Manufacturer | CTEK |
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Brand | CTEK |
Model | CTEK D250SE (40-315), DUAL INPUT 20A CHARGER WITH SELECTABLE CHARGE VOLTAGES |
Item Weight | 1.54 pounds |
Product Dimensions | 7.6 x 4.3 x 2.6 inches |
Country of Origin | China |
Item model number | 40-315 |
Batteries | 1 Unknown batteries required. |
Exterior | Machined |
Manufacturer Part Number | 40-315 |
OEM Part Number | 40-315 |
Voltage | 20 Volts |
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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
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Purchase options and add-ons
Brand | CTEK |
Color | Black |
Product Dimensions | 4.3"D x 7.6"W x 2.6"H |
Item Weight | 700 Grams |
Input Voltage | 12 Volts |
About this item
- Battery Support On the Go: The D250SE is a fully automatic, 5 step charger that supplies up to 20A of power to any 12V lead-acid
- Achieve Nominal Power from Your Solar Output: Solar Panel Regulator with Maximum Power Point Tracking (MPPT) optimizes 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.
- Smart Alternator Compatible: Full functionality with all types of alternators.
- Built-In Temperature Sensor: Allows you to achieve maximum charge levels no matter what the temperature.
- Safe and Easy to Use: Splash and dustproof, designed to protect vehicle electronics and non-sparking, reverse polarity protected, and short-circuit proof. Clean voltage and current delivery ensures no surges or spikes.
- Protects Sensitive Equipment: Unlike less-sophisticated chargers, there is no need to disconnect the battery; the D250SE is specially designed to not damage electronic systems. No overcharge or undercharge ever.
- 2 year warranty
Frequently bought together
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This Item 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 | Recommendations | dummy | dummy | dummy | dummy | |
Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | |
Price | -7% $320.29$320.29 Typical: $345.88 | $529.96$529.96 | $62.97$62.97 | $116.98$116.98 | -28% $84.95$84.95 List: $118.71 | -21% $109.99$109.99 List: $139.45 |
Delivery | Get it as soon as Sunday, Mar 31 | Get it as soon as Sunday, Mar 31 | — | Get it as soon as Thursday, Mar 28 | Get it as soon as Sunday, Mar 31 | Get it as soon as Sunday, Mar 31 |
Customer Ratings | ||||||
Safety Features | — | 4.0 | 4.9 | 5.0 | 4.7 | 4.7 |
Easy to use | — | 4.0 | 4.7 | 5.0 | 4.7 | 4.8 |
Value for money | — | 3.5 | 4.6 | 5.0 | 4.5 | 4.5 |
Sold By | Amazon.com | R/A Hoerr Incorporated | HJDZUS | R/A Hoerr Incorporated | R/A Hoerr Incorporated | R/A Hoerr Incorporated |
input voltage | 12 volts | 12 volts | 110 volts of alternating current | 5 volts | 120 volts | 12 volts |
weight | 700 grams | 4.64 pounds | 1.15 pounds | — | 1.3 pounds | 1.94 pounds |
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From the brand
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Maximizing Battery Performance isn’t just a slogan – it’s right at the heart of everything we do and every product we make. It means we push the boundaries of research and development to bring new battery charging technologies to the market. And we’re ahead of the competition because we constantly improve and constantly innovate. Where others have diversified, we remain focused on maximizing battery performance.
From the manufacturer
CTEK D250SE
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.
Maximizes available power
Compatible with Smart Alternators
Providing up to 20A of power whilst on the move.
Maximizes solar output
Solar Panel Regulator with Maximum Power Point Tracking (MPPT) optimizes available power.
Built-In Temperature Sensor
Allows you to maximize charge levels, no matter what the temperature.
- Fully automatic 20A 5-step battery charger and maintainer
- Compatible with lead-acid and lithium (LiFePO4) batteries
- Works with all types of alternator, including smart alternators
- Solar panel regulator to optimize available power
- Built-in temperature sensor
- Splash proof, dustproof and short circuit proof
- Non sparking, reverse polarity protected clamps
- Automatically redirects power to starter battery when service battery is fully charged
The ultimate off grid charger
- 20A fully automatic temperature compensated charging
- Dual input for alternator and solar in parallel
- Ideal for use in overland vehicles, RVs and trucks
Accessories Available to Take Your Chargers to the Next Level (Sold Separately)
The CTEK SMARTPASS 120S is a 120A Power Management Solution which distributes, controls and maximizes the available energy from your alternator to power service batteries and consumers. SMARTPASS 120S handles all 12V batteries between 28–800Ah. The SMARTPASS 120S’s Battery Guard function ensures that critical equipment such as radio, emergency lights and navigation systems always have power and take priority when the voltage on the service battery is low disconnecting non-critical consumers. The unit’s Battery Guard will protect your service battery from total discharge and built-in over-temperature protection reduces charge current before the battery temperature gets too high. SMARTPASS 120S is compatible with the D250SA and D250SE 20A onboard chargers.
CTEK D250SE Technical Specifications
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) |
Product 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 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 optimised charging, regardless of weather conditions. 12 V: WET, MF, Ca/Ca, AGM, EFB, GEL, LiFePO4, *) 12V lithium batteries (LiFePO4, Li-Fe, Li-iron, LFP)
Product information
Technical Details
Additional Information
ASIN | B07X4YTP1P |
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Customer Reviews |
4.5 out of 5 stars |
Best Sellers Rank | #507,305 in Automotive (See Top 100 in Automotive) #1,159 in Battery Chargers |
Date First Available | September 15, 2019 |
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Daher auch der Preis, Einzigartigkeit verkauft sich halt auch zu diesem Preis gut.