Wake up to no lights in conversion and amber light is on solid what does this mean how can I fix it?

Please contact CTEK directly so we can assist you better.

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?

Please see page 12 of the D250SE user Manual for lithium charge program details including voltages.

Can i use the d250se to charge a 24ah lifepo4 battery?

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.

Is the housing weather proof? Can I mount this under the hood or do I need to wire it into the cabin?

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.

D250se 12v 20a Dual Battery Management System With Solar Control

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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97257 kr

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Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Charge smarter, drive further — never miss a beat on the road!

SMART SOLAR SYNERGY - Integrated MPPT solar regulator maximizes every ray of sunlight for efficient, eco-friendly charging.
WEATHERPROOF SAFE - Splash, dust, and short circuit proof with spark-free, reverse polarity protected clamps for worry-free operation anywhere.
DUAL BATTERY MASTERY - Automatically balances charging between service and starter batteries, ensuring your vehicle is always ready to roll.
POWER UP ON THE MOVE - Delivers a robust 20A charge to 12V lead-acid or lithium batteries, keeping your adventure powered without pause.
ALL ALTERNATOR COMPATIBLE - Seamlessly works with smart and traditional alternators for hassle-free integration with your vehicle’s electrical system.

The CTEK D250SE is a cutting-edge 12V, 20A dual battery management system designed for professional-grade on-board charging. Featuring selectable AGM and lithium charge algorithms, MPPT solar panel regulation, and full compatibility with smart alternators, it ensures optimal power delivery and battery health in all conditions. Its automatic dual battery charging and built-in temperature sensor make it the ultimate solution for 4x4s, RVs, and trucks seeking reliable, efficient, and intelligent battery support on the go.

Specifications

ASIN	B07X4YTP1P
Amperage	20 Amps
Best Sellers Rank	#56,975 in Mobile Phones & Communication Products ( See Top 100 in Mobile Phones & Communication Products ) #481 in Mobile Phone Automobile Chargers
Brand	CTEK
Built-In Media	D250SE
Color	Black
Colour	Black
Compatible Devices	12V lead-acid or lithium batteries with correct input voltage and current rating
Connector Type Used on Cable	Cigarette Lighter (12V DC)
Country of Origin	China
Current Rating	20 Amps
Customer Reviews	4.4 out of 5 stars 172 Reviews
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
Item weight	700 Grams
Manufacturer	CTEK
Mfr Part Number	40-315
Model Number	40-315
Number of Items	1
Number of Ports	2
Output Voltage	12 Volts
Output voltage	12 Volts
Product dimensions	10.9D x 19.3W x 6.6H centimeters
Specification Met	CE
Specification met	CE
Unit Count	1.0 Count
Warranty Description	2

Reviews

J**N

Excellent produit

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.

8.09.2020

D**.

Quick delivery. Good product

6.02.2025

K**T

Sehr zu empfehlen!

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

19.11.2025

M**A

Ottima qualità

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

24.09.2023

C**I

Reliability

An Excellent product

23.03.2022

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