2.5Ah vs 4.0Ah vs 6.0Ah
Same fit: these run the same tools
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 6.0Ah stores 140% more than the 2.5Ah: 108Wh vs 45Wh.
WeightThe 2.5Ah is the lightest at 0.36kg, the 6.0Ah the heaviest at 0.67kg.
PriceThe 2.5Ah is the cheapest of the three today, at £39.95.
Price per Ah6.0Ah £14.16, 4.0Ah £14.99, 2.5Ah £15.98.
Size2.5Ah 115 × 80 × 45mm; 4.0Ah 118 × 85 × 105mm; 6.0Ah 117 × 84 × 65mm (L × W × H).
Good to know
Same toolsAll three fit every Bosch Green 18V tool.
Same chargers1600A011U0, 1600A031X1, 1600A005B4, 2607225519 and 2607226387 charge all three. Charge times are in the specs below.
Energy
1600A005B0
45Wh
1600A011T8
72Wh
1600A00DD7
108Wh
Maker figure, or volts × Ah where they don't publish one. Ah and Wh explained ›
Weight
1600A005B0
0.36kg
1600A011T8
0.64kg
1600A00DD7
0.67kg
Price per Ah
1600A005B0
£15.98
1600A011T8
£14.99
1600A00DD7
£14.16
Lowest price we track ÷ Ah. Full specs
1600A005B01600A011T81600A00DD7
Voltage18V18V18V
Capacity2.5Ah4.0Ah6.0Ah
Energy45Wh72Wh108Wh
Weight0.36kg0.64kg0.67kg
Energy for its weight124Wh/kg (worked out)113Wh/kg (worked out)162Wh/kg (worked out)
ChemistryLi-ionLi-ionLi-ion
Cell typeNot listedNot listedNot listed
Fuel gaugeNot listedNot listedNot listed
Size (L × W × H)115 × 80 × 45 mm118 × 85 × 105 mm117 × 84 × 65 mm
Charge time, 1600A011U036 min35 min1 hr 2 min
Charge time, 1600A031X144 min59 min1 hr 27 min
Charge time, 1600A005B41 hr1 hr 35 min2 hr 10 min
Charge time, 26072255191 hr 20 min1 hr 56 min3 hr 8 min
Lowest price£39.95£59.95£84.95
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.
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