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Description
BOSCH GXS18V-15N15 18-Volt 4.0-Ah Lithium-Ion Battery and Charger Starter KitBOSCH GXS18V 15N15 18 Volt 4. 0 Ah Lithium Ion Battery and Charger Starter Kit delivers next gen battery performance and a charger. The CORE18V Compact Battery is the next gen Lithium ion battery to keep the power and runtime, while losing the weight. Engineered with 21700 cell technology, the GBA18V40 single layer battery matches the power from the original two layer 4. 0 Ah battery with improved performance per cell. The Bosch GAL18V 40 charger can
BOSCH GXS18V-15N15 18-Volt 4.0-Ah Lithium-Ion Battery and Charger Starter Kit delivers next-gen battery performance and a charger. The CORE18V Compact Battery is the next-gen Lithium-ion battery to keep the power and runtime, while losing the weight. Engineered with 21700 cell technology, the GBA18V40 single-layer battery matches the power from the original two-layer 4.0 Ah battery with improved performance per cell. The Bosch GAL18V-40 charger can completely charge a discharged CORE18V 4.0 Ah battery to 80% in 48 minutes and to a full charge in about an hour. This dual-stage charger charges the first 80% in standard charging mode and the remaining 20% in long-life mode getting users back to work quickly. It features charging indicator lights showing when the battery is in standard mode, long-life mode or finished charging. The battery provides exclusive CoolPack 2.0 technology to manage the heat of the higher power-density cells, and it provides better cooling than the previous 4.0 Ah double-layer versions.
Features
- Compact 18V battery – provides next-gen power and runtime, while losing the weight, for tools used on the jobsite all day
- Charging convenience – allows users to charge a Bosch 18V 4.0 Ah battery to 80% in 48 minutes or to 100% in about an hour
- High-power cells – use enhanced 21700 cell technology, combined with advanced design, to produce higher power for a longer time
- Cutting-edge cell design – engineered to improve performance in tools used on the jobsite all day
- Bosch-exclusive CoolPack 2.0 technology – cooling the battery 15% faster than previous versions
- Lightest high-power battery – weighs only 1.15 lbs., but provides performance comparable to much heavier batteries
- Battery-status indicator – provides indication if charger is in standard-charging mode, long-life mode or when charging is complete
Specifications
| A-h Capacity | 4.0 |
| Battery | Lithium-Ion Battery |
| Battery Chemistry | Lithium Ion |
| Battery Voltage (V) | 18 |
| Battery Watt Hours | 72.0Wh |
| Height | 1.85" |
| Length | 4.6" |
| Width | 3.0" |
| Weight | 1.15 lb |
| Watts | 800.0 |
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
4.7 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
100% need!
It feels so good!! Absolutely love it!!
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Reviewed in the United States on May 23, 2026
★★★★★ 4
Versatile spray that works well for sensitive skin
Lately I've been hearing so much about hypochlorus acid and its multiple benefits and uses. Being that I really like Coola products, when I saw that Coola had made a hypochlorous acid face spray, I was eager to give it a try. I'm glad I did!
As someone with sensitive skin that gets irritated from perspiration when I work out, I was hoping this spray might calm my post-workout skin...and it did. The mist comes in an attractive spray bottle. The spray that comes out is at the intensity of somewhere between a fine mist and a coarse spray; it sprays a good amount to wet your face rather than just a very fine coating. Upon spraying on my skin that was red and warm from my workout, I immediately felt a cooling effect. I wiped the spray in to my skin a bit, and it both cleared away the perspiration, and felt soothing to my post-workout irritation. It felt very different from other toners or astringents I'd used, and my face felt clean, refreshed and unexpectedly soft after use.
I later tried the recovery mist on a small area of rash I developed on my neck. I had a similar experience in that it cooled the skin, and my rash appeared minimized, as well.
My only issue with this product is the scent. The spray has a scent that smells like a faint version of chlorine bleach...which was disconcerting, since I'm spraying it on my face! I actually looked it up and apparently that's just the scent that hypochlorous acid has...so it's not specific to just Coola's product. Fortunately, the bleachy scent dissipated quickly.
Overall, I'm happy with this product, and found it useful for my irritated skin. While I tried it for post workout skin and a rash, apparently it can be used for bites, scrapes and acne as well, so it seems to be very versatile. So if you can get over the initial bleachy scent, it's definitely worth giving a try. Priced at $20 for the 3.4 ounce bottle, which should last a while, I find it to offer a good value for the money, as well.
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Reviewed in the United States on March 6, 2026
★★★★★ 5
Surprisingly Effective for Redness & Post-Sun Skin Recovery
This stuff actually works. I’ve been using it after sun exposure, and it genuinely seems to help calm, soothe, and hydrate my skin.
I usually spray it on before applying my hydrating serums and moisturizer, so it’s part of a larger skincare routine, but I definitely feel like this mist plays an important role. My skin feels less irritated, looks less red, and just overall more refreshed afterward.
The spray itself is lightweight and easy to use, with no sticky residue or heavy feeling on the skin. It layers well with other skincare products too, which I appreciate.
Overall, this has become a really nice recovery step in my routine—especially after being outdoors or whenever my skin feels stressed and dehydrated. Sometimes skincare products make very dramatic promises and deliver absolutely nothing but scented disappointment. This one quietly does its job.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Truly refreshing right away
I am someone who gets a red face from even the most slight physical exertion, even when I'm in peak physical shape (I've been this way my entire life), so anything that reduces redness and heat is something I'll pretty much instantly try. I already use several other Coola products (their hair sunscreen is amazing) so this was interesting right away. After going on a brisk walk pushing the stroller (while pregnant by the way), I tried this spray on my face and chest. It was genuinely refreshing immediately! It didn't bother my skin, was a good amount of product in one spray, and didn't have any kind of weird smell. Honestly for $20, I would buy this repeatedly every spring/summer, especially in the Midwest! I'm considering ordering an extra bottle just for my daughter to take with her to summer camp. Pro tip: store in the fridge for even more refreshing-ness!
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Reviewed in the United States on April 17, 2026
★★★★★ 4
Amazing ability to calm red, itchy skin but pricier than alternatives
When I saw this product, I was a bit skeptical. I have extremely dry skin that’s prone to red, itchy spots but it seemed unlikely a misty spray would be anywhere near as beneficial as the creams and ointments I’ve turned to over the years. Since I’ve used other COOLA products and really liked them, I decided to give it a try and I was pleasantly surprised. I tried it on a couple of red patches on my face. There’s an immediate feeling of cooling relief (which leads me to believe this would also be a great solution for a burn), but what I found amazing was the redness decreased significantly and immediately. After a few minutes, I was able to put on makeup, forgoing concealer on those spots. I also tried it on a red, itchy spot on my leg, again calming the itch and decreasing the redness.
Just because it seemed unwise to start using hypochlorous acid, the active ingredient in this spray, knowing nothing about it, I did a bit of online research. Apparently, not only is it considered safe and recommended by dermatologists for eczema like conditions, it also is antibacterial and can be used to keep cuts clean and help them heal. I’m sold on the concept of this spray. My one hesitation is that it seems to be more expensive than other similar options – particularly when you do the math to determine cost per ounce. I am a real fan of the COOLA brand, but given that my skin is such that I’ll probably use this regularly, the cost differential may become prohibitive.
I would highly recommend this product for anyone who wants it on hand for the occasional sunburn or blemish. For those like me who would benefit by using it once or more per day, while still singing its praises as to efficacy, I would have to qualify the recommendation due to price.
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Reviewed in the United States on March 4, 2026