Using this anti-reverse diode with a heat sink will result in better performance Solar Anti Backflow Diodes | Md Anti Diode Module | Pv Diodes | Ballasts - Diode Module Dc 55 Amp Anti-reverse Diode Nixesky Solar Diode Anti-Reverse One Way 12V 1 Diodes MD High Power Solar Diode Module MD/MDK 25A - 1000A 2500V PV Photovoltaic Anti Diode For PV Junction Box... The current is 10 20 30 40 50 amps voltage 12v 24v 48v, you can use this 55a MD Rectifier New Energy Photovoltaic Anti-Reverse Diode – DIHOOL is a one-way diode anti-reverse diode module md55a1600v for high-power solar photovoltaic anti-reflux, golf carts, industry, external electronic equipment, direct medium current 55a, reverse repetitive peak voltage 1600v