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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
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Description
18V CORE18V Lithium-Ion 4.0 Ah Compact BatteryThe Bosch CORE18V Compact Battery is the next gen lithium ion battery that keeps the power and run time while losing the weight. The GBA18V40 single layer battery features advancements in design to reduce resistance and increase efficiency, as well as improving the performance to weight ratio of tools used on the jobsite all day. Engineered with 21700 cell technology, the battery matches the power from the original two layer 4. 0 Ah battery with
The Bosch CORE18V Compact Battery is the next-gen lithium-ion battery that keeps the power and run time while losing the weight. The GBA18V40 single-layer battery features advancements in design to reduce resistance and increase efficiency, as well as improving the performance-to-weight ratio of tools used on the jobsite all day. Engineered with 21700 cell technology, the battery matches the power from the original two-layer 4.0 Ah battery with improved performance per cell. Bosch engineered the exclusive CoolPack 2.0 technology to manage the heat of the higher power density cells, and it provides better cooling than the previous-generation CoolPack system. CoolPack 2.0 cools the battery 15% faster than previous 4.0 Ah double-layer versions.
Features:
- Compact 18V Li-ion battery engineered to provide next-gen power and run time while losing the weight for optimized performance
- High-power cells use enhanced 21700 cell technology, combined with advanced battery design, for greater efficiency
- Cutting-edge cell design engineered to improve performance in tools used on jobsite all day, plus CoolPack 2.0 heat management
- Bosch exclusive CoolPack 2.0 technology cools the battery 15% faster than previous 4.0 Ah double-layer versions
- Lightest high-power battery weighs only 1.15 lb, but provides performance comparable to much heavier batteries
- System features compatibility with all Bosch 18V lithium-ion tools and chargers
- Works in cold weather conditions down to -4° F
Specifications:
- Battery Voltage: 18V
- Amp Hours: 4.0 Ah
- Battery Chemistry: Lithium-Ion
- Warranty: 1 year limited; 2 years with ProVantage
What’s Included:
- (1) Bosch 18V CORE18V Lithium-Ion 4.0 Ah Compact Battery
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
4.8 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
Rustic Wall Shelves That Just Work
Size: 17inch, Color: Black
I bought these six floating shelves to add some storage and a cohesive look to a few walls around the house. The set has a rustic real wood vibe with an industrial edge, and the black finish keeps things feeling clean and understated. It turned out to be a practical way to create space without committing to a bulky cabinet, and I appreciated having multiple pieces to arrange in different rooms.
Installation was straightforward. The package includes 12 brackets, wall anchors and screws, plus clear directions, so I could get them up without much hassle. It takes about eight minutes to mount each shelf, and the hardware feels solid. The shelves can hold around 20 pounds each, which is plenty for everyday items like books, a plant, an alarm clock, or framed photos.
In use, the look is exactly what I wanted: sturdy, simple, and able to blend with existing decor across the bedroom, bathroom, kitchen, and living room. The real wood surface and the exposed metal brackets give a cohesive, rustic vibe that elevates plain walls and makes it easy to rotate items in and out.
One small note is that the boards are 17 inches long and about an inch thick, so planning spacing and wall space matters a bit. The brackets being visible is part of the look, not a flaw, but it means accurate mounting is important. Overall I am very pleased with the set and it earns a solid five stars.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 17, 2026
★★★★★ 5
Great shelves
Size: 17inch, Color: Light Walnut, Size: 17inch, Color: Light Walnut
I love how these look in the nook in my bathroom. I needed 6 inch shelves and this was way easier than ripping 8 inch from the hardware store
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
★★★★★ 5
Great
Size: 36inch, Color: Light Walnut, Size: 36inch, Color: Light Walnut
Got the job done very light weight but durable great condition installation was super easy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
★★★★★ 4
Not a bad buy
Size: 36inch, Color: Light Walnut, Size: 36inch, Color: Light Walnut
Very Light weight, they look great though. Fairly easy to put together. Came with all parts I’ll be it scattered and the screws don’t look sturdy but I won’t be using the ones that it came with. Overall, fair price, quality is fair as well.
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Reviewed in the United States on January 16, 2026
★★★★★ 5
Love these shelves!
Size: 48inch, Color: Light Walnut
These are incredible for the price! Feel & look like wood. Easy-ish to install - just take your time, measure twice & use a level. Very sturdy! Great hardware & instructions. Now my daughter wants some for her apt.
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Reviewed in the United States on February 22, 2025
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