Specs & Features
- Input: 11.5–23V, 25A
- Output: Max 14.4/14.2/14.7V, 20A max
- Back current drain: Less than 1Ah/month
- Ambient temperature: -4°F to +122°F (-20°C to +50°C)
- Battery types: 12V: WET, EFB, Ca/Ca, MF, AGM, GEL, LiFePO4
- Battery capacity: 40–300Ah
- Insulation class: IP65 (splash and dustproof)
- Warranty: 2-year warranty
- *) Back current drain is the current that drains the battery if the charger is not connected to the mains. CTEK chargers has a very low back current.
- 20A fully automatic temperature compensated charging for batteries from 40-300AH while you’re on the move
- Dual input (solar and alternator in parallel)
- Smart alternator compatible
- Selectable lithium* and lead-acid mode
- Solar panel regulator with Maximum Power Point Tracking (MPPT)
Description
The D250SE is a fully automatic, 5 step 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 lithium* batteries and can use power through its dual input from the alternator, solar panel, and wind power. When the service battery is fully charged, the D250SE will automatically redirect maintenance charge power to the starter battery. The D250SE can maintain a stable output up to 20A to vehicles fitted with smart ECU controlled alternators and also has a temperature sensor for optimized charging, regardless of weather conditions.
*) 12V lithium batteries (LiFePO4, Li-Fe, Li-iron, LFP
With award-winning Swedish technology, the dual input D250SE allows you to enjoy your vehicle more with maximized battery capacity as the ideal charger for vehicles without access to a mains power supply.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.Reviews on this product
CTEK Battery Chargers & Tenders
Ordering from Redline360
Redline360 is an Authorized Dealer so we only sell authentic and genuine parts and accessories.
Order updates, tracking and info
Our goal is your complete satisfaction. Upon ordering, you will receive an email confirmation of your order along with your invoice. You will be able to log into our website 24/7 to check on your order at any time. Your order is processed Monday through Friday from 8am to 6pm PST as soon as it is placed. Once your order ships, we will email you a tracking number so you can track your package.
Protect your purchase
Redline360 offers our customers piece of mind! We have partned with Extend to offer you Extend Product Protection and Extend Shipping Protection. Read about each protection that Extend offers to Redline360 customers!
Multiple distribution points ready to serve you!
We ship from multiple locations around the United States so you receive your part as quick as possible. Not every warehouse stocks all the same parts, so the closest warehouse to you that has the part in stock is where your order will ship from. We ship from California, Nevada, Indiana, Michigan, Florida, Texas and Pennsylvania.
Secure Ordering
We take security seriously! We are never exposed to your credit card information, and it's never stored. Credit card transactions go through the credit card processor directly. We also offer various other payment methods such as PayPal, Affirm Financing (Pay over time), Amazon Pay, Apple Pay and more!
Any non CARB compliant items can not ship California. We will notify you if we have to cancel your order.
Some products may be subject to local rules, laws and regulations in certain areas. Always check your local laws to determine legal restrictions. We are not responsible if you buy a product that is not legal in your area.
For items that have free shipping, free shipping only applies to the lower 48 states.
Questions? Contact us.
Actual item may vary from picture