Features – What the Qoltec 52514 Offers

• Product code: 52514
• Input: 220–240 V AC
• Output: 12 V / 24 V
• Charging current: 12 V → 25 A, 24 V → 12 A
• Power: ~ 300 W
• Supported battery capacity: 20 Ah to 300 Ah
• Battery types: AGM, GEL, SLA (VRLA), WET (traditional wet), Calcium (Ca-Ca)
• Charging process: 6 stages (diagnosis, bulk, absorption, float, trickle/pulse, monitoring)
• Repair function: Regeneration of sulfated/old batteries (about 16 hours)
• Display: LCD for monitoring voltage, current, status, etc.
• Protections: Reverse polarity, overvoltage, short circuit, overheating, overcurrent
• Cooling: One fan to prevent overheating
• Operating temperature: from -30 °C to +50 °C
• Dimensions: 135 × 170 × 65 mm
• Weight: ~0.657 kg

Advantages:

• High charging current (25 A at 12 V) for faster charging of large batteries.
• “Repair” function to revive batteries with sulfation or inactivity.
• Supports 12 V and 24 V, and various battery types.
• Automatic charging control with microprocessor to prevent overcharging.
• Safety protections and cooling.

Limitations:

• The “repair” function may require up to 16 hours.
• The connection cable is about 0.5 m long, which may not be sufficient for certain setups.
• It is not a “jump starter” — designed mainly for charging and maintenance.
• Not suitable for batteries over 300 Ah in certain cases.