They differ in 1 of 2 areas
Same tools, so this is about size, weight and cost. No overall winner: pick the size that suits the job.
EnergyThe 1.5Ah stores 53% more than the 1.0Ah: 11Wh vs 7Wh.
Good to know
Same toolsBoth fit every Makita 7.2V tool.
Energy
BL7010
7Wh
BL0715
11Wh
Maker figure, or volts × Ah where they don't publish one. Ah and Wh explained › Full specs
BL7010BL0715
Voltage7.2V7.2V
Capacity1.0Ah1.5Ah
Energy7Wh (worked out)11Wh
WeightNot listed0.12kg
Energy for its weightNot listed92Wh/kg (worked out)
ChemistryLi-ionLi-ion
Cell typeNot listedNot listed
Fuel gaugeNot listedNot listed
Size (L × W × H)Not listed46 × 32 × 73 mm
Lowest priceNo retailer price yetNo retailer price yet
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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