Name: Bosch Power Tools 114-GBA18V40 Core18V 4.0 Ah Compact Battery
Brand: Bosch
SKU: 7FQB0DIGBZER
Availability: OutOfStock
Rating: 4.8 (115 reviews)

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Bosch Power Tools 114-GBA18V40 Core18V 4.0 Ah Compact Battery

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The Bosch CORE18 V Compact Battery is the next&#45;gen Lithium&#45;ion battery to keep the power and runtime, while losing the weight&#46; The GBA18 V40 single&#45;layer battery features advancements in design to reduce resistance and increase efficiency, to improve the performance&#45;to&#45;weight ratio of tools used on the jobsite all day&#46; Engineered with 21700 cell technology, the battery matches the power from the original two&#45;layer 4&#46;0 Ah battery with improved performance per cell&#46; Bosch engineered the exclusive CoolPack 2&#46;0 technology to manage the heat of the higher power&#45;density cells, and it provides better cooling than the previous&#45;generation CoolPack system&#46; CoolPack 2&#46;0 cools the battery 15&#37; faster than previous 4&#46;0 Ah double&#45;layer versions&#46; Specifications. Battery&#58; 4&#46;0 Ah. Voltage&#58; 18V. Battery Voltage&#58; 18 V. Height&#58; 1&#46;85 in&#46;. Length&#58; 4&#46;6 in&#46;. Width&#58; 3 in. Weight&#58; 1&#46;39 lbs- SKU: ORSNO333224

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[This review was collected as part of a promotion.] My fiancé is really enjoying his experience with the Bosch 18V COREB 18V Lithium-Ion 4.0 Ah Compact Battery.  It gives him great battery power without all of the normal battery weight. He's used it to finish jobs around the house, such as putting up and taking down light fixtures.  It's also being utilized to repair the porch lattice.  I would recommend it to my friends and family.

My fiancé loves it.

boschtools.com

[This review was collected as part of a promotion.] I got the Bosch CORE18V 4 Ah battery, and it's been a game-changer for my tools! It's super lightweight but still packs a ton of power ,way more than my old 2 Ah battery. I can drill, grind, and even do some light chipping without worrying about running out of juice.

The CoolPack technology keeps it from overheating, and the charge-status indicator is super easy to read. I also like that it works with all my Bosch 18V tools and even other AMPShare-compatible products, so I don't need multiple batteries for different tools.

Overall, it's compact, powerful, and reliable , definitely worth upgrading if you want longer runtime and more power for your Bosch tools.

Nice battery!

[This review was collected as part of a promotion.] I have never seen this type of battery pack before. When I opened the box and took it out, I was kinda surprised by how lightweight it was to be18v and 4amp worth of greatness. It does come with a battery indicator on it to tell you how much chart is left and it does last a long time.

Big things come in small packages

[This review was collected as part of a promotion.] This Bosch 18V Advanced Power Battery is a game-changer when paired with the Bosch cordless tools — especially the Bosch 18V Laminate Trim Router. The battery delivers consistent power and impressive runtime, even when tackling tougher materials or extended jobs.

I've been using it regularly with the trim router and the Carbide 2-Flute Flush Trim Bit, and the whole setup feels like a well-matched system. The battery fits snugly, charges quickly with the standard charger, and gives me plenty of time to complete my work without needing to stop and swap batteries.

Even under heavy use, it doesn't overheat or fade — it holds its charge well and performs with the same power output start to finish. I also appreciate the battery level indicator, which is actually accurate and super helpful for planning your day.

If you're already invested in Bosch 18V tools or looking to build a cordless setup, this battery is a must-have. It really brings out the best in the trim router and other compatible tools. Bosch nailed it with this one.

Long-Lasting and Reliable

[This review was collected as part of a promotion.] This bosch battery charger met all my expectations. It kept my power tool charged all day for work! It kept it running strong and efficient! Its made of high quality and durability ! I wpuld highly recommend this product!

High quality battery charger

[This review was collected as part of a promotion.] long lasting 4ah keeps this oscillating tool running. I complete roughly 40 plunge cuts to 2 inch depth on 2x4 and 2x6 had enough battery to almost get through a 1/2 inch of stainless.. that's great for one charge
I appreciate the strong lock up to the tool and nice bright indicator lights.. the battery also loads into the tool in a sideways orientation helping to not develope lose battery lock up from vibration side to side momentum. well thought out design elements

efficient tough well designed

[This review was collected as part of a promotion.] The Core 18V 4.0ah with 800 watts of power is exactly what my project needed. I recommend this battery for any weekend warrior project or task. During my DIY project of creating a custom cat tree/tower for my 2 cats and a fun relaxation station for my pup I never ran out of juice or power required. This battery has the power and longevity to help you from start to finish. I found myself needing a recharge before the battery, which is amazing. I noticed that even when the battery was reaching the level of needing to be charged soon. I had no loss of power or performance. It performs at optimum capacity all throughout. Incredibly happy and pleased! With its longevity and necessary power, it does not take a long time to charge and be put back into action.

Power and Longevity

[This review was collected as part of a promotion.] I love that this battery has a quick and easy charge but last for a long time. I fully charged it and it lasted me all day long on the job. I also like that I had no worries about an over charge. I will definitely be buying more Bosch tools in the future after trying out my new brad nailer. I am stoked to get some more jobs done.

Quick and easy charge

I bought a pair of these and they do not perform like described below.
Quote:
"POWER AND RUNTIME: Delivers 2x the runtime and 60% more power compared to BAT612 18V 2 Ah battery"
End Quote:
With my impact driver I was disappointed in its torque.  I was told the above.  It isn't true. I estimate an additional torque of about 3%.  Sending them back.

More Power = Bull