Input

• Nominal AC input voltage: 95~280 VAC
• AC frequency: 50/60 Hz (automatic adaptation)
• Maximum input current: 2 A
• No-load power consumption: < 3 W
• Maximum efficiency: 83%

Output

• Nominal battery voltage: 12 VDC
• Maximum charging current: 6 A DC (factory default: 4 A)
• Charging voltage range: 13.2~14.6 VDC (adjustable)
• Charging current range: 0~6 A DC (adjustable)
• Charging method: Two-stage (constant current first, then constant voltage)
• No-load float voltage: 13.8 VDC (factory default)
• Maximum output power: 72 W

Protection

• Built-in 10A fuse for input protection
• Short-circuit protection (automatic recovery)
• Reverse polarity protection
• Over-temperature protection
• Over-current protection

Environment

• Operating temperature range: -40°C to +70°C
• Storage temperature range: -40°C to +85°C
• Humidity: ≤ 95% (non-condensing)
• Insulation resistance: ≥ 100 MΩ (500 VDC megohmmeter)
• Dielectric strength: AC 2 kV / 1 min (input to output)
• Protection class: IP20

Additional Features

• Switching power supply structure, wide input voltage range
• Suitable for lead-acid starting battery float charging
• Voltage and current adjustable via on-board potentiometers
• LED status indicators (POWER, CHARGING)
• CE certification
• Compatible with generator battery systems

Physical Specifications

• Dimensions: 143 mm (L) × 96 mm (W) × 55 mm (H)
• Net weight: 0.65 kg ± 2%
• Mounting: Panel mounting with screw holes
• Cooling: Natural air cooling via ventilation holes
• Wiring definition: L (AC line), N (AC neutral), B- (battery negative), B+ (battery positive)