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The most broadly compatible parts
24
Bosch Smart System (BES3) batteries and chargers fits 24 of the combinations we checked directly, more than any other of the 46 parts in the dataset.
Which part fits the most setups?
Bosch Smart System (BES3) batteries and chargers is the most broadly compatible, fitting 24 combinations directly (73% of the 33 we checked for it). The full ranking is below.
How this is worked out
For every part we counted the compatibility combinations that resolve to a direct fit (no adapter needed) across every combination in the reference set, and ranked by that count. The direct-fit rate is direct fits divided by all combinations checked for that item.
Data as of 2026-09-05.
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