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 EXBA18V-40-2PK EXPERT 18V 4 Ah High Power Tabless Lithium Ion Battery 2 Pack Extended Runtime Heavy Duty Cordless Tools Batteries Pack

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

Description

Bosch Promtional Logo Logout

Unleash Double the Instantaneous Power and Extreme Runtime with Advanced Tabless Technology

Eliminate jobsite bottlenecks and extract maximum peak performance from your high-demand cordless equipment with the Bosch EXBA18V-40-2PK EXPERT 18V 4 Ah High Power Battery 2-Pack. Forged around cutting-edge structural tabless cell architecture, these premium industrial-grade power packs systematically lower internal electrical resistance to yield up to 2x more instantaneous maximum power and up to 35% longer continuous runtime than standard CORE18V® 4 Ah battery cells. This specialized single-layer cell development provides an immediate competitive advantage for professional framing contractors, steel fabricators, commercial plumbers, and concrete tradesmen who run high-draw equipment such as heavy reciprocating saws, large angle grinders, rotohammers, and metal shears under continuous mechanical load parameters.

Built to absorb severe physical trauma across harsh jobsite locations, each battery case incorporates a specialized thermoplastic elastomer (TPE) skin coating for superior drop impact resistance and secure, non-slip hand placement. To actively mitigate the primary threat to lithium-ion cell degradation, this set utilizes Bosch-exclusive CoolPack™ 2.0 thermal dissipation housings, which transfer internal friction heat away from the cells significantly faster than conventional cases to maximize operational longevity. Completed with an ergonomic, high-leverage release button for effortless cold-weather swaps, each battery features a highly visible state-of-charge LED monitoring matrix that incorporates an intuitive haptic feedback engagement button to give clear, tactile confirmation of remaining reserves under bright midday sun conditions.

Key Features

  • Advanced Tabless Cell Matrix: Drastically cuts internal circuit resistance to minimize ambient operational thermal heat and boost structural tool torque capabilities.
  • 2x Maximum Instant Power Output: Drives up to 2x more instantaneous peak wattage directly to brushless motors compared to standard baseline lithium power packs.
  • 35% Extended Operational Runtime: Maximizes labor productivity by stretching single-charge operational times up to 35% on all heavy trade applications.
  • Exclusive CoolPack™ 2.0 Thermal Management: Advanced heat-conductive casing material cools internal cell channels efficiently to greatly lengthen overall cycle life.
  • Haptic Battery Status Indicator: Bright, highly visible fuel-gauge status display incorporates a mechanical haptic tactile feedback toggle button for rapid confirmation.
  • Rugged Anti-Fracture TPE Enclosure: Heavy-duty industrial housing features rubberized overmold grip accents and a recessed core layout to survive jobsite drops.

What's Included

  • (2) EXBA18V-40 EXPERT 18V 4 Ah High Power Lithium-Ion Batteries

Specifications

Specification Value
Brand Name Bosch
Model Number / MFG Part # 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 18V
Ampere Hour Rating (Capacity) 4.0 Ah (Per Battery)
Cell Assembly Design Single-Layer Tabless Core Technology
Thermal Management System CoolPack™ 2.0 Heat Dissipation Housing
Product Housing Material Impact-Resistant Thermoplastic Elastomer (TPE Overmold)
Battery Length Dimension 4.7 in.
Battery Width Dimension 3.1 in.
Battery Height Dimension 2.0 in.
Combined Package Net Weight 2.6 lbs.
Tool Compatibility Fitment All Bosch 18V Cordless Tools and Chargers

PRO-TIP: To maximize the investment lifetime of your new EXPERT 18V Tabless High Power packs, always select a high-amperage smart charger like the Bosch Hell-cat or similar active-cooled fast chargers. Standard slow wall docks lack internal communication controls; a dedicated fan-assisted rapid charger monitors independent cell resistance points simultaneously, ensuring your tabless battery receives an optimized, balanced fill pattern that perfectly preserves maximum instantaneous amperage capacity!