220V High Quality PT High Frequency Charger — 12V 15A DC Power Supply Converter

The 220V high quality PT high frequency charger is an AC-to-DC power converter that transforms 220V mains electricity into regulated 12V DC output at 15 amperes, designed for forklift battery charging, DC converter applications, and industrial equipment requiring a stable 12V DC power supply from a 220V AC source. The “PT” designation refers to the high-frequency pulse transformer topology — the core technology difference between this modern switch-mode charger and the traditional 50/60 Hz linear transformer chargers still common in older forklift battery rooms. A linear charger uses a large iron-core transformer operating at the mains frequency of 50 Hz, requiring a transformer core mass of 8-15 kg to deliver 15A at 12V, with a typical efficiency of 50-65% where the remaining 35-50% of input power is dissipated as heat. The PT high-frequency design switches the input AC at 50-150 kHz (1,000-3,000 times the mains frequency), enabling a transformer core mass of under 1 kg to deliver the same 15A output, with an efficiency of 85-92%. The 30-35% efficiency improvement means less heat generation, reduced cooling requirements, compact packaging, and a significant reduction in electricity consumption over the charger service life — approximately 800-1,200 kWh saved per year of continuous operation compared to a linear charger of equivalent output.

The charger features regulated output voltage with less than 1% ripple under full load, overload and short-circuit protection with automatic recovery, over-temperature shutdown, and input surge protection. The 15A output is suitable for charging 12V lead-acid batteries with capacities from 60Ah to 200Ah, and for powering 12V DC forklift auxiliary circuits including lighting, instrumentation, and control electronics from a 220V AC mains supply. The compact aluminum housing with integrated cooling fan provides thermal management for continuous operation. Forklift DC converter category.

Technical Specifications

• Type: Switch-mode AC-DC converter / battery charger
• Input: 220V AC, 50/60 Hz
• Output: 12V DC regulated, 15A continuous
• Topology: PT high-frequency pulse transformer, 50-150 kHz
• Efficiency: 85-92%
• Ripple: Less than 1% at full load
• Protection: Overload, short-circuit, over-temperature, input surge
• Battery Capacity: 60Ah-200Ah 12V lead-acid
• Housing: Compact aluminum with cooling fan
• Application: Battery charging, DC power supply

Connect to 220V AC supply with proper earthing. Never reverse the DC output polarity. Baldwin Filters. Kingstream stocks PT high frequency chargers for same-day dispatch — worldwide shipping with online tracking.