Is the Makita BL1850B battery compatible with all Makita 18V tools?

Yes. The BL1850B 5.0Ah battery is compatible with every tool in the Makita 18V LXT range. It is a slide-on lithium-ion pack with Star Protection circuitry, which communicates with the tool to prevent overload, over-discharge and overheating. If you already own Makita 18V cordless tools, this battery slots straight in.

How long does the Makita DC18RC charger take to fully charge a 5.0Ah battery?

The DC18RC fast charger fully charges a Makita BL1850B 5.0Ah battery in approximately 45 minutes. It has a built-in cooling fan that blows air across the battery during charging, which reduces overall charge time and helps extend long-term battery life compared to standard chargers.

Can I use the DC18RC charger with Makita 14.4V batteries as well?

The DC18RC is a multi-voltage charger that supports both 14.4V and 18V Makita LXT slide-on batteries. It automatically detects battery voltage and adjusts the charging profile accordingly. You cannot use it with older Makita Ni-MH or Ni-Cd stick batteries though.

How do I know when the BL1850B battery needs replacing?

The BL1850B has an integrated LED charge indicator on the battery itself, so you can check remaining charge at any time. If runtime drops noticeably even after a full charge, or the battery fails to hold charge, it is likely reaching end of life. Typical lifespan is several hundred charge cycles under normal trade use.

What is the difference between the BL1850B and the older BL1850 battery?

The B suffix on the BL1850B indicates it has a built-in LED charge level indicator, which the original BL1850 lacks. Electrically they are identical at 5.0Ah and 18V, and both have Star Protection. The charge indicator is a practical addition for checking remaining power on site without inserting the battery into a tool.

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Brand Makita

A genuine Makita 18V LXT battery and charger kit combining the BL1850B 5.0Ah battery with the DC18RC fast charger. The ideal starter kit or replacement set for any Makita 18V LXT cordless tool.

Key Features

BL1850B 5.0Ah battery with LED charge indicator
DC18RC fast charger – 45 minutes for full charge
Star Protection overload and overheat protection
Built-in cooling fan extends battery life
Compatible with all Makita 18V LXT tools
Genuine Makita UK stock with full warranty

Typical Applications

Powering Makita 18V LXT cordless tools
Starter kit for new tool purchases
Replacement or upgrade for existing setup
Extended runtime for demanding applications

Specifications

Brand: Makita
Battery Model: BL1850B
Charger Model: DC18RC
Voltage: 18V
Battery Capacity: 5.0Ah (90Wh)
Charge Time: Approx. 45 minutes
Battery Weight: 0.64kg
Charger Input: 240V AC

What's Included

1 × Makita BL1850B 18V 5.0Ah Battery
1 × Makita DC18RC Fast Charger

A genuine Makita 18V LXT battery and charger kit combining the BL1850B 5.0Ah battery with the DC18RC fast charger. The ideal starter kit or replacement set for any Makita 18V LXT cordless tool.

Key Features

BL1850B 5.0Ah battery with LED charge indicator
DC18RC fast charger – 45 minutes for full charge
Star Protection overload and overheat protection
Built-in cooling fan extends battery life
Compatible with all Makita 18V LXT tools
Genuine Makita UK stock with full warranty

Typical Applications

Powering Makita 18V LXT cordless tools
Starter kit for new tool purchases
Replacement or upgrade for existing setup
Extended runtime for demanding applications

Specifications

Brand: Makita
Battery Model: BL1850B
Charger Model: DC18RC
Voltage: 18V
Battery Capacity: 5.0Ah (90Wh)
Charge Time: Approx. 45 minutes
Battery Weight: 0.64kg
Charger Input: 240V AC

What's Included

1 × Makita BL1850B 18V 5.0Ah Battery
1 × Makita DC18RC Fast Charger

Also available for collection — Canterbury & Ramsgate

Makita Battery & Charger Kit

Authorised Dealer

£74.99 ex VAT

£89.99 inc VAT

Battery Count

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Full Manufacturer Warranty

Warranty Full manufacturer warranty

Coverage Manufacturing defects. Normal wear parts excluded.

How to claim Bring to Canterbury or Ramsgate, or contact us for collection.

Support 01843 210459

We're an authorised Makita dealer — all warranty claims go directly through the manufacturer.

Makita Battery & Charger Kit

£89.99 inc VAT £74.99 ex VAT

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