2.0Ah vs 2.5Ah vs 3.0Ah
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 5 areas
Same tools, so this is about size, weight and cost. No overall winner: pick the size that suits the job.
EnergyThe 3.0Ah stores 50% more than the 2.0Ah: 54Wh vs 36Wh.
WeightThe 2.0Ah is the lightest at 0.4kg, the 3.0Ah the heaviest at 0.58kg.
PriceThe 2.0Ah is the cheapest of the three today, at £19.95.
Price per Ah2.0Ah £9.98, 2.5Ah £9.98, 3.0Ah £14.65.
Good to know
Same toolsAll three fit every Einhell Power X-Change 18V tool, and pair up on the Einhell Power X-Change 18V Twin (36V) tools.
Same chargers4512103, 4512102, 4512155, 4512064, 4512096 and 4512069 charge all three. Charge times are in the specs below.
Energy
4511395
36Wh
4511516
45Wh
4511501
54Wh
Maker figure, or volts × Ah where they don't publish one. Ah and Wh explained ›
Weight
4511395
0.4kg
4511516
0.46kg
4511501
0.58kg
Price per Ah
4511395
£9.98
4511516
£9.98
4511501
£14.65
Lowest price we track ÷ Ah. Full specs
451139545115164511501
Voltage18V18V18V
Capacity2.0Ah2.5Ah3.0Ah
Energy36Wh45Wh54Wh
Weight0.4kg0.46kg0.58kg
Energy for its weight90Wh/kg (worked out)98Wh/kg (worked out)93Wh/kg (worked out)
ChemistryLi-ionLi-ionLi-ion
Cell typeNot listedNot listed21700 cylindrical
Fuel gaugeYesYesYes
Size (L × W × H)Not listedNot listedNot listed
Charge time, 4512103, 451210230 min37 min45 min
Charge time, 4512155, 451206430 min27 min32 min
Charge time, 4512096, 451206940 min50 min1 hr
Lowest price£19.95£24.95£43.95
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.
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 ›


