SOGTICPS 20A MPPT Solar Charger Controller 12V 24V 36V 48V Battery Charger Solar Panel Regulator Max PV Input 150VDC Work with AGM, Gel, Flooded and Lithium The 40A Solar Charge Controller has advanced MPPT technology, 100% MPPT capability, and a built-in DSP controller. for efficient solar energy conversion. 4-stage battery charging algorithm for fast, effective, and secure charging, Compatible with 12V 24V 36V 48V batteries. Controller handles up to 190V solar voltage. For 12V system: 240W solar input power, DC range DC20V to DC150V. For 24V system: 480W input, range DC40-150V. For 36V system: 720W, range DC60-150V. For 48V system: 960W, range DC80-150V. The MPPT controller supports various battery types, including sealed lead acid, lithium, and custom options. It also comes with preset charging parameters for vented gel and LI (LFP) batteries, with the ability to customize charging parameters for other battery types based on your specific energy storage needs. Easy to install and operate, it features a user-friendly LCD display for monitoring PV voltage, battery status, and system parameters. The controller's troubleshooting promotion function helps users identify and resolve any operational issues that may arise during use, making the operational status and processes clear. This controller is equipped with protection functions to prevent PV overcurrent, battery over-discharge, load short circuits, and overheating, ensuring the safety and efficiency of your solar system. The instruction manual provides simple and detailed wiring instructions. Overview: MPPT series solar charge controller is based on an advanced maximum power point tracking (MPPT) technology developed, dedicated to the solar system, the charge controller conversion efficiency up to 97%. Shipping We offer FREE shipping on all orders in US We ship within One-Three business days of payment, usually sooner. We use a selection of shipping services such as UPS, FedEx, USPS etc We offer free shipping to the lower 48 states and ship within 1-3 days of payment, usually sooner. For shipping outside of the continental USA International customers are responsible for all duties and taxes. Return You can return a product for up to 30 days from the date you purchased it. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. 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. Payment We accept payment by any of the following methods Please pay as soon as possible after winning an sale, as that will allow us to post your item to you sooner! Feedback Customer satisfaction is very important to us. If you have any problem with your order, please contact us and we will do our best to make you satisfied. 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. Contact Us If you have any queries, please contact us via. We usually respond within 24 hours on weekdays. Please visit our store to check out other items for sale! Thank you for shopping at our store.