Fast Shipping On All Items 30 Days Money Guarantee Customer Support Excellent Service 100% Satisfaction Satisfaction Guaranteed 40 Amp 12V/24V DC Input MPPT Solar Charge Controller Auto Parameter Adjustable LCD Display Solar Panel Regulator Fit for Gel Sealed Flooded and Lithium Battery Specification Item model number RNG-CTRL-RVR40 Language English Color Black Product Dimensions 6.81"L x 2.85"W x 9.37"H Material Aluminum Country of Origin China Pattern Name controller Voltage 12 Volts (DC) Manufacturer Renogy Is Discontinued By Manufacturer No Brand Renogy Size 40A MPPT 2.85 "h x 6.81 "h x 9.37 "h. Weight: 1.1 kg Item Description ?Innovative MPPT Design?Die-cast aluminium design ensuring excellent heat dissipation and Renogy Maximum Power Point Tracking technology with a high tracking efficiency of up to 99% and peak conversion efficiency of 98% It is the best charging solution even in cloudy environments where the max power point of the solar panels will fluctuate all day ?12V/24V Automatically Detect?Automatically detects 12V or 24V DC system voltages (for Non-Lithium battery types), and the LCD screen and multiple LED indicators display the solar charging and battery operation information, customizable parameters, and error codes ?Full System Protection?Meant to safeguard your system, the self-diagnostic capability can assess and protect against reverse polarity, battery overcharging, battery over-discharging, overload, short-circuiting, and reverse current ?4-Stage Safely Charging?Features 4-stage charging (Bulk, Absorption, Float, and Equalization) of Lead Acid Batteries and 2-stage charging (Bulk and Absorption) for Lithiuim batteries as well as Lithium Reactivation ?Diverse Load Control? Connect DC appliances directly to the optional Load Terminals and monitor consumption or set up timer controls directly from the controller Product Description 1 Optimal MPPT Charging 2 Auto-Identification 3 Li-ion Battery Activation 4 Versatile Load Control 1 Room for Expansion 2 Works with Bluetooth 3 Visualized Energy Data 4 5 Tips on Wiring How should I wire my panels with an MPPT charge controller? The panels can be wired either in series or parallel or a combination of series/parallel. What is the max wattage input on the Rover 40? The Renogy Rover 40A MPPT Solar Charge Controller can accept input of up to 520W for a 12V system, and up to 1040W for a 24V system. Does the Rover 40A MPPT charge controller have a built-in 40A fuse for the rated 40A load output? No. Please always add a fuse between the charge controller and batteries. To determine the fuse size, you can match it to the amperage rating of the charge controller. If you have one of our 40A charge controllers, we recommend using a 40A ANL fuse. What are the advantages of Renogy MPPT technology? Renogy Rover Series solar charge controllers use Power Catcher MPPT algorithm to always ensure the charge controller converts most energy by locking to the most optimal maximum power point. Nominal System Voltage: 12/24V Auto-Detect Max. PV Input Voltage: 100 VDC Rated Charge Current: 40A Power Consumption: ?100mA/12V; ?58mA/24V Max Battery Voltage: 32V Ground Type: Negative Electrical Protection: Overcharging, over-discharging, overload, and short circuit. Capable of charging over-discharged lithium batteries. Protection Level: IP32 Operating Temperature Range: -35C to 45C; -31F to 113F Storage Temperature Range: -35C to 75C; -31F to 167F Operating / Storage Humidity: ? 90%, No Condensation Temperature Compensation: -3mV/C/2V Dimensions : 238 x 172 x 77 mm;9.38 x 6.78 x 3.05 in 2.0kg / 4.41 lb Max. Terminals Size: 8 AWG 10mm2 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