Makita 197490-7.

Makita 197490-7 Power Source Kit

The Makita 197490-7 is a comprehensive power source kit designed to provide reliable, high‑performance energy for Makita’s 18 V cordless tools. This kit includes two 4 Ah Li‑Ion batteries (BL1840B), a fast charger (DC18RC), and all necessary accessories to ensure seamless operation across a wide range of professional applications.

Key Features

• Dual 4 Ah Batteries: Each battery delivers up to 72 Wh of power, offering extended runtime for demanding tasks such as drilling, sanding, and cutting. The high capacity reduces the need for frequent charging during long work sessions.
• Fast Charger (DC18RC): Capable of recharging both batteries in approximately 30 minutes when used with a compatible power source. The charger includes intelligent safety features such as over‑current protection, temperature monitoring, and automatic shut‑off once the batteries reach full charge.
• Compact Design: The charger’s slim profile fits easily into toolboxes or workbenches, while the battery pack remains lightweight at just under 1 kg each, facilitating easy handling on job sites.
• Universal Compatibility: All batteries and the charger are fully compatible with Makita’s entire line of 18 V cordless tools, including drills, impact drivers, rotary hammers, and oscillating tools. This universality simplifies inventory management for professionals who use multiple tool types.
• Durable Construction: The batteries feature a reinforced casing that protects against accidental drops and impacts, while the charger’s housing is built to withstand harsh work environments.

Technical Specifications

Installation and Usage

To use the kit, simply insert a battery into your Makita 18 V tool. When the battery is depleted, place it in the DC18RC charger. The charger automatically detects the battery type and adjusts the charging parameters accordingly. Once fully charged, remove the battery and reinsert it into the tool to resume work.

For optimal performance:

• Store batteries in a cool, dry environment when not in use.
• Avoid exposing the charger or batteries to extreme temperatures.
• Use only the supplied charging cable and avoid modifying the charger’s wiring.

Applications

The Makita 197490-7 kit is ideal for professionals in construction, woodworking, automotive repair, and general maintenance. Its high‑capacity batteries provide sufficient power for:

• Extended drilling sessions on concrete or masonry.
• Continuous sanding of large panels without interruption.
• High‑torque impact driving for fastening tasks.
• Precision work with oscillating tools and rotary hammers.

Maintenance Tips

• Regularly inspect battery terminals for corrosion; clean with a dry cloth if necessary.
• Keep the charger’s ventilation slots free from dust to ensure efficient heat dissipation.
• Perform a full charge cycle every few months even if batteries are not heavily used, to maintain cell health.

Why Choose Makita 197490-7?

The combination of high‑capacity Li‑Ion batteries and a fast, intelligent charger makes the Makita 197490-7 Power Source Kit an essential companion for any user who demands reliability, efficiency, and longevity from their cordless tools. Its universal compatibility with Makita’s extensive 18 V lineup ensures that you can power virtually every task without needing multiple battery systems.

Conclusion

Whether you’re a seasoned contractor or an enthusiastic DIYer, the Makita 197490-7 kit delivers consistent performance and convenience. With two robust batteries and a fast charger in one compact package, it empowers you to tackle projects with confidence, knowing that power will be available whenever you need it.