Generac 9344 — Battery Capacity Test
Testing & diagnosis
For the Generac 9344, from the Generac service manual.
Applies to: Generac 9344
Procedure
- Connect battery to capacity tester.
- Turn load knob until current draw equals three times battery rating.
- Hold current draw for 15 seconds and observe battery voltage.
- If voltage remains 9.6 volts or more, battery is good.
- If below 9.6 volts, fast charge at no more than 40 amps; replace if over 16.5 volts after three minutes.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Load equals 3 times battery rating
- Hold 15 seconds
- Good if 9.6 volts or more
- Charger not to exceed 40 amps
Full service-parts list: Generac 9344 →
Source: Generac service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.