On-Board Charger BG-OBC 20 kW Standalone Series

  • 20 kW output, water cooling, IP67, 25 kg across all variants
  • Flexible grid input: single-phase or three-phase, 90–437 Vac
  • Output voltage range 330–700 Vdc; suits diverse commercial EV battery packs
  • SAE J1772 & EN61851 compliant; multi-grid adaptability with independent control unit
  • Built for harsh environments — vibration, thermal shock, −40°C to +85°C
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The BROGEN 20 kW Standalone OBC Series is a high-performance onboard charging solution designed for commercial electric vehicles. Delivering up to 20 kW of charging power, the series supports a wide AC input range of 90–437 Vac and a DC output range of 330–700 Vdc, enabling compatibility with diverse battery systems and charging infrastructures.

Featuring advanced liquid cooling, IP67 protection, and efficiency of up to 95%, the charger ensures reliable operation in demanding environments. Compliance with SAE J1772 and EN61851 standards, combined with flexible single-phase and three-phase input configurations, provides seamless integration across a wide range of commercial EV platforms.

Built for durability, the series is designed to withstand vibration, thermal shock, and extreme operating temperatures from −40°C to +85°C, delivering dependable performance in the most challenging applications.

BG OBC 20 kW Standalone Series 5
BG OBC 20 kW Standalone Series 4
BG OBC 20 kW Standalone Series 3
BG OBC 20 kW Standalone Series 2

Additional information

Input voltage

90–437 Vac (single-phase or three-phase)

Max Input Current

34–80 A

OBC Max Output Power

20 kW

OBC Output Voltage Range

330–700 Vdc

Max Output Current

up to 80 A

Overall Efficiency

≥95%

Standards Compliance

SAE J1772, EN61851

Cooling Method

Water Cooling

Ambient Temperature

−40°C ~ +85°C

Protection Level

IP67

Weight (kg)

25

Dimensions (L×W×H)

466×325×155 mm ~ 550×396.5×100 mm

Protective Functions

Over-voltage, under-voltage, over-current, short-circuit, over-temperature, communication fault

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