CTEK D250SE 20A 12V Battery Charger Maintainer Automatic Lithium Smart Alternator Solar Regulator
20A fully automatic temperature compensated charging
CTEK D250SE 20A 12V Battery Charger Maintainer Automatic Lithium Smart Alternator
CTEK D250SE 20A 12V Battery Charger Maintainer Automatic Lithium Smart Alternator
Prompt Shipping / 2 Years Warranty.
"Thousands Now Can Keep Their Car Battery For Longer !"
Your Battery Failed On You (or worse, your spouse). Need A Way To Recharge That Battery Quickly.
Imagine … Your Battery Is Too Flat To Start Your Car And You Won’t Be Able To Go, How Frustrating ! Need A Solution Now!!
Here’s The Good News...
CTEK D250SE 20A 12V Battery Charger Maintainer Automatic Lithium Smart Alternator !
So in my opinion ... having a smart battery charger to keep your battery in optimal condition is paramount.
CTEK D250SE, Battery Charger 12V 20A, for Starter and Service Batteries in RV, Truck and 4x4 Vehicles, Solar Battery Maintainer, 12V Lithium Ion Battery Charger and Smart Alternator Compatible
CTEK Dual Input DC to DC Smart Battery Charger D250SE 12V 20A 40-315
For boaters who love exploring the open water without giving up the comforts of home, reliable power management is key. With the CTEK D250SE paired with a solar panel, enjoying extended time at sea is easier than ever. This combination ranks high among the most effective boat onboard charger solutions – offering seamless, dual-source charging whether you’re docked or on the move.
The CTEK D250SE is designed for those who want to power their boat’s service battery when you don’t have shore power. It draws energy both from the boat’s alternator (also known as a smart alternator) and solar panels, making it the ideal charging solution for off-grid marine adventures. With its fully automatic 20A output and built-in temperature compensation, the D250SE keeps your service battery in top condition, even in varying weather.
Charge While You Cruise
One of the standout benefits of this system is its ability to charge your service battery while on the move. Whether you're sailing to your next fishing spot or cruising the coastline, the D250SE takes power from both the alternator and your solar panel in parallel – ensuring consistent energy delivery without needing to stop or plug in. It's an ideal feature for those who enjoy uninterrupted power for fridges, lights and navigation systems.
Key Features of the D250SE:
- Easy to install with minimal setup required
- 20A fully automatic 5 Steps charging for batteries from 40–300Ah
- Dual input from solar and alternator in parallel
- Smart alternator compatible
- Lithium and lead-acid battery mode selection
- Built-in solar panel regulator with MPPT (Maximum Power Point Tracking)
- No need for separate diodes and VSR relays - it's all built into the one unit
- AGM mode selector – 14.4V or 14.7V charging
- Temperature sensor for hot/cold conditions
- Splash and dust proof (IP65) for rugged marine use
- Splash proof, dustproof and short circuit proof
- Spark free, reverse polarity protected clamps
- No need to disconnect the batteries
- Compatible with SMARTPASS 120/120S for 140A power management
- Two-year warranty for peace of mind
Battery charging on the go
CTEK’s D250SE is a fully automatic, 5-step on-board battery charger and maintainer. It supplies up to 20A of power to any 12V lead-acid or lithium (LiFePO4) service battery
from 40–300Ah and has selectable charge algorithms for AGM and lithium batteries.
It’s fully compatible with all types of alternator, including smart alternators, and will automatically redirect maintenance charge power to the starter battery when the service battery is fully charged.
The D250SE also has a built-in solar panel regulator with Maximum Power Point Tracking (MPPT) to optimize the available power.
The D250SE is compatible with CTEK’s SMARTPASS 120S for the ultimate onboard charging system.
Specifications:
|
Output Voltage |
14.4 Volts (DC) |
|
Input Voltage |
12 Volts |
|
Current Rating |
20 Amps |
|
Amperage |
20 Amps |
|
Compatible Devices |
12V lead-acid or lithium batteries with correct input voltage and current rating |
|
Connector Type Used on Cable |
Battery Clamps |
|
Number of Ports |
2 |
|
Brand |
CTEK |
|
Mfr Part Number |
40-315 |
|
Global Trade Identification Number |
07340103403159 |
|
Manufacturer |
CTEK |
|
Model Number |
40-315 |
|
Item Type Name |
battery charger, battery mantainer |
No need to wait for a Mechanic and pay an expensive fee.
Modern day Battery Charger do not take a lot of space in your car and they are safe to use.
Whats included
- 1 x Battery Charger
- 1 x User Manual
- 1 x Allen Key
Come and grab one of this amazing, versatile, handy and efficient Battery Charger and keep your battery for longer.
Practical Wide Range of Applications
* The Warranty *
2 Years coverage
| - After-Sales Services | - Money Back Guarantee |
| - Genuine Australian Seller | - Australian Distribution |
And remember you risk nothing by saying yes right now. In the unlikely event you are not 100% thrilled and absolutely delighted with your purchase, you will get a prompt and courteous refund
on your investment. So if you are not completely happy for whatever reasons simply contact us and we will rush a full no hassle refund .
FREE Next Day Despatch Australia Wide!!
Fully Insured AU POST With Tracking Number.
Thanks very much for checking out our items & happy shopping!
(CTEKD250)
| SKU | CTEKD250 |
| Barcode # | 07340103403159 |
| Brand | Ctek |
| Shipping Weight | 0.8000kg |
| Shipping Width | 0.180m |
| Shipping Height | 0.080m |
| Shipping Length | 0.320m |
| Shipping Cubic | 0.004608000m3 |
Be The First To Review This Product!
Help other JRAutofix users shop smarter by writing reviews for products you have purchased.
