (Input to Output/Ground)
- Insulation Resistance: ≥10MΩ @1000VDC
- Electromagnetic Immunity: Satisfies GB/T 18487.3-2001
- Noise Level: ≤60dB(Class A)
- MTBF: 150,000 hours
- Operating Temperature: -20℃ to +85℃
- Storage Temperature: -30℃ to +90℃
- Vibration Resistance: 10-500Hz, each direction 8 hours
Indicator Status Definitions
No Alarm Status:
- Charging: Red light flashes at 1s intervals, green light off
- Heating: Green light flashes at 1s intervals, red light off
- Waiting: Green light always on, red light off
Alarm Status Indicators:
- Hardware failure or DC12V failure: Red, Green pattern
- Communication failure: Red, Green, Red pattern
- DC bus voltage failure: Red, Green, Red, Green pattern
- AC voltage protection: Red, Green, Red, Green, Red pattern
- Battery not connected: Red, Green, Red, Green, Red, Green pattern
Quality & Packaging
- Flat outer surface without scratches or deformation
- Uniform surface coating
- Firmly installed nameplates with clear markings
- Secure fastening of all components
- Comprehensive product labeling including part number, model, and safety warnings
Packaging & Storage:
Products are packaged with printed labels containing model specifications and manufacturer details. Suitable for transportation by car, boat, and airplane. Store in clean, dry environments at 5℃-40℃. Shelf life: 2 years from manufacture date.
Shipping & Delivery
USA Delivery:
Sea + Express (DDP, Tax free)
ETD: 5-8 days | ETA: 25-35 days after sailing
EU Delivery:
Railway + Express (DDP, Tax free)
ETD: 5-8 days | ETA: 30-45 working days after shipping
Frequently Asked Questions
Is CAN protocol available?
Yes, we can supply CAN for your battery communication requirements.
Is there LED indicator light?
Yes, featuring RED/YELLOW/GREEN LED lights for charging status indication.
Can Li-ion battery high-power chargers be charged in constant voltage mode?
Lithium batteries use constant current charging methodology.
About Deligreen Power
Changsha Deligreen Power Co., LTD, founded in 2010, is a "Green Energy Solution Service Provider" specializing in lithium rechargeable batteries, BMS, balancers, chargers and related products. Our applications include electric bicycles, scooters, motorhomes, AGVs, solar/wind systems, energy storage systems, and commercial vehicles.
Our Promise:
- Real lithium capacity specifications
- 100% refund for any quality problems
- 100% replacement for shipping damages
- Lifetime technical support