GBA18V-40 vs PROCORE18V-40 vs GBA18V-50
Same fit: these run the same tools
BOSCH 18V PROFESSIONAL
PROCORE18V-40
4.0Ah · 72Wh · 0.52kg
£54.99from 2 retailers
View at Tooled Up ›
BOSCH 18V PROFESSIONAL
GBA18V-50
5.0Ah · 90Wh · 0.62kg
£85.00from 3 retailers
View at Machine Mart ›
Lowest price we track at UK retailers, updated daily. We may earn a commission
They differ in 5 of 6 areas
Same tools, so this is about size, weight and cost. No overall winner: pick the size that suits the job.
EnergyThe GBA18V-50 stores 25% more than the GBA18V-40: 90Wh vs 72Wh.
WeightThe PROCORE18V-40 is the lightest at 0.52kg, the GBA18V-50 the heaviest at 0.62kg.
PriceThe PROCORE18V-40 is the cheapest of the three today, at £54.99.
Price per AhPROCORE18V-40 £13.75, GBA18V-50 £17.00, GBA18V-40 £18.50.
SizeGBA18V-40 114 × 74 × 56mm; PROCORE18V-40 125 × 50 × 80mm; GBA18V-50 114 × 74 × 56mm (L × W × H).
Good to know
Same toolsAll three fit every Bosch 18V Professional tool.
Same chargersGAL12V18V-80, GAL1880CV, GAL18V6-80 and GAL18V-40 charge all three. Charge times are in the specs below.
Energy
GBA18V-40
72Wh
PROCORE18V-40
72Wh
GBA18V-50
90Wh
Maker figure, or volts × Ah where they don't publish one. Ah and Wh explained ›
Weight
GBA18V-40
0.6kg
PROCORE18V-40
0.52kg
GBA18V-50
0.62kg
Price per Ah
GBA18V-40
£18.50
PROCORE18V-40
£13.75
GBA18V-50
£17.00
Lowest price we track ÷ Ah. Full specs
GBA18V-40PROCORE18V-40GBA18V-50
Voltage18V18V18V
Capacity4.0Ah4.0Ah5.0Ah
Energy72Wh72Wh90Wh
Weight0.6kg0.52kg0.62kg
Energy for its weight120Wh/kg (worked out)140Wh/kg (worked out)145Wh/kg (worked out)
ChemistryLi-ion (cylindrical)Li-ion (cylindrical)Li-ion (cylindrical)
Cell typeNot listedNot listedNot listed
Fuel gaugeYesYesYes
Size (L × W × H)114 × 74 × 56 mm125 × 50 × 80 mm114 × 74 × 56 mm
Charge time, GAL12V18V-8035 min47 min46 min
Charge time, GAL1880CV35 min51 min45 min
Charge time, GAL18V6-8037 min50 min47 min
Charge time, GAL18V-401 hr 5 min1 hr 5 min1 hr 10 min
Lowest price£73.99£54.99£85.00
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.
Power Tool Battery Ah and Wh ExplainedEvery battery gives an "Ah" number: 2.0Ah, 5.0Ah, 8.0Ah. People treat it like a power rating, buy the biggest one they can,…5 Min Read min read ›
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 ›
Corded vs Cordless Power Tools: Which to Buy?Cordless has taken over site and workshop, and for good reason, but corded tools are not dead, and for some jobs they…5 min read min read ›
