The replacement battery for the Metabo HPT BSL36A18 is a rechargeable MultiVolt lithium-ion battery which has been designed for use with compatible Metabo HPT and Hitachi 18V/36V cordless power tools.

The 2-pack battery set has an 18V 6.0Ah capacity or a 36V 3.0Ah output and automatically adjusts itself to work with compatible MultiVolt tools. It is a replacement for battery models such as the BSL36A18 and 372121M.

This replacement battery is suitable for use with both professional and do-it-yourself users and is compatible with certain Metabo HPT MultiVolt drills, saws, impact drivers, grinders, nailers, and other cordless tools.

Metabo HPT BSL36A18 Battery Specifications

MultiVolt 18V/36V Battery Technology

The Metabo HPT MultiVolt battery automatically adjusts voltage based on the compatible tool:

• 36V output with 3.0Ah capacity for MultiVolt 36V tools

• 18V output with 6.0Ah capacity for Metabo HPT and Hitachi 18V tools

This dual-voltage design allows one battery platform to support both 18V and 36V compatible power tools.

2-Pack BSL36A18 Replacement Battery Set

Package includes:

• 2 × BSL36A18 18V/36V MultiVolt Lithium-Ion Batteries

• 1 × User Manual

The two-battery package provides an additional power source for users operating multiple cordless tools or needing a backup battery during work.

Compatible Metabo HPT MultiVolt Battery Models

This replacement battery is compatible with:

• BSL36A18

• BSL36B18

• 371751M

• 372121M

It is designed for compatible Metabo HPT and Hitachi slide-style lithium-ion battery platforms.

Always verify your original battery model before purchase.

Compatible Metabo HPT Battery Chargers

Compatible charger references include:

• UC18YDL2

• UC18YDL

• UC18YTSL

• UC18YFSL

• UC18YML2

• UC18YKSL

• UC18YSL3

• UC36YSL

Use chargers designed for compatible Metabo HPT / Hitachi lithium-ion battery systems.

Compatible Metabo HPT 18V/36V Tools

This MultiVolt replacement battery is designed for compatible cordless tools, including:

Drills and Drivers

• Hammer Drills

• Impact Drivers

• Impact Wrenches

• Rotary Hammers

Saws

• Circular Saws

• Sliding Miter Saws

• Dual Bevel Miter Saws

• Table Saws

• Reciprocating Saws

• Jig Saws

• Deep Cut Band Saws

Other Power Tools

• Brushless Rebar Benders

• Brushless Rebar Cutters

• Duplex Nailers

• Grinders

• Wet/Dry Pod Style Vacuums

Compatibility depends on the specific Metabo HPT or Hitachi tool model and battery connection.

Lithium-Ion Battery Features

This replacement battery uses lithium-ion battery technology.

Features include:

• Rechargeable lithium-ion cells

• MultiVolt 18V/36V compatibility

• LED battery level indicator

• Cooling system design

• Protection functions for normal battery operation

LED Battery Indicator

The battery includes a 4-level LED indicator.

Users can press the battery indicator button to check remaining charge before and during operation.

Cooling System Design

The battery includes a cooling system designed to help manage heat during charging and tool operation.

Proper charging, storage, and operating conditions help maintain battery performance.

How to Check BSL36A18 Battery Compatibility

Before purchasing, confirm:

1. Brand: Metabo HPT or Hitachi

2. Battery Model: BSL36A18 / 372121M

3. Battery System: MultiVolt 18V/36V

4. Tool Platform: Compatible slide-type lithium-ion system

5. Charger: Compatible Metabo HPT lithium-ion charger

The battery voltage and physical connection should match your original battery.

Frequently Asked Questions

What is the Metabo HPT BSL36A18 battery?

The BSL36A18 is a MultiVolt lithium-ion battery designed for compatible Metabo HPT and Hitachi cordless tools.

Is BSL36A18 an 18V or 36V battery?

It supports both voltage systems:

• 18V with 6.0Ah capacity

• 36V with 3.0Ah capacity

What capacity does this battery provide?

The battery provides:

• 6.0Ah when used with 18V tools

• 3.0Ah when used with 36V MultiVolt tools

Does this replace Metabo HPT 372121M?

Yes. 372121M is listed as a compatible replacement battery model.

Is this compatible with Hitachi tools?

Yes. It is compatible with selected Hitachi 18V slide-style lithium-ion tools that support this battery platform.

Does this battery work with Metabo HPT MultiVolt tools?

Yes. It is designed for compatible Metabo HPT MultiVolt 18V/36V tools.

How many batteries are included?

This package includes 2 replacement batteries.

Which chargers can charge this battery?

Compatible charger models include UC18YDL2, UC18YDL, UC18YFSL, UC18YTSL, and other compatible Metabo HPT lithium-ion chargers.

Does this battery have a charge indicator?

Yes. The battery includes a 4 LED charge indicator.

What tools use BSL36A18 batteries?

BSL36A18 batteries are used with compatible Metabo HPT MultiVolt tools including drills, saws, nailers, grinders, impact drivers, and other cordless equipment.

Is this a lithium-ion battery?

Yes. This is a rechargeable lithium-ion battery.