Description PWM series battery charging (not shunt) LCD Display shows battery voltage ,solar amps and load amps 3-position battery select: gel, sealed or flooded Very accurate control and measurement Jumper to eliminate telecom noise Tropicalization: conformal coating, stainless steel fasteners & anodized aluminum heat sink Current compensated low voltage disconnect (LVD) LED's indicate battery status and faults Capable of 25% overloads Electronic Protections Short-circuit - solar and load Overload - solar and load Reverse polarity Reverse current at night High voltage disconnect High temperature disconnect Lightning and transient surge protection Loads protected from voltage spikes Automatic recovery with all protections Specifications:Model PS-30M Battery VDC(voltage direct currency):12/24 Solar Amps:30A Load Amps:30AWeight:1.1lb ProStar Model Specifications 12/24 volt 30 amps What's in the box: 1PCS Morningstar Prostar PS-30M,Solar Battery Charge Controller Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!