# 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.

- [Original product page](https://best-deals.pro/product/bosch-exba18v-40-expert-18v-4ah-battery)
- [View offer](https://best-deals.pro/visit/bosch-exba18v-40-expert-18v-4ah-battery)
- Market: US
- Language: en-US
- Currency: USD
- Brand: Bosch
- Model: BOSCH EXBA18V-40 EXPERT 18V 4 Ah High Power Battery with High-Power Tabless Cells, CoolPack™ 2.0 Technology, and AMPShare™ System Compatibility
- Price: 79.00 USD
- Previous price: 159.00 USD
- Discount: 50%
- Price checked: 2026-11-14T07:07:51.812Z
- Rating: 5 / 5
- Reviews: 2

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## 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.

## 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.

## Specifications

### Identity and compatibility
- Brand: Bosch
- Model: BOSCH EXBA18V-40 EXPERT 18V 4 Ah High Power Battery with High-Power Tabless Cells, CoolPack™ 2.0 Technology, and AMPShare™ System Compatibility
- Voltage: 18 volts
- Recommended use: Power Tool
- Rechargeability: Rechargeable
### Battery and design
- Capacity: 4 Ah
- Listed weight: 1.3 pounds
- Cell construction: single layer tabless cell construction
- Cooling technology: CoolPack 2.0
- Battery status: highly visible battery status indicator light that features a haptic feedback button
### Performance claims
- Maximum instantaneous power versus CORE18V 4 Ah: up to 2X more instantaneous maximum power
- Runtime versus CORE18V 4 Ah: up to 35% longer runtime
### Warranty
- Warranty description: Bosch 18V batteries are covered by a three year limited warranty - for details,call 1-877-BOSCH99

## Before you buy

- 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.

## In the box

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

## 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.

## Customer feedback

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.

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## Add-ons

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## Images

![Bosch EXBA18V-40 Expert 18V 4 Ah Battery — 1](https://best-deals.pro/i/XUdn6f38Q2uLgA_oaYiyMUyVIGcFVxERAFrj0c7QZjimxRqskGFXDroz8cM2UAhSKIWLbRyabmo9QUkBXw98ZVwlM6eUid_Ci92wuVJpl4yXkelc5Y97nk-q.jpg)

![Bosch EXBA18V-40 Expert 18V 4 Ah Battery — 2](https://best-deals.pro/i/kYE_8M4-81N259SMQX-O34D-cUJp09JJe8r2Z7eboaOQ4kSZLpi8F_jwOiJdhY2nX3iJkDpFTUKYxndQhbHzs_ruVyEf2zk6hjUMkeDmn_aYMtG5OthjlH3r.jpg)

![Bosch EXBA18V-40 Expert 18V 4 Ah Battery — 3](https://best-deals.pro/i/eYdy3MopOfYcR7zYmO0Ldu6DfV_Elh3PQ5hZY602wy4sE2u8HzVtJSntusUKa06t_9d1padA4a2b8vLDV_UQWsCNcjbae7sapjqQHlufzO8H1BmHOgBdFXUh.jpg)

![Bosch EXBA18V-40 Expert 18V 4 Ah Battery — 4](https://best-deals.pro/i/0k3QdKcmNzG8Sy_YTzzxJapd4tU7FhxmMz4dR7T68-01fhdllfU10HQPiu9-YfpymAyZc4hlNxJfbCJYPYPBalH4dfPOb-OKHKLroZjyl1JPaUmmsvx4Bt4k.jpg)

![Bosch EXBA18V-40 Expert 18V 4 Ah Battery — 5](https://best-deals.pro/i/ntaDZ6ioQCVJ5mXWUFJLqI4pKLSlSVpxygOV5ap4uC65mYE3l-M2MkAFM1yCalpBNjyVIQT73cQCh9jebkXxd6BlqSUbzzAwYwlkJgSeVzWQfcDcdXafDKM6.jpg)

![Bosch EXBA18V-40 Expert 18V 4 Ah Battery — 6](https://best-deals.pro/i/7yRfV6RYbFIQx1aDh4haRHYotSJN2q5pByjE47PnSx6FKOrlSlRgKigUglnqnJCJ5GP-lkWbTARJtUcbtMRWHo0u4plZ3tRkRNwoijPJssrQ5RQI7Y0Ewrqh.jpg)

![Bosch EXBA18V-40 Expert 18V 4 Ah Battery — 7](https://best-deals.pro/i/dzQT5M6KXYF-Zp0Gg_XCaxLJw5OxfCygZIEh6TVS1fRW3l5XxSf7cFyBQhhAWwZTadPUaLLceapjRlUq1V2_WYKGNxgPKgpTqynTLsxOwAaPfTN-EpXPH8Gi.jpg)