Quote:
Originally Posted by Diego
Agreed, it is probably time for a new battery. Perfectly normal to see an older battery not hold charge as well during colder weather, and you need plenty of cranking power to make this engine turn over. A tender can be handy in extending the life of a battery, but even the best of them don't live forever.
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Nothing lasts forever, including you.......
It's not perfectly normal for an older battery to not hold a charge as well. It's a combination of factors including neglect and operating in adverse conditions that cause a battery to die a slow death. Batteries need to be maintained, just like the rest of the machine.
As far as a Battery Tender is concerned, a Battery Tender is a brand name (Deltran). There are many more just as good, if not better alternatives out there. My personal choice is a pulsed current charger that's electronically sensed. The charger not only 'thinks' and controls the charging current (amperage) but pulses the current during the charge cycle to shed any lead sulfate from the plates. The lead sulfate is what causes the battery to 'die'. Batteries never die, they sulfate to a point where they either short internally or they can't generate enough current because the sulfation has reduced the available chemical transfer are on the plats to a point where the battery can't produce the required amperage.
The current a battery produces is nothing more than a chemical reaction between the electrolyte (acid) and the plates (lead/zink), in a normal battery.
Battery technology has come a long way, from the flooded cell to the AGM that comes standard in most bikes including the R3. The AGM in the R3, whith proper care, should last at least 6 years with no loss of CCA (Cold Cranking Amperage). If it don't, you aren't maintaining it properly and that includes keeping all the connections clean and tight because a dirty connection is a high resistance connection and a loose connection is a break in the circuit.
The alternators on Triumph motorcycles provide more than enough output at low RPM's to keep the battery fully charged, run the system and even provide extra amperage for acessories but, the connections (all) must be maintained. Just like changing the oil or airing the tires.