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RRP: £86.87

£72.28 (+ VAT)

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  • Charges in as little as 35 minutes!
  • 430% more power over its lifetime than a Ni-Cad battery
  • 40% lighter than a Ni-MH battery
  • Innovative foam cell technology
  • Minimal depletion of storage over time
  • Easy to fit, secure and dependable
  • Premium insulation to minimise the risk of overheating

Picking the right battery for your power tools normally involves a number of factors. Considerations such as power level, weight, charging time, capacity and safety are all characteristics which need to be take into account. Luckily the Makita BL1840 Li-ion battery scores highly on all these features, which helps to explain its growing popularity with trade professionals and DIY enthusiasts alike.

One of the major benefits of opting for the Makita BL1840 is the amount of power it provides. 4.0Ah is usually enough for the majority of power tools, providing sufficient energy to tackle tough jobs and allow high specification tools to work at their maximum capacity for a sustained period of time. Unlike other forms of battery, Li-ion items hold their charge well even after successive recharges. This means that every time you recharge the battery, you still get the same amount of use from it. In comparison with Ni-Cad and Ni-MH batteries the Li-ion Makita BL1840 is both lighter and more powerful – an enviable combination! New foam cell technology increases battery efficiency even further and means that if necessary this item can be recharged in much less than an hour.

When it comes to fitting the battery to your tool, clever design allows the item to be easily slotted into place, providing a secure connection which provides power exactly when it's needed. A high level of insulation minimises the risk of overheating, ensuring the battery can be safely used even on big jobs which take a while to complete.


Battery Ah 4.0 Ah
Battery Type Li-ion
Voltage 18 v
Battery ID BL1840


  • Unbeatable 36 minute charge time.
  • Same weight as 3.0Ah battery.
  • Works with your current Li-ion Chargers.
  • Longer run time and battery life.
  • All new 4.0Ah models are compatible with 18V 3.0Ah Li-ion batteries.