Electric Vehicles Products
Leonics NK ER 4806 / NK ER 6006
Flexible Solutions for 48V or 60V Battery Systems
Whether you’re running a 48V or 60V DC system, these chargers offer robust power and comprehensive protections—ideal for electric vehicles, telecom systems, or industrial machines
Key Specifications
Operating Input Voltage: 230 Vac (Range: 170–300 Vac)
Max Input Current: 6 A (NK ER 4806) / 7 A (NK ER 6006)
Operating Frequency: 50 Hz
Inrush Current: < 30 A
Charging Voltage: 54.5 V* (NK ER 4806) / 67.8 V* (NK ER 6006)
Charging Current: 6 A
Ripple & Noise: Max 750 mV
Output Power: 330 W (NK ER 4806) / 408 W (NK ER 6006)
Stage 1 (Boost): Constant current up to 80% capacity
Stage 2 (Absorption): Constant voltage until 100% capacity
Stage 3 (Float): Maintains the charge
Stage 4 (Re-Charge): Periodic trickle to preserve battery health
Power On LED
Multi-level charging status: >50%, >80%, 100%, etc.
Fault notification (Power LED Off, Charge Indicator LEDs Off)
Input Over-/Under-Voltage: 300 Vac ±15 Vac / 170 Vac ±15 Vac
Output Over-Voltage: 54.5 V / 67.8 V (factory adjustable)
Overload (7.5 A) and Short-Circuit Shutoff
Battery Reverse Protection
Operating Temp: 0–50 °C
Humidity: 5–95% RH (non-condensing)
Cooling: Fan-cooling
Efficiency: ~85% at 100% load
General Product Advantages
Multi-Stage Charging: Boost, Absorption, Float, and (in some models) Re-Charge stages prevent battery damage, enhance performance, and prolong battery life.
Robust Protection: Comprehensive safety features safeguard against over-voltage, under-voltage, overload, short-circuit, and reverse polarity.
High Efficiency: Up to 80–85% efficiency at full load, reducing power losses.
User-Friendly LED Indicators: Real-time feedback on charging progress and fault conditions.
Wide Input Voltage Range: Supports stable operation even in areas with fluctuating grid supply.
Rugged Design: Durable enclosures and fan-cooling support usage in demanding industrial or outdoor environments.