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Bosch EXBA18V-40 Expert 18V 4 Ah Battery1 / 7
Product guide

Bosch EXBA18V-40 Expert 18V 4 Ah Battery

The Bosch EXBA18V-40 Expert is a rechargeable 18V, 4 Ah high-power battery for Bosch 18V tools and the AMPShare system. Its tabless-cell design and CoolPack 2.0 are presented as ways to manage heat, while its status light and haptic button make charge status easier to check. The battery is listed at 1.3 pounds, and the package is specified as one battery.

At a glance

  • The listing claims up to 2X more instantaneous maximum power and up to 35% longer runtime than the CORE18V 4 Ah battery. These are comparisons, not standalone performance figures.
  • Tabless cells are described as reducing internal resistance and generated heat.
  • CoolPack 2.0 is claimed to cool the battery faster and support longer life than Bosch 18V batteries without that technology.
  • A visible status light and haptic-feedback button provide battery-state updates.
  • The listing states compatibility with Bosch 18V tools and chargers and the multi-brand AMPShare system.
Price
$79.00Save 50%

Reference price: $159.00

Price checked: Nov 14, 2026

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Often bought together

Pros and cons

Pros

  • The stated 4 Ah capacity and 18V rating identify it for buyers checking a replacement or spare battery for compatible tools.
  • Status light with haptic feedback offers a direct way to check charge state on the battery.
  • The manufacturer describes an ergonomic release button, grippy TPE material and a central recess intended to ease battery changes.

Technical specifications

13 specifications
Identity and compatibility
BrandBosch
ModelBOSCH EXBA18V-40 EXPERT 18V 4 Ah High Power Battery with High-Power Tabless Cells, CoolPack™ 2.0 Technology, and AMPShare™ System Compatibility
Voltage18 volts
Recommended usePower Tool
RechargeabilityRechargeable
Battery and design
Capacity4 Ah
Listed weight1.3 pounds
Cell constructionsingle layer tabless cell construction
Cooling technologyCoolPack 2.0
Battery statushighly visible battery status indicator light that features a haptic feedback button
Performance claims
Maximum instantaneous power versus CORE18V 4 Ahup to 2X more instantaneous maximum power
Runtime versus CORE18V 4 Ahup to 35% longer runtime
Warranty
Warranty descriptionBosch 18V batteries are covered by a three year limited warranty - for details,call 1-877-BOSCH99

What to know before buying

  • The claimed power and runtime gains are comparisons with the CORE18V 4 Ah battery, not promises of a fixed runtime across tools or tasks. Confirm that the battery fits the specific tool and charger, especially when relying on AMPShare compatibility.

What’s in the box

Included
  • 1 EXBA18V-40 Expert 18V 4 Ah high-power battery

Who is it for?

A good fit for

  • Bosch 18V tool owners seeking a compatible 4 Ah spare or replacement battery.
  • Buyers in the AMPShare ecosystem who need a battery listed as compatible across participating cordless products.
  • Users who value an on-battery status indicator and tactile feedback when checking charge.

Less suited to

  • Buyers looking for a battery and charger bundle. The stated package includes one battery only.
  • Anyone needing a specific runtime guarantee, since the listing supplies comparative claims rather than a fixed operating time.
Bosch EXBA18V-40 Expert 18V 4 Ah Battery · photo 2
Additional product photo 2

Customer reviews on Amazon

5 / 5 · 2 ratings
  • 5 stars100%100%
  • 4 stars0%0%
  • 3 stars0%0%
  • 2 stars0%0%
  • 1 star0%0%

Only a very small aggregate rating sample is supplied, and it is entirely five-star. That is limited evidence rather than a dependable picture of long-term performance or compatibility. No customer comments or specific praised features are available, so buyers should weigh the manufacturer's comparative power and runtime claims separately from customer feedback.

Frequently asked questions

What is included with the Bosch EXBA18V-40?

The stated package contents list one EXBA18V-40 Expert 18V 4 Ah high-power battery. No charger is listed.

Which tools is this battery listed as compatible with?

The listing states compatibility with Bosch 18V tools and chargers and the AMPShare system. Check compatibility for the specific tool and charger before buying.

How much more power and runtime does it claim?

The manufacturer claims up to 2X more instantaneous maximum power and up to 35% longer runtime than the CORE18V 4 Ah battery. These are comparative claims, not guaranteed results for every application.

Does it include a charger?

The specified package contents list one battery and do not list a charger.

Bosch EXBA18V-40 Expert 18V 4 Ah Battery · photo 3
Additional product photo 3

Alternative options

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