2.0Ah vs 2.5Ah vs 4.0Ah
Same fit: these run the same toolsLowest price we track at UK retailers, updated daily. We may earn a commission
They differ in 3 of 4 areas
Same tools, so this is about size, weight and cost. No overall winner: pick the size that suits the job.
EnergyThe 4.0Ah stores 100% more than the 2.0Ah: 72Wh vs 36Wh.
PriceThe 2.0Ah is the cheapest of the three today, at £29.95.
Price per Ah2.0Ah £14.98, 2.5Ah £15.98, 4.0Ah £19.24.
Good to know
Same toolsAll three fit every Bosch Green 18V tool.
Same chargers1600A005B4, 2607225519 and 2607226387 charge all three. Charge times are in the specs below.
Energy
1600Z0003U
36Wh
1600A005B0
45Wh
1607A350T0
72Wh
Maker figure, or volts × Ah where they don't publish one. Ah and Wh explained ›
Weight
1600Z0003U
Not listed
1600A005B0
0.36kg
1607A350T0
0.56kg
Price per Ah
1600Z0003U
£14.98
1600A005B0
£15.98
1607A350T0
£19.24
Lowest price we track ÷ Ah. Full specs
1600Z0003U1600A005B01607A350T0
Voltage18V18V18V
Capacity2.0Ah2.5Ah4.0Ah
Energy36Wh45Wh72Wh
WeightNot listed0.36kg0.56kg
Energy for its weightNot listed124Wh/kg (worked out)129Wh/kg (worked out)
ChemistryLi-ionLi-ionLi-ion
Cell typeNot listedNot listedNot listed
Fuel gaugeNot listedNot listedNot listed
Size (L × W × H)Not listed115 × 80 × 45 mm126 × 80 × 50 mm
Charge time, 1600A005B445 min1 hr1 hr 28 min
Charge time, 26072255191 hr 5 min1 hr 20 min2 hr 3 min
Charge time, 26072263871 hr 55 min2 hr 16 min3 hr 39 min
Lowest price£29.95£39.95£76.95
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
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