Quote:
Originally Posted by Marios
...but you dont need a high powered one even 1 .25 amp Charger is good enough jus tmeans will take longer to charge generally over night.
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Mainly, that's true - 1.25A would be fine for a 9Ah battery, or even larger.
But there's a technicality that's probably worth mentioning - lower rated chargers (that supply a low initial/maximum current) won't de-sulphate the battery as well as higher current chargers (though there are other factors such as age, temperature that come into play). For maximum life, the rating of the charger should be no less than 1/20th the nominal battery capacity.
If you only have one battery, there's no issue - just choose a suitable charger. Difficulties may arise if you use one charger for batteries of different capacity - then you'll have to pick a "happy medium" for your charger.