--- product_id: 274024820 title: "CTEK D250SE, 12V, 20A, Dual Battery Management System With Solar Control" brand: "ctek" price: "2867.80 DT" currency: TND in_stock: true reviews_count: 5 category: "Ctek" url: https://www.desertcart.tn/products/274024820-ctek-d250se-12v-20a-dual-battery-management-system-with-solar store_origin: TN region: Tunisia --- # 20A high-current output Dual battery charging MPPT solar optimization CTEK D250SE, 12V, 20A, Dual Battery Management System With Solar Control **Brand:** ctek **Price:** 2867.80 DT **Availability:** ✅ In Stock ## Summary > 🔋 Stay charged, stay ahead — power your adventures with smart dual-battery control! ## Quick Answers - **What is this?** CTEK D250SE, 12V, 20A, Dual Battery Management System With Solar Control by ctek - **How much does it cost?** 2867.80 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/274024820-ctek-d250se-12v-20a-dual-battery-management-system-with-solar) ## Best For - ctek enthusiasts ## Why This Product - Trusted ctek brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart Solar Synergy:** Integrated MPPT solar regulator maximizes your solar panel’s power output for eco-friendly, efficient charging. - • **Dual Battery Mastery:** Automatically balances charging between your service and starter batteries, ensuring both stay ready for action. - • **Power Up On The Move:** Delivers a robust 20A charge to 12V lead-acid or lithium batteries, keeping your energy flowing wherever you go. - • **Temperature-Tuned Charging:** Built-in sensor adapts charging to ambient conditions, optimizing battery health and longevity. - • **Universal Alternator Compatibility:** Works seamlessly with all alternator types, so you never have to worry about compatibility. ## Overview The CTEK D250SE is a cutting-edge 12V, 20A dual battery management system designed for professional-grade battery support on the go. Featuring selectable charge algorithms for AGM and lithium batteries, MPPT solar panel regulation, and smart alternator compatibility, it ensures optimal charging performance and battery longevity. Its built-in temperature sensor and automatic charge distribution between service and starter batteries make it an essential upgrade for any mobile power setup. ## Description CTEK D250SE, 12V, 20A, Dual Battery Management System With Solar Control : desertcart.ae: Electronics Review: Génial, me recharge ma batterie aux en roulant. Branche sur l’installation électrique d’origine. Rien à redire, excellent. Cher à l’achat mais vaut vraiment le coup. Review: Quick delivery. Good product ## Features - Battery Support On the Go: The D250SE is a fully automatic, on-board charger that supplies up to 20A of power to any 12V lead-acid or lithium* service battery from 40–300Ah. It has selectable charge algorithms for AGM and 12V lithium batteries (*12V LiFePO4). - Smart Alternator Compatible: Full functionality with all types of alternator. - Achieve Maximum Power from Your Solar Output: Solar Panel Regulator with Maximum Power Point Tracking (MPPT) optimises available power. - Charge Service and Starter Batteries: When the service battery is fully charged, the D250SE will automatically redirect maintenance charge power to the starter battery. - Built-In Temperature Sensor: Allows you to achieve maximum charge levels, no matter what the temperature. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07X4YTP1P | | Amperage | 20 Amps | | Best Sellers Rank | #52,273 in Mobile Phones & Communication Products ( See Top 100 in Mobile Phones & Communication Products ) #539 in Mobile Phone Automobile Chargers | | Brand | CTEK | | Built-In Media | D250SE | | Color | Black | | Connector Type Used on Cable | Cigarette Lighter (12V DC) | | Current Rating | 20 Amps | | Customer Reviews | 4.3 4.3 out of 5 stars (164) | | EU Spare Part Availability Duration | 2 Years | | Global Trade Identification Number | 07340103403159 | | Input Voltage | 12 Volts | | Item Dimensions D x W x H | 10.9D x 19.3W x 6.6H centimeters | | Item Type Name | Battery Charger | | Item Weight | 700 Grams | | Manufacturer | CTEK | | Mfr Part Number | 40-315 | | Model Number | 40-315 | | Number of Ports | 2 | | Output Voltage | 12 Volts | | Specification Met | CE | | Unit Count | 1.0 Count | | Warranty Description | 2 | ## Product Details - **Brand:** CTEK - **Colour:** Black - **Item weight:** 700 Grams - **Output voltage:** 12 Volts - **Product dimensions:** 10.9D x 19.3W x 6.6H centimeters ## Images ![CTEK D250SE, 12V, 20A, Dual Battery Management System With Solar Control - Image 1](https://m.media-amazon.com/images/I/51Xrvg-ulFL.jpg) ## Questions & Answers **Q: Wake up to no lights in conversion and amber light is on solid what does this mean how can I fix it?** A: Please contact CTEK directly so we can assist you better. **Q: What voltage should i see if i test on the output for a lifepo4 charging profile (black signal wire to the +)? shouldnt it be 14.6?** A: Please see page 12 of the D250SE user Manual for lithium charge program details including voltages. **Q: Can i use the d250se to charge a 24ah lifepo4 battery?** A: Our D250SE is designed for all types of 12V lead-acid batteries (WET, EFB, Ca/Ca, MF, AGM and GEL) and 12V (4cells) Lithium-ion batteries (Li-FePO4, Li-Fe, Li-iron, LFP) between 40-300Ah. **Q: Is the housing weather proof? Can I mount this under the hood or do I need to wire it into the cabin?** A: The D250SE is IP65 rated (splash and dustproof). It is not waterproof and must be protected from the elements. The D250SE should be mounted with in 6 feet of your service batter/battery bank. This charger requires both a starter battery and service battery. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by J***N on 8 September 2020* Génial, me recharge ma batterie aux en roulant. Branche sur l’installation électrique d’origine. Rien à redire, excellent. Cher à l’achat mais vaut vraiment le coup. ### ⭐⭐⭐⭐⭐ Review *by D***. on 6 February 2025* Quick delivery. Good product ### ⭐⭐⭐⭐⭐ Review *by K***T on 19 November 2025* Geiles Teil! Tut genau dass was es soll. Hab es seit knapp einem Jahr in meinem T6 mit 200W Solarpanel verbaut. Läuft! ## Frequently Bought Together - CTEK D250SE, 20A, 12V Battery Charger For Starter And Service Batteries In RV, Truck And Overlanding Vehicles, Solar Battery Maintainer, 12V Lithium Ion Battery Charger And Smart Alternator Compatible - CTEK SMARTPASS 120S with Installation Kit --- ## 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.tn/products/274024820-ctek-d250se-12v-20a-dual-battery-management-system-with-solar](https://www.desertcart.tn/products/274024820-ctek-d250se-12v-20a-dual-battery-management-system-with-solar) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-07-27*