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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
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Description
Karcher 2.443-060.0 Fast Charger Duo Battery Power 4 V 24430600Charging in record time: Charge up to 2 Battery Power exchangeable batteries up to 80% in just 50 minutes with the Fast Charger Duo and a charging current of 2 2. 5 A. This means that your device is ready for use quickly and long work interruptions are a thing of the past. Perfect for 4 V Battery Power devices requiring 2 batteries. Other features include the anti slip support feet for a steady position, as well as the LED rings beside the insert
Charging in record time: Charge up to 2 Battery Power exchangeable batteries up to 80% in just 50 minutes with the Fast Charger Duo and a charging current of 2 × 2.5 A. This means that your device is ready for use quickly and long work interruptions are a thing of the past. Perfect for 4 V Battery Power devices requiring 2 batteries. Other features include the anti-slip support feet for a steady position, as well as the LED rings beside the insert positions for the batteries, which display the current charging state at all times. Charging is also possible independent of the device storage.
Features and benefits
Parallel fast charge function
Faster operational readiness thanks to fast charge of 2 × 4 V Kärcher Battery Power exchangeable batteries. Charges 2 × 2.5 Ah Kärcher Battery Power exchangeable batteries at the same time up to 80% in just 50 minutes. Permanent battery monitoring for optimal charging process.Intelligent charge management
For maximum safety and energy efficiency. The current charging state is displayed at all times for each battery slot by means of a 3-stage LED display.LED rings with battery charge state indicator
Compatible with all 4 V Kärcher Battery Power exchangeable batteries.Maximum flexibility
- Compatible with 4 V Kärcher Battery Power exchangeable batteries.
- One battery charger for several 4 V Battery Power devices.
- Charging is possible independent of the device storage.
Anti-slip support feet
- For a secure hold, also on slippery and uneven ground.
- No scratching of sensitive surfaces.
Specifications
Technical data
| Battery platform | 4 V battery platform |
| battery charge time with fast charger | 2x 2.5 Ah Battery Power battery: 50 min (80 %) / 70 min (100 %) |
| Charging current (A) | 2 x 2,5 |
| Power supply for battery charger (V/Hz) | 100 - 240 / 50 - 60 |
| Cable length (m) | 1,8 |
| Colour | Black |
| Weight (kg) | 0,3 |
| Weight incl. packaging (kg) | 0,5 |
| Dimensions (L x W x H) (mm) | 89 x 129 x 39 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.9 ★★★★★
Based on 419 reviews
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Product Reviews
★★★★★ 5
Hydrating and Powerful Barrier Repair Serum!💧
This serum has been life-changing in calming and restoring my skin barrier. It absorbs quickly, feels lightweight, and instantly soothes irritation without feeling greasy. I’ve noticed my skin looks healthier and more balanced after just a few uses. It’s gentle enough for sensitive skin and works especially well when my skin barrier feels compromised. It is also fragrance-free, which I always appreciate! Trust me, it’s well worth the money!
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Reviewed in the United States on December 28, 2025
★★★★★ 5
Works as created.
Have been using for a few weeks and have noticed 15% improvement in skin and issues. I did notice a difference in the first 24 hours as advertised. It is suggested need a full month I think to see the true results.
At 50 I have pre menopausal skin issues- the redness & inflammation, acne, tightness and sensitivity. It is helping in addition to the other Avene skin products that come in the trial box for sensitive or SOS skin box trial size I think ot is called.
This has made a difference. It is easy to apply. I use morning and night. It is different from the Cicalfate + Cream. I use that also as needed. I am happy and recommend it. The price is higher than what I spend. But I wanted to try it to see of i need more than just what was in the Avene sensitive skin trial size box they have. My skin is really red and irritated so the $40 for the bottle is was willing to try because it's painful on my face.
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Reviewed in the United States on April 23, 2026
★★★★★ 4
Okay serum, not as good as the cream though
I am obsessed with the cream version of this so I thought I’d give this a try. The dropper top allows for easy application. The formula is light and non greasy and absorbs easily. No harsh fragrances. I would use it when I had eczema flares on my face and feel like it didn’t work near as well in helping with skin irritation as the cream does. As of now I don’t use it as part of my regular skin care. Do I think it’s a bad product? No, but it didn’t really work wonders for me. Not sure I would purchase again.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Helps with redness and softens skin
I have sensitive, mild rosacea skin. Had a facial recently and the aesthetician suggested I get a serum to help with moisturizer as I am almost 40. I’ve tried a lot of serums and either they are sticky and not really hydrating or break my skin out in a rash. This serum is amazing. Helps calm the redness in my cheeks and my skin is moisturized and soft all day. It feels a little sticky at first but it goes away. I apply in this order OSEA sea mineral mist toner to prep the skin, this serum and top off with Chanel La Solution 10 for sensitive skin.
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Reviewed in the United States on December 27, 2025
★★★★★ 5
Sensitive skin
Such a good product. I use after micro needling when skin is sensitive. Also a great product to use as a barrier serum when starting tretinoin cream.
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Reviewed in the United States on April 24, 2026