Best 40v Lithium Battery Deals Online in the UK (10 Deals Found)

Last Updated - 10/01/2026 Sort By:

Best Choice
ACTIV ENERGY

New
Activ energy Li-Ion Battery 20/40 Volt 5.0 Ah / 2.5 Ah 90 Wh for Ferrex Battery Tools
Active Energy LI battery maximum 20/40 V LI-ION 5.0 Ah/2.5 A 90 Wh.

£29.99 £37.99
Best Value
Yard Force

New
Yard Force Battery 40V 2.5Ah Lithium-Ion Battery for Garden Tools, with Overload Protection + Overheating Protection - A
The Yard Force 40 Volt battery GR 40 range is the ideal helper for owners of medium-sized garden areas

£75.00 £79.99
Geelink

New
Geelink 40V 2Ah Li-Ion Battery G40B2 Replacement for GreenWork 40V G-MAX Battery 29472 29462 29252 20202 22262 25312 253
Brand New | Rechargeable | 40 Volts | 2.0Ah | Battery type: Li-ion | Watt: 80W | fits the second generation 40v greenwor

£43.99
swift

New
swift Tools Battery EB20 (Li-Ion 40V 2 Ah Rechargeable Powerful Battery Suitable for All
One Battery For All: Ideal for our cordless machines that require more power and longer runtime such as swift lawnmower,

£59.99
aunstarwei

New
aunstarwei 40V 2.0Ah Replacement Lithium Battery for GreenWorks 29462 Battery GreenWorks 40V G-MAX Power Tools 29252 202
This Compatible with greenworks GMAX battery fits the second generation 40v tools ONLY. (NOT for Gen 1)

£47.50
Greenworks

New
Greenworks 40V Battery & Universal Charger Kit - 2Ah Lithium-Ion Battery + 2A Charger. Compatible with All 40V Tools
POWERFUL LITHIUM ION BATTERY - The battery offers more power and longer run times - ideal for our cordless tools, such a

£114.99
ZEERISA

New
ZEERISA 6.0Ah 29462 29472 Lithium 40V Battery Replacement Compatible with GREENWORKS 40Volt 40V 29472 29462 2901319 2428
BATTERY SPECIFICATIONS - Replacement for GREENWORKS 40V Li-ion battery. Capacity: 6000mAh Type: Li-ion | Voltage: 40V, 2

£48.99
DREAMDASH

New
2X 6Ah Replacement for Greenworks 40V Battery G40B2 G40B4 G40B5, Compatible with all Greenworks 40V Garden and Power Too
【Excellent performance】This 6.0Ah battery delivers 200% more power & runtime than original G40B2 batteries at a fraction

£89.99
aunstarwei

New
aunstarwei 40V 2.5Ah Replacement Lithium Battery for GreenWorks 29462 Battery GreenWorks 40V G-MAX Power Tools 29252 202
This Compatible with greenworks GMAX battery fits the second generation 40v tools ONLY. (NOT for Gen 1)

£48.50
BATTOOL

New
40V 6000mAh Battery Replacement for GreenWorks 40V Battery Compatible with GreenWorks Models 29462 29472 29252 25312 253
【Battery Specifications】Capacity: 6000mAh || Voltage: 40V || Battery Type: Li-ion || Condition: Brand New || Replacement

£39.99 £42.99

10 40v Lithium Battery deals are available from: Amazon stores, starting from £29.99.
The biggest discount we found is 21% on Activ energy Li-Ion Battery 20/40 Volt 5.0 Ah / 2.5 Ah 90 Wh for Ferrex Battery Tools at Amazon.
The lowest price we found is £29.99 while the highest is £114.99.
Prices for the best 40v Lithium Battery deals average at £59.89.
Last updated on January 10, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for 40v Lithium Battery.