Battery & charger set Makita 191L77-9 Li‑Ion 4 Ah

Makita 191L77-9 Li‑Ion 4 Ah battery and charger set provides portable electrical power for compatible Makita cordless tools. The kit pairs a 4 Ah Lithium‑Ion battery with a dedicated charger, delivering higher runtime compared to lower-capacity batteries and supporting regular recharging cycles. Designed for use in construction sites, workshops and domestic tasks, this set offers a straightforward solution to maintain tool availability during extended work sessions.

Advantages

The 4 Ah Li‑Ion battery offers extended runtime for a range of cordless tools while keeping weight and size manageable for handheld operation. The included charger is matched to the battery chemistry and voltage to ensure safe charging and consistent performance. The set is compatible with Makita machines that accept the 40 V platform, enabling efficient power delivery and fewer battery swaps during intensive tasks.

Suitable for

• Cordless power tools on construction and renovation sites
• Workshop applications requiring sustained runtime
• Home improvement and garden tasks with Makita 40 V tools
• Professional tradespeople who need backup batteries

Key specifications

• Battery chemistry: Lithium‑Ion (Li‑Ion)
• Rated capacity: 4 Ah
• Nominal voltage: 40 V
• Package contents: battery and compatible charger
• Compatibility: for Makita cordless tools designed for the 40 V platform

How to use

Insert the battery into a compatible Makita tool by aligning the battery terminals and sliding until it locks into place. To charge, connect the charger to a suitable mains outlet and mount the battery on the charger following the charger’s alignment guides; indicator lights (if present) will show charging status. Allow the battery to fully charge before first use and avoid interrupting the initial charge cycle to help ensure accurate state-of-charge detection.

Usage recommendations

Store batteries in a dry, cool place and avoid exposure to direct heat or prolonged sunlight. Use only the supplied charger or other Makita-approved chargers for this battery chemistry and voltage. For longer battery life, avoid full discharges where possible and follow Makita’s guidelines for storage charge when batteries will be unused for extended periods.