ElectricalEasy DIYBest in fall
Test generator starting battery
Standby batteries quietly die in about 3 years — test before you need them.
How often
Once a year
Time needed
30 min
Typical cost
$0–$120
Helps avoid
~$600
How to do it
We've put together a search for current, well-rated walkthrough videos for this exact job.
Watch how-to videosCommon questions
How often should you test generator starting battery?
Once a year. Best in fall.
How much does it cost to test generator starting battery?
Typically $0 to $120 in parts and supplies. Skipping it risks roughly $600 in repair or replacement costs.
How long does it take?
About 30 min.
Can I test generator starting battery myself?
Yes — this is a straightforward job for most homeowners with basic tools.
Which of these does your home actually need?
Answer a few questions about your home and HomeGuard builds your personalized maintenance schedule — the right tasks, at the right time of year, for your appliances and climate.
Build my free scheduleMore electrical maintenance
Run generator test under load
Every month · 20 min
Change generator oil & filter
Once a year · 1 hr
Professional generator service
Once a year · 2 hrs (pro)
Check fuel supply & stabilizer
Twice a year · 20 min
Inspect electrical panel
Once a year · 1 hr (pro)
Test GFCI & AFCI outlets
Every month · 15 min