---
product_id: 274024820
title: "D250SE, 12V, 20A, Dual Battery Management System With Solar Control"
brand: "ctek"
price: "A$745"
currency: AUD
in_stock: true
reviews_count: 5
category: "Ctek"
url: https://www.desertcart.com.au/products/274024820-d250se-12v-20a-dual-battery-management-system-with-solar-control
store_origin: AU
region: Australia
---

# 20A high-current charging MPPT solar optimization Built-in temperature sensor D250SE, 12V, 20A, Dual Battery Management System With Solar Control

**Brand:** ctek
**Price:** A$745
**Availability:** ✅ In Stock

## Summary

> 🔋 Charge smarter, adventure longer — never get left powerless again!

## Quick Answers

- **What is this?** D250SE, 12V, 20A, Dual Battery Management System With Solar Control by ctek
- **How much does it cost?** A$745 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/274024820-d250se-12v-20a-dual-battery-management-system-with-solar-control)

## 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

- • **Power Up On The Go:** Delivers up to 20A to 12V lead-acid or lithium batteries, keeping your adventure powered without pause.
- • **Solar Smart Charge:** Advanced MPPT solar regulator maximizes every ray, turning your solar panel into a powerhouse.
- • **Dual Battery Mastery:** Seamlessly charges both service and starter batteries, ensuring your vehicle is always ready to roll.
- • **Smart Alternator Compatible:** Works flawlessly with all alternator types, future-proofing your setup with intelligent charging.
- • **Temperature-Tuned Efficiency:** Built-in sensor adapts charging to ambient conditions, squeezing maximum life and performance from your batteries.

## Overview

The CTEK D250SE is a cutting-edge 12V, 20A dual battery management system designed for professional-grade battery care. Featuring selectable charge algorithms for AGM and LiFePO4 batteries, MPPT solar panel regulation, and smart alternator compatibility, it ensures optimal charging performance in all conditions. Its built-in temperature sensor and automatic power distribution between service and starter batteries make it an essential upgrade for millennial professionals who demand reliable power on the move.

## Description

CTEK D250SE, 12V, 20A, Dual Battery Management System With Solar Control : desertcart.ae: Electronics

Review: Quick delivery. Good product
Review: Geiles Teil! Tut genau dass was es soll. Hab es seit knapp einem Jahr in meinem T6 mit 200W Solarpanel verbaut. Läuft!

## 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 |
| Best Sellers Rank | #15,840 in Mobile Phones & Communication Products ( See Top 100 in Mobile Phones & Communication Products ) #204 in Mobile Phone Automobile Chargers |
| Department | Unisex-Adult |
| Item model number | 40-315 |
| Manufacturer | CTEK |
| Product Dimensions | 19.3 x 10.92 x 6.6 cm; 700 g |

## 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

![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 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!

### ⭐⭐⭐⭐⭐ Review
*by M***A on 24 September 2023*

Installato in barca in combinazione con caricabatterie e Smartpass sempre CTEK, funziona benissimo, silenzioso e preciso, ottima qualità, posso stare tranquilla non avrò problemi.

## 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.com.au/products/274024820-d250se-12v-20a-dual-battery-management-system-with-solar-control](https://www.desertcart.com.au/products/274024820-d250se-12v-20a-dual-battery-management-system-with-solar-control)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-20*