Fast Shipping On All Items 30 Days Money Guarantee Customer Support Excellent Service 100% Satisfaction Satisfaction Guaranteed 40A MPPT Solar Charge Controller 12V/24V DC Input Digital OLED Display Temp Sensor Negative Ground, 99% Charging Efficiency Solar Regulator for Lithium, Sealed and Flooded Battery Specification Item model number NS24L40 Style 40A MPPT Solar controller Batteries required No Product Dimensions 10.94 x 7.01 x 2.83 inches Item Weight 3.52 pounds Included Components MPPT Solar Charge Controller Manufacturer ECO-WORTHY 7.01 inches x 10.94 inches x 2.83 inches. Weight: 3.52 lb Item Description ?Wide Input-Output Range?Compatible with 12V or 24V DC photovoltaic systems, capable of handling a maximum 560W(12V)/1120W(24V) input solar array, and can provide a maximum 40A output current for the battery pack. ?99% Efficient MPPT Technology?Maximum power point tracking technology, the tracking efficiency is as high as 99%, and the peak conversion efficiency is 98%, which is 40% higher than the traditional PWM charge controller. It can maintain a stable charging current even on cloudy days without wasting any sunlight. ?Compatible with Various Batteries?It is capable of charging and discharging various 12V/24V battery packs, including Gel, AGM, Lithium, LiFePO4, Flooded and NCM/NCA batteries. ?Real-time Monitoring OLED Screen? Equipped with an OLED screen, it can display the status of PV voltage, battery voltage, charging current, charging power, and we can change the battery type setting with buttons. ?4-Stage Safe Charging?Features 4-stage charging (bulk, absorb, float, and equalize) for lead-acid batteries and 2-stage charge (bulk and absorb) for lithium batteries and lithium reactivation Product Description 1 FAST CHARGING 2 ACTIVATE BATTERY 3 SWITCH BATTERY TYPE 4 OLED MONITOR 5 TEMP COMPENSATION 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