User Manual for 18V/21V Li-ion Replacement Battery

Important Information

This document provides instructions for a third-party replacement battery compatible with Makita 18V LXT series tools. It is not an OEM part. Key safety requirements include avoiding temperatures above 60°C (140°F), preventing short circuits by keeping metal objects away from terminals, and using only compatible 18V Li-ion chargers.

Product Overview

This high-capacity Lithium-Ion battery is designed for cordless power tools. It features a voltage of 21V Max (compatible with 18V-21V platforms) and a capacity of 6.0Ah (6000mAh).

Installation and Removal

To Install:

• Ensure the power tool is switched OFF.
• Align the battery rails with the slot in the tool handle.
• Slide the battery firmly into place until you hear a "Click" sound.
• Gently tug the battery to ensure it is secure.

To Remove:

• Switch off the power tool.
• Press and hold the release buttons on both sides of the battery.
• Slide the battery out of the tool smoothly.

Charging Instructions

• Check: Press the fuel gauge button (if equipped) to check remaining power.
• Connect: Insert the battery into a compatible 18V Li-ion charger.
• Status Indicators:
  • Red Light (Blinking/Solid): Charging in progress.
  • Green Light: Charging complete.
  • Red/Green Alternating/Error: Battery error or temperature issue. Remove immediately and let it cool down.
• Cool Down: If the battery is hot from use, allow it to reach room temperature before charging.

Storage and Maintenance

• Long-Term Storage: If not using for more than 2 weeks, store in a cool, dry place with a charge level of 40%-60%.
• Recharging: Recharge stored batteries every 3 months to prevent deep discharge.
• Cleaning: Wipe battery contacts with a clean, dry cloth. Do not use solvents.

Disposal and Recycling

Do not dispose of this battery in household trash. Take it to a designated battery recycling center. Tape the terminals before disposal to prevent short circuits.