Reasonable Battery Life Question

Simple thing:

How long should a motorcycle battery be expected to last between rides? Last rode Tuesday and didn’t want to start cold this morning at like 50+degrees in my garage.

Long version:

My friend bought a 2018 XSR700 in April 2019. Battery always faded quick, like no good riding weekends (busy life) only. Buy trickle charger (still need to install quick connect- Oye) and eventually am riding more and charging less.

But eventually he miss a week. Battery won’t charge. Ok- he’d been expecting this day for months. Figure cost of buying bike that’s been sitting unsold for too long.

Replace battery. Ride every couple days or more- no issues noticed. Go camp the family, miss a weekend, bike goes Wednesday-to-Monday between rides and my recently new battery is now behaving like departed original.

This can’t be right.

Anyone have any thoughts?

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Comments

Franklyn 23 Jan 2021

A battery should last a few years when it's plugged into a battery tender between rides. There is no reason you should have had to replace the battery on a bike purchased in April of this year. If you have a USB outlet installed they can slowly drain the battery even when the bike is off. Otherwise install the leads for a battery tender and plug it in. If you do that and are still getting battery drain and slow starts I'd investigate some kind of parasitic draw somewhere.

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Saad Hany 23 Jan 2021

Months if you just turn off the ignition and leave it. It sounds like something is draining your battery.

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