The SUNSHINE P1 Pro Max is a professional 250W intelligent regulated DC power supply designed for mobile phone motherboard repair, battery spot welding, short circuit detection, and comprehensive electronic diagnostics . This all-in-one benchtop tool features a 0-30V adjustable voltage range and 0-20A adjustable current range, making it suitable for everything from delicate phone board repairs to high-current battery applications.

Key Points.

• 0-30V & 0-20A adjustable output – Wide range for phone motherboard repair and high-current applications
• Real-time waveform display – See voltage and current curves on screen; helps spot shorts instantly
• 250W total power – Powerful enough for laptops, phones, tablets, and battery packs
• Built-in battery spot welder – Dual-pulse function for welding nickel strips on lithium batteries 
• PD & QC3.0 fast charging ports – Test and charge phones with fast charging protocols 
• Short circuit detection – Automatically detects shorts on motherboards for faster troubleshooting 
• High precision readings – 0.01V voltage resolution / 0.001A current resolution 
• Rugged metal body – Durable and heat-resistant for daily shop use
• Multi-function tool – Power supply + battery tester + spot welder + fast charger all in one