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★ Top Pick
Mighty Max Battery YTX4L-BS - 12 Volt 3 AH, 50 CCA, Rechargeable Maintenance Free SLA AGM Motorcycle Battery
The Mighty Max YTX4L-BS is a direct fit for the Honda Grom 125, matching the factory-specified YTX4L-BS battery size and 12V/3Ah rating without any modification. The sealed AGM construction means no maintenance and no acid spills, which matters on a small bike with tight compartment clearance. It cranks reliably in most conditions at 50 CCA, which is adequate for the Grom's 125cc engine. Caveat: cold-weather starting below freezing can expose the modest CCA rating, so riders in harsh climates may want a warmer storage solution.
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