CTEK D250SE Dual Input DC-DC 20A Smart Battery Charger, Power Bank
SKU: 50312869731

CTEK D250SE Dual Input DC-DC 20A Smart Battery Charger, Power Bank

Sale price$144.87 Regular price$160.97
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Description

CTEK D250SE Dual Input DC-DC 20A Smart Battery Charger, Power BankThe CTEK Dual Input 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 40300Ah. 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 battery charger will automatically redirect maintenance charge power to the starter

The CTEK Dual Input 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 battery charger 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.

With award winning Swedish technology, the Dual Input D250SE allows you to enjoy your vehicle more with maximised battery capacity as the ideal charger for vehicles without access to a mains power supply.

The CTEK Dual Input D250SE battery charger features a 2-year warranty. This exclusive combo includes a CTEK Power Bank so that you can charge your electronic devices wherever you go!

Specification


  • Brand: CTEK
  • Battery capacity: 40–300 Ah
  • Charging category: DC charging
  • Back current drain*: Corresponding to less than 1 Ah/month
  • Battery voltage: 12 V
  • Battery chemistry: Lead acid; Lithium-ion
  • Ambient operating temperature: -20 ˚C to +50 ˚C (- 4 °F to +122 °F)
  • Input: 11.5–23 V, 25 A
  • Output: 14.4/14.7 V, 20 A, lead-acid battery types. 14.2 V, 20 A, LiFePO₄.
  • Ripple**: Less than 4 %
  • Battery types: 12 V:; WET; MF; Ca/Ca; AGM; EFB; GEL; LiFePO₄
  • Degree of protection: IP65
  • MPPT: Yes
  • Warranty: 2 years

IN THE BOX

  • 1 x CTEK D250SE Dual Input Battery Charger
  • 1 x CTEK Power Bank
  • 1 x User Manual
  • Note: User Manual is accessible online

SIZE WEIGHT

  • Gross weight (unit in box): 0.9 kg
  • Dimensions (L x W x H): 192 x 110 x 65 mm
  • Net weight (unit with cables): 0.7 kg

SKU: CTEK-40-315-340


We accept Change of Mind returns for 14 days after you have received the item in cases where you have changed your mind or made an incorrect purchase and wish to return the product. This also applies to orders canceled when the item has already been dispatched from our warehouse. The item must be in a re-saleable condition to qualify for a change of mind refund. Deductions may apply including Initial and Return Shipping, as well as restocking fee of 10% of the product price

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 50312869731

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Shannon
Whiting, US
★★★★★ 5
Great deal! Yummy!
Flavor Name: Blue Raspberry, Size: 25.4 Fl Oz (Pack of 1)
Using for our dirty soda bar, this brand is a delicious addition to our flavors! Nice bottle, great price!
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Reviewed in the United States on May 27, 2026
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Nicholas
Bozeman, US
★★★★★ 4
Comparing to the coffee giant version
Flavor Name: Brown Sugar, Size: 25.4 Fl Oz (Pack of 1), Flavor Name: Brown Sugar, Size: 25.4 Fl Oz (Pack of 1)
Starbucks comparison (from a personal standpoint): I’m fortunate enough to have a bottle of Starbucks Brown Sugar. Problem is, I’m almost out. Looking around at some alternative options, and reading the reviews- I see some saying this is a good substitute. Because I happen to have the syrup on hand, I figured I should see if it is, because it would be great given the low cost of DaVinci syrup. This picture I’m attaching is just to see the color difference. Consistency wise, the DaVinci syrup is much lighter, more runny. The Starbucks is definitely a thicker liquid, that runs much slower. Flavor is the big one: DaVinci is lighter on taste, and sweeter. The best way to describe the flavor is comparing DaVinci’s to 100% real maple syrup that’s been diluted down with water. It’s good, but not really similar (in my opinion) to Starbucks Brown Sugar. Starbucks is more smokey in flavor, more strong/bold. My drinks are made using espresso, oak milk, cinnamon powder, and ice. I made my drink the same way, but used DaVinci Syrup this time. I found that the same amount of syrup that I use for the Starbucks, didn’t feel like it had a strong enough flavor. What did I do? I added an extra ounce of DaVinci hoping to get a stronger flavor. The problem is, DaVinci is more sweet than the Starbucks syrup (in my opinion) and ended up making my drink taste too sweet. It’s sweet enough that I’m not going to finish drinking it. I’m not knocking the DaVinci syrup itself. I think it’s a good brand and a good flavor. It’s just not the flavor I was hoping would solve my issue for a Starbucks imitation. I would encourage anyone to still try this syrup, but do so to enjoy it for being its own flavor.
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Reviewed in the United States on January 18, 2026
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Sammie Jo
San Leandro, US
★★★★★ 5
Almost tastes like chocolate milk!
Flavor Name: Chocolate, Size: 11.5 Fl Oz (Pack of 12)
I usually dislike protein drinks. But I need It, and this one actually almost tastes like chocolate milk. I’ve tried the other flavors of this brand, and for me, this is the least protein tasting one. Banana came close.
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Reviewed in the United States on May 13, 2026
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Abhigna Kajiwala
Draper, US
★★★★★ 5
The Gold Standard: Premier Protein Chocolate Shake
Flavor Name: Chocolate, Size: 11.5 Fl Oz (Pack of 12)
The Premier Protein Chocolate Shake is, in my opinion, the benchmark for ready-to-drink protein shakes. Whether you're a serious athlete, a busy professional, or someone trying to hit daily protein goals, this shake delivers on taste, convenience, and macros. Taste & Texture (Surprisingly Good) Let's be honest: most shelf-stable protein shakes taste like chalky chemicals. This is where Premier Protein shines. The Chocolate flavor is rich, creamy, and surprisingly satisfying without being overly sweet. It tastes like a genuine, albeit light, chocolate milk. Crucially, the texture is smooth and velvety; there is virtually no grittiness or unpleasant artificial aftertaste. I genuinely look forward to drinking these, which is half the battle with supplements. They are best enjoyed ice-cold! Unbeatable Nutritional Profile The macros are what make this shake truly exceptional: 30g of High-Quality Protein: Perfect for post-workout recovery, satisfying hunger between meals, or boosting the protein content of coffee/recipes. 1g Sugar & 5g Carbs: This low-carb, low-sugar profile makes it ideal for nearly any diet, including keto and low-glycemic plans. 160 Calories: A great way to add significant protein without excessive calories. Verdict & Best Uses I always keep a case of these shakes stocked. They are a true time-saver for fast breakfast additions, quick muscle fuel after the gym, or a guilt-free late-night snack. If you are struggling to find a convenient, affordable, and high-protein option that actually tastes good, look no further. This product is a staple.
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Reviewed in the United States on December 3, 2025
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diane west
Omaha, US
★★★★★ 5
An easy way to add protein to your diet
Flavor Name: Chocolate, Size: 11.5 Fl Oz (Pack of 12)
A nice way to add more protein to my diet. The taste in the texture are always the same. I like that it doesn’t change.
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Reviewed in the United States on May 7, 2026

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