Formerly Emhart Teknologies & Infastech

Battery & Charger

Battery Pack: Stanley offers a 20V Max. 4Ah Lithium-Ion Battery.

SAT 20V Max. Li-Ion Battery

20V battery pack for North America only. 2Ah and 5Ah are optional.

STANLEY Assembly technologies features the most advanced battery technology today with; 

  • High power density
  • Ultra-light weight
  • Low cost
  • Highest cycles per charge
  • Highest number of charges per battery life
  • Compliant with international standards for durability drop tests


Fuel Gauge:

The battery packs include a fuel gauge which consists of three green LED lights that indicate the level of charge remaining in the battery pack. 

Fuel Gauge


Installing and Removing the Battery Pack:

To install the battery pack into the tool handle, align the battery pack with the rails inside the tool’s handle and slide it into the handle until the battery pack is firmly seated in the tool and ensure that it does not disengage. 

Installing and Removing the Battery Pack from the Tool

To remove the battery pack from the tool, press the release button and firmly pull the battery pack out of the tool handle. 

Charger: The  battery pack charger is designed to charge STANLEY 12–20V Max* lithium ion battery packs.

SAT Charger

Simply place your battery pack into the receptacle of a plugged in charger and it will automatically charge the pack.

Charging Procedure for the Battery Pack    

Charging Procedure:

1. Plug the charger into an appropriate outlet before inserting the battery pack.

2. Insert the battery pack into the charger, as shown, making sure the pack is fully seated in the charger. The red (charging) light will blink continuously indicating that the charging process has started.

3. The completion of charge will be indicated by the red light remaining ON continuously. The pack is fully charged and may be used at this time or left in the charger.