Fast Shipping On All Items 30 Days Money Guarantee Customer Support Excellent Service 100% Satisfaction Satisfaction Guaranteed Auto Identify MPPT Solar Charge Controller with Remote Control of LCD Display Adjustable Parameters Support Lithium Gel Sealed (40A MPPT Controller with MT50 TS) Specification Item model number Traceran series solar charge controller Batteries required No Country of Origin China Item Weight 5.41 pounds Lens Color 40a Mppt Controller With Mt50 Ts Manufacturer EPEVER Package Dimensions 16.45 x 8.19 x 3.9 inches Included Components Solar Charge Controller 8.19 inches x 16.45 inches x 3.9 inches. Weight: 5.41 lb Item Description 12V 24V system voltage identify (battery voltage) automatic. Fit Solar Panel: 520W(12V) 1040W(24V). Solar panel max input 100V High Efficiency:MPPT tracking efficiency above 99.5% and charge conversion efficiency as high as 98% Extend Battery Live:4 stage charging model Bulk Charge, Boost Charge, Float Charge, and Equalization which make battery more charging safety and battery have more use time All Kind of Protection:MPPT solar charge controller auto decide charge power by internal temperature to protect battery. And solar charge controller have below protection function PV over current, short-circuit and reverse polarity protection, night reverse charging protection, battery revers, over voltage, over-discharging and overheating protection, Lithium battery low temperature protection, load short circuit/overload/device overheating protection and TVS high voltage transients protection 40A MPPT solar cherge controller converter solar power to electric energy solar panel Max Input 100V charge current 40A Return Policy ? We guarantee against any defective or misrepresented products. The original shipping label must be sent back to us to validate the return. A full refund can only be issued during the first 30 days upon receipt of the product. ? Returns will be voided if the product is mishandled or physical damaged by customer. ? Buyer will be responsible for all kind of return shipping/shipment to the seller for resolving the problem. ? Returns made for all non-defective, undamaged products are subject to a 15% restocking fee. Shipping and handling fees are absolutely non-refundable. If an item is returned to us due to an address issue, we do charge a reshipping fee to reship. If you would like a refund, there will be a 15% restocking fee applied. ? All returned products need to be assigned an RMA # (Return Merchandise Authorization #) prior to return. Please contact us through's messaging system to obtain an RMA# for the return. Any returned product without an RMA # on package will not be accepted or processed. ? Please contact us before returning. Feedback ? We appreciate your feedback and our system will automatically leave feedback for you after bid ends. ? Please contact us through message center if you have any problems, we will always try our best for 100% customer satisfaction. Payment Options Shop With Confidence