One E Tech
3300W On-Board Charger | 3300W IP67 | 48V-312V Wide-Voltage OBC
3300W On-Board Charger | 3300W IP67 | 48V-312V Wide-Voltage OBC
The OneE ES-3300W is a premium, ultra-wide voltage on-board charger (OBC) designed for advanced commercial electric vehicles, high-voltage industrial equipment, and specialized EV applications. Delivering 3300W of charging power, it features a robust aluminum housing with IP67 waterproof and dustproof protection, ensuring reliable performance in the most demanding environments. The universal AC input (90–264V, 40–70Hz) allows for global deployment, while the factory-configurable output supports an exceptionally wide range of high-voltage systems from 48V up to 312V. With outstanding efficiency (≥94%) and a power factor of ≥0.99, the ES-3300W maximizes energy transfer and minimizes grid impact. Custom specifications, CAN communication protocols, and OEM branding are available for vehicle manufacturers and fleet operators.
Core Features
IP67 Waterproof & Dustproof
Fully sealed aluminum housing for reliable outdoor and industrial use
Ultra-Wide Voltage Output (48V–312V)
Optimized for advanced commercial EVs and high-voltage battery systems
Universal AC Input (90–264V)
Compatible with US, EU, and global power standards without modification
Wide Operating Temperature
Rated -40°C to +60°C — built for extreme cold storage and hot climates
Ultra-High Efficiency ≥94%
Exceptional power factor (≥0.99) minimizes reactive power and energy costs
OEM / ODM Customization
Custom voltage, current, connector, and private label branding available
Basic Parameters
| Model | ES-3300W | Rated Power | 3300W |
| AC Input Voltage | AC 90–264V | AC Input Current |
≤16A
|
| AC Input Frequency | 40–70Hz | Power Factor | ≥0.99 |
| Efficiency | ≥94% | Charging Mode | Adjustable Dynamic Charging Curve |
| Working Temperature | -40°C ~ +60°C | CAN Communication | Optional |
| LED Indicator | Standard | Protection Level | IP67 |
| Dimensions (L×W×H) | 294 × 210 × 111 mm | Net Weight | 6.0 kg |
Output Specifications
| AC Input Voltage | Rated Output Voltage | Max Output Current |
|---|---|---|
| AC 90–264V | 48V | 42A |
| AC 90–264V | 60V | 40A |
| AC 90–264V | 72V | 40A |
| AC 90–264V | 84V | 40A |
| AC 90–264V | 96V | 32A |
| AC 90–264V | 120V | 25A |
| AC 90–264V | 144V | 23A |
| AC 90–264V | 160V | 15A |
| AC 90–264V | 312V | 10A |
Ready to Order or Need a Custom Spec?
We supply OBC chargers to distributors, EV manufacturers, and fleet operators worldwide. Custom voltage, current, and connector configurations available. Our team typically responds within 24 hours.
