Battery for cordless tools STANLEY FMC688L-XJ 18 V 4 Ah Li‑Ion, 1 pc, black

The STANLEY Battery Cordless Tool Stanley FMC688L-XJ is a 4 Ah Lithium‑Ion battery designed for use with compatible STANLEY cordless tools. It delivers a balance of runtime and power density in a compact, lightweight package that is easy to install and remove. The battery supports sustained operation of drills, impact drivers, saws and other handheld power tools where a reliable source of portable power is required.

Advantages

This 4 Ah Lithium‑Ion battery offers consistent voltage output and improved energy density compared with older battery chemistries, allowing longer run times between charges. Its lightweight construction reduces user fatigue during tool changes and extended work sessions. The pack is designed for straightforward attachment and detachment to compatible STANLEY tool platforms, and its enclosed housing protects internal cells from dust and mechanical impact typical of jobsite use.

Suitable for

• Cordless drills and impact drivers for drilling and fastening tasks
• Handheld saws and grinders for cutting and material removal
• Light construction and renovation work requiring portable power
• Home DIY projects and occasional professional applications

Key specifications

• Battery chemistry: Lithium‑Ion
• Nominal capacity: 4 Ah (approximately)
• Designed voltage range: compatible with STANLEY cordless tool platform
• Form factor: compact portable pack for handheld tools
• Weight: lightweight design for reduced user fatigue

How to use

Before first use, ensure the battery is charged according to the tool manufacturer’s instructions. Insert the battery into the tool’s battery bay until it locks into place; confirm a secure connection before operating the tool. Operate the tool within the manufacturer’s recommended load and duty cycle. After use, remove the battery and store it in a cool, dry place away from direct heat. Charge the battery with a compatible charger designed for STANLEY Lithium‑Ion packs and follow safety guidance provided by the charger and tool manuals.

Recommendations

For optimal longevity, avoid fully depleting the battery on a regular basis and store it at moderate charge if not used for extended periods. Keep contacts clean and avoid exposure to extreme temperatures. Use only compatible chargers and replacement packs specified for the STANLEY cordless tool system to maintain safe operation and preserve pack performance.