An isolated product studio three-quarter view of two identical Bosch EXBA18V-40 EXPERT 18V 4 Ah lithium-ion batteries stacked diagonally on a crisp white background, showcasing their rugged black industrial housings, distinct red release buttons, and prominent red and white product badging labels.
A technical marketing product layout featured on a deep blue background with a white header reading WHAT’S INCLUDED IN THIS KIT, showcasing two 18V EXPERT batteries positioned below a white text callout that reads (2) 18V 4AH TABLESS BATTERIES alongside a red corner badge reading 4Ah.
A close-up action view of a technician wearing a grey and black padded work glove holding a Bosch cordless power tool, highlighting a bright green five-bar LED battery-status indicator illuminated on the side of a connected red and black battery pack below a dark blue graphic text box.
A macro action shot focusing on a worker's gloved hand engaging the integrated recessed finger grip slot along the side base of a Bosch EXPERT 18V battery pack to demonstrate fast tool extraction, sitting above a blue banner text panel.
A dual product compatibility graphic layout under a bold white banner reading ONE 18V PLATFORM UNLIMITED POTENTIAL, comparing a new EXPERT 18V battery slotted into a blue cordless drill on the left side with a previous generation CORE18V battery pack connected to a tool on the right side.
A promotional warranty badge graphic set against a blue background with white Bosch branding, displaying a white shield outline icon containing a checkmark next to white text reading 18V LIMITED WARRANTY, framed beside a solid red square block reading 3 YEAR Battery.
A comprehensive technical comparison specification data table displaying performance metrics for the EXPERT 18V battery range, comparing the EXBA18V-40, EXBA18V-60, EXBA18V-80, and EXBA18V-150 models across dedicated columns detailing voltage, capacity, energy content, maximum power, cell type, dimensions, and net weights.
New Bosch 18V 4 Ah – 15 Ah EXPERT Batteries | Bosch WOC 2026 promotional video
An isolated product studio three-quarter view of two identical Bosch EXBA18V-40 EXPERT 18V 4 Ah lithium-ion batteries stacked diagonally on a crisp white background, showcasing their rugged black industrial housings, distinct red release buttons, and prominent red and white product badging labels.
A technical marketing product layout featured on a deep blue background with a white header reading WHAT’S INCLUDED IN THIS KIT, showcasing two 18V EXPERT batteries positioned below a white text callout that reads (2) 18V 4AH TABLESS BATTERIES alongside a red corner badge reading 4Ah.
A close-up action view of a technician wearing a grey and black padded work glove holding a Bosch cordless power tool, highlighting a bright green five-bar LED battery-status indicator illuminated on the side of a connected red and black battery pack below a dark blue graphic text box.
A macro action shot focusing on a worker's gloved hand engaging the integrated recessed finger grip slot along the side base of a Bosch EXPERT 18V battery pack to demonstrate fast tool extraction, sitting above a blue banner text panel.
A dual product compatibility graphic layout under a bold white banner reading ONE 18V PLATFORM UNLIMITED POTENTIAL, comparing a new EXPERT 18V battery slotted into a blue cordless drill on the left side with a previous generation CORE18V battery pack connected to a tool on the right side.
A promotional warranty badge graphic set against a blue background with white Bosch branding, displaying a white shield outline icon containing a checkmark next to white text reading 18V LIMITED WARRANTY, framed beside a solid red square block reading 3 YEAR Battery.
A comprehensive technical comparison specification data table displaying performance metrics for the EXPERT 18V battery range, comparing the EXBA18V-40, EXBA18V-60, EXBA18V-80, and EXBA18V-150 models across dedicated columns detailing voltage, capacity, energy content, maximum power, cell type, dimensions, and net weights.
New Bosch 18V 4 Ah – 15 Ah EXPERT Batteries | Bosch WOC 2026 promotional video
BOSCH

Bosch Battery Pack EXBA18V-40-2PK 18V 4 Ah EXPERT Tabless Lithium Ion 2 Pack (CoolPack 2.0 TPE Overmold High Power Cordless Tool Power Pack)

Only 2 left
SKU: EXBA18V-40-2PK
$219.00 USD

Description

Bosch Promtional Logo Logout

Bosch EXPERT 18V 4.0 Ah Tabless Lithium-Ion Battery 2-Pack EXBA18V-40-2PK

The Bosch EXBA18V-40-2PK EXPERT 18V 4.0 Ah High Power Lithium-Ion Battery 2-Pack serves as a high-density energy storage system engineered to maximize peak wattage output and continuous runtime across high-draw cordless power tools. Built with single-layer tabless cell architecture to minimize internal electrical resistance, each 18V 4.0 Ah power pack delivers up to 2x more peak power and 35% extended runtime compared to standard 4.0 Ah batteries. Compatible with all Bosch 18V cordless tools and chargers, these heavy-duty batteries feature CoolPack 2.0 thermal management housings, impact-resistant thermoplastic elastomer (TPE) overmolding, and a haptic LED fuel gauge display to ensure sustained power delivery during heavy framing, steel cutting, and rotary hammer drilling applications.

Best Used For:

  • Continuous Heavy-Duty Brushless Tool Operations: Powering high-draw cordless angle grinders, reciprocating saws, rotary hammers, and circular saws without thermal shutdown.
  • High-Temperature Commercial Jobsite Demands: Sustaining full battery discharge rates on hot exterior jobsites using CoolPack 2.0 technology to dissipate internal cell heat.
  • All-Day Dual-Battery Rotary Workflows: Alternating between two 4.0 Ah tabless batteries on a fast charger to maintain continuous 18V power with zero trade downtime.

Key Performance & Safety Features

  • Advanced Tabless Cell Architecture: Eliminates internal connection bottlenecks to lower electrical resistance and double peak wattage delivery to brushless motors.
  • 35% Extended Operational Runtime: Single-layer cell arrangement optimizes current delivery to extend working time up to 35% over baseline 4.0 Ah battery packs.
  • CoolPack 2.0 Thermal Management Housing: Special heat-conductive casing materials pull internal cell friction heat outward to protect lithium chemistry and maximize cycle life.
  • Impact-Resistant TPE Overmold Casing: Thermoplastic elastomer skin absorbs jobsite drops and impact shocks while providing non-slip handling in wet or cold conditions.
  • Haptic Feedback Charge Level Indicator: High-visibility LED fuel gauge features a tactile feedback button for quick, accurate capacity checks under direct sunlight.
  • Universal Bosch 18V System Compatibility: Operates seamlessly across the entire lineup of Bosch 18V cordless power tools and AMPShare ecosystem chargers.

What's Included

  • (2) Bosch EXBA18V-40 EXPERT 18V 4.0 Ah High Power Tabless Lithium-Ion Batteries

Technical Specifications

Brand Name Bosch
Model Number SKU EXBA18V-40-2PK
Series Classification EXPERT 18V High Power Series
Package Quantity 2 Pack (Two Complete Batteries)
Battery Chemistry Profile Lithium-Ion (Li-Ion)
System Voltage Rating 18V DC
Ampere Hour Capacity 4.0 Ah Per Battery (8.0 Ah Total Output)
Cell Construction Architecture Single-Layer Tabless Core Technology
Thermal Management System CoolPack 2.0 Heat Dissipation Casing
Housing Protective Coating Impact-Resistant Thermoplastic Elastomer (TPE)
Individual Battery Dimensions 4.7 in. L x 3.1 in. W x 2.0 in. H
Combined Pack Net Weight 2.6 lbs. (1.18 kg Total)
System Compatibility All Bosch 18V Tools and AMPShare System Chargers

Pro-Tip: To maximize the long-term lifespan of tabless lithium-ion batteries, allow a hot battery to cool for a few minutes before seating it in a fast charger. Taking advantage of the CoolPack 2.0 heat dissipation casing to shed internal thermal energy prior to charging keeps the internal cell temperature low and preserves maximum cycle capacity over years of daily trade use.