--- product_id: 121061348 title: "Onefa MPPT 40A-100A 12V/24V Auto Focus Tracking Solar Panel Regulator Dual USB Port Charge Controller (C)" brand: "onefa" price: "61 zł" currency: PLN in_stock: true category: "Arts Crafts" url: https://www.desertcart.pl/products/121061348-onefa-mppt-40a-100a-12v-24v-auto-focus-tracking-solar store_origin: PL region: Poland --- # Onefa MPPT 40A-100A 12V/24V Auto Focus Tracking Solar Panel Regulator Dual USB Port Charge Controller (C) **Brand:** onefa **Price:** 61 zł **Availability:** ✅ In Stock ## Quick Answers - **What is this?** Onefa MPPT 40A-100A 12V/24V Auto Focus Tracking Solar Panel Regulator Dual USB Port Charge Controller (C) by onefa - **How much does it cost?** 61 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/121061348-onefa-mppt-40a-100a-12v-24v-auto-focus-tracking-solar) ## Best For - onefa enthusiasts ## Why This Product - Trusted onefa brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Color:C ❀Features: ❀ ❀100% brand new and high quality ❀MPPT solar charge controller MPPT10-60: Compared with normal solar charge controller, this MPPT controller could increase efficiency by 10%-30%. ❀This controller can charge and discharge at the same time. ❀This MPPT controller has perfect SOC function, control charge current, and supply power to the loads. ❀ ❀Function: ❀ ❀Always keep the battery on fill voltage condition. ❀Prevent the battery from over-charging. ❀Prevent the battery from over-discharging. ❀Prevent the battery from reverse charging to solar panels during nights. ❀Reverse Polarity Protection for Battery ❀Reverse Polarity Protection for Solar Panels ❀When the battery voltage is low, the controller will automatically cut off the load from the system. If the voltage of battery is back to normal and the load will restart working. ❀Thunder protection ❀According to the battery voltage grade, the controller can automatically set charge-off voltage, the load-off voltage, the load- restore voltage. (The parameter is default under 25℃ condition, locked by the CPU procedure, cannot adjust.) ❀The controller will automatically compensate the temperature of the charging voltage according to the changes of ambient temperature. ❀ ❀Package Includes： ❀ ❀1 x Solar Panels Battery Charge Controller ❀1 x User Manual ## Features - MPPT solar charge controller MPPT10-60: Compared with normal solar charge controller, this MPPT controller could increase efficiency by 10%-30%. - When the battery voltage is low, the controller will automatically cut off the load from the system. If the voltage of battery is back to normal and the load will restart working. - This MPPT controller has perfect SOC function, control charge current, and supply power to the loads. - Prevent the battery from over-charging , over-discharging and reverse charging to solar panels during nights. - Please confirm to buy from "Onefa" , we won't be responsible for other seller's fake products. Any problem please contact with "Onefa" , we will try our best to make it right. And please click "Onefa" to come to our store and get more nice products ## Images ![Onefa MPPT 40A-100A 12V/24V Auto Focus Tracking Solar Panel Regulator Dual USB Port Charge Controller (C) - Image 1](https://images-na.ssl-images-amazon.com/images/I/51RDXI%2Bkp%2BL.jpg) ![Onefa MPPT 40A-100A 12V/24V Auto Focus Tracking Solar Panel Regulator Dual USB Port Charge Controller (C) - Image 2](https://images-na.ssl-images-amazon.com/images/I/415glL0KaJL.jpg) ![Onefa MPPT 40A-100A 12V/24V Auto Focus Tracking Solar Panel Regulator Dual USB Port Charge Controller (C) - Image 3](https://images-na.ssl-images-amazon.com/images/I/417wemGE5HL.jpg) ![Onefa MPPT 40A-100A 12V/24V Auto Focus Tracking Solar Panel Regulator Dual USB Port Charge Controller (C) - Image 4](https://images-na.ssl-images-amazon.com/images/I/41ib47XwImL.jpg) ![Onefa MPPT 40A-100A 12V/24V Auto Focus Tracking Solar Panel Regulator Dual USB Port Charge Controller (C) - Image 5](https://images-na.ssl-images-amazon.com/images/I/415Mq9-XmBL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/121061348-onefa-mppt-40a-100a-12v-24v-auto-focus-tracking-solar](https://www.desertcart.pl/products/121061348-onefa-mppt-40a-100a-12v-24v-auto-focus-tracking-solar) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-25*