BP18Li3.0C vs BP18Li4.0HPC vs BP18TBX4
Same fit: these run the same toolsLowest price we track at UK retailers, updated daily. We may earn a commission
They differ in 4 of 4 areas
Same tools, so this is about size, weight and cost. No overall winner: pick the size that suits the job.
EnergyThe BP18Li4.0HPC stores 33% more than the BP18Li3.0C: 72Wh vs 54Wh.
WeightThe BP18Li3.0C is the lightest at 0.4kg, the BP18Li4.0HPC the heaviest at 0.6kg.
CellsBP18Li3.0C: 18650 cylindrical; BP18Li4.0HPC: 21700 cylindrical; BP18TBX4: 21700 tabless.
ChemistryBP18Li3.0C: Li-ion (cylindrical); BP18Li4.0HPC: Li-ion; BP18TBX4: Li-ion (cylindrical).
Good to know
Same toolsAll three fit every Festool 18V tool, and pair up on the Festool 18V Twin (36V) tools.
Same chargers576955, 201136 and 577019 charge all three. Charge times are in the specs below.
Energy
BP18Li3.0C
54Wh
BP18Li4.0HPC
72Wh
BP18TBX4
72Wh
Maker figure, or volts × Ah where they don't publish one. Ah and Wh explained ›
Weight
BP18Li3.0C
0.4kg
BP18Li4.0HPC
0.6kg
BP18TBX4
0.6kg
Price per Ah
BP18Li3.0C
No price yet
BP18Li4.0HPC
£38.99
BP18TBX4
£29.99
Lowest price we track ÷ Ah. Full specs
BP18Li3.0CBP18Li4.0HPCBP18TBX4
Voltage18V18V18V
Capacity3.0Ah4.0Ah4.0Ah
Energy54Wh72Wh72Wh
Weight0.4kg0.6kg0.6kg
Energy for its weight135Wh/kg (worked out)120Wh/kg (worked out)120Wh/kg (worked out)
ChemistryLi-ion (cylindrical)Li-ionLi-ion (cylindrical)
Cell type18650 cylindrical21700 cylindrical21700 tabless
Fuel gaugeYesYesYes
Size (L × W × H)Not listedNot listedNot listed
Charge time, 57695533 min32 min25 min
Charge time, 201136, 57701933 min32 min32 min
Lowest priceNo retailer price yet£155.95£119.95
Specs from each maker's own documentation. "Not listed" means the maker doesn't publish it or we haven't found it yet; it never counts as a difference.
Battery guides
Not sure what the numbers mean, or which platform to buy into? Start here.
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Cordless Battery Platforms Explained: Which Should You Buy Into?Here is the thing no one tells you when you buy your first power tool: you are not really choosing a tool.…8 min read min read ›
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