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1981 Honda CB900C Custom Sealed AGM Battery

Measure the battery compartment and compare the terminals before selecting the ATX14AHL for your 1981 CB900C Custom. This sealed AGM battery arrives pre-charged. Its physical dimensions and chemistry still need checking where the tray, cables or charging system have been altered.

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Honda CB1100 CB1000 CB900 CB750 ATX14AHL battery

Honda CB1100/CB1000/CB900/CB750 ATX14AHL Battery

$79.95 USD
24-2204
Keep your vintage Honda starting strong with this ATX14AHL Replacement Battery, designed for reliable performance across a wide range of classic Honda models. This...
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1981 Honda CB900C Custom · Sealed AGM Battery Buying guide

Check the battery fit and the reason it failed

The featured ATX14AHL is a sealed, pre-charged AGM battery. Confirm physical fit and cable polarity, then check the motorcycle’s charging and starting circuits so a replacement battery is not masking another fault.

Parts to consider

Honda CB1100/CB1000/CB900/CB750 ATX14AHL Battery ATX14AHL sealed AGM battery12 V, 14 Ah battery rated at 210 CCA. Supplied sealed and pre-charged, with stated dimensions of 5.28 in long × 3.54 in wide × 6.54 in high.View part

Match the case and terminal arrangement

The listed specification is 12 V, 14 Ah and 210 CCA, measuring 5.28 in long × 3.54 in wide × 6.54 in high. Compare those dimensions with the actual tray and covers, especially on a modified motorcycle. Cables must reach the correct terminals without strain or contact with nearby metal.

Treat AGM as a sealed battery

Do not add acid or water to this supplied-sealed battery. Follow its charging instructions instead of applying the old flooded-battery topping-up procedure. Check the correct fuse rating for the year and circuit, and diagnose a repeated blown fuse rather than fitting a higher-rated one.

Practical questions

Why might a new battery still crank the engine slowly?

Check battery charge, cable and ground connections, and the starter circuit under load. Excessive resistance or a starter fault can remain after the battery is changed.

Does this battery need acid or distilled water before use?

No. The listed ATX14AHL arrives sealed and pre-charged. Keep it sealed and use the battery maker’s AGM charging procedure if charging is needed.

Can the lithium-only regulator be used with this AGM battery?

The separately listed lithium regulator specifically excludes lead-acid and AGM batteries. Choose charging equipment compatible with the installed battery chemistry and verify the motorcycle’s charging output.

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Send your model and year, plus photos of your existing part and any changes to the original setup.

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