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OnBuy.com£30.10Visit shop Upgraded 5.0Ah Replacement 18V Battery For Makita, Compatible With Makita 18V Battery Lithium Ion Bl1850 Bl1850b Bl1840 Bl1840b Bl1830 Bl1830b Bl1815 761429958746
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The B&Q 5.0Ah replacement 18V battery is an ideal solution for professionals and DIY enthusiasts who need extended runtime for their Makita 18V cordless power tool collection. It provides a reliable power boost for demanding heavy-duty tasks, effectively replacing several older Makita battery models. Please note that as a third-party replacement, it requires proper handling and charging practices to maintain optimal cell health compared to original manufacturer hardware.
| Model Part Number | BL1850 |
|---|---|
| Brand | B&Q |
It is compatible with the vast majority of Makita 18V cordless tools that accept slide-style batteries.
Yes, this battery is designed to be charged using chargers compatible with Makita BL series batteries.
Charge times vary based on your specific charger model, typically ranging from 45 to 90 minutes for a full 5.0Ah charge.
Please check your specific unit's indicators, as some replacement versions include LED fuel gauges while others do not.
It is recommended to let the battery cool down for 10-15 minutes after heavy use before placing it on the charger.
Check the battery rail and the tool interface for any debris or construction dust, and clear it with compressed air.
Verify if the tool has an internal thermal cutoff triggered by overheating; allow the battery and tool to cool for 15 minutes before restarting.
Remove the battery, unplug the charger for 30 seconds, and try reseating the battery firmly into the charger.
To begin using the battery, simply slide it onto the battery interface rail of your Makita 18V tool until it clicks into place. Ensure your existing Makita-compatible charger is clean and free of dust before initiating the first charge. For best results, avoid letting the battery drop to zero percent capacity; if possible, recharge once performance slows down to preserve cycle life. Always store the battery in a cool, dry place away from direct sunlight or extreme temperature shifts to maintain internal cell chemistry integrity.
