Where Do I Get a Replacement Battery for My Portable Generator?

Consult the generator owner's manual for the specific battery part number. Home standby batteries can be found in most auto parts stores. Portable batteries can be purchased from Amazon, Batteries Plus, OrderTree, and large hardware store chains like Home Depot and Lowe's.

  • Dec 12, 2025
  • Knowledge

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Where Do I Get a Replacement Battery for My Portable Generator?
URL Name
Where-Do-I-Get-a-Replacement-Battery-for-My-Generac-Generator

Public Answer

Read the manual thoroughly and understand all of the instructions, cautions, and warnings before using this equipment. If any section of the manual is not understood, contact your nearest authorized dealer, or contact Generac Customer Service at 1-888-436-3722 (1-888-GENERAC), or www.generac.com with any questions or concerns. 

Portable generator batteries

Portable generators with an electric start mechanism will have a replaceable, rechargeable battery. The battery part number for a specific generator is listed in the generator's user manual or in its exploded view (EV) document. Use the online Product Lookup tool to locate a user manual for a specific generator. See below for a list of the most common portable generator battery part numbers.

 

GP Series
Model NumberGP 6500EGP 7500EGP 8000EGP 9500 ETFGP 10000EGP 15000EGP 175000E
Battery Part Number0G94490G94490G9449A00020999880G94490D4575 0D4575
XT Series
Model NumberXT 8000EXT 8000-EFIXT 8500-EFI
Battery Part Number0G94490G94490G9449
XG Series
Model NumberXG 7000EXG 8000E
Battery Part Number0G94490G9449
XP Series
Model NumberXP 6500EXP 8000EXP 10000E
Battery Part Number0G94490G9449104831
XC Series
Model NumberXC 6500EXC 8000E
Battery Part Number0G94490G9449
IQ Series
Model NumberiQ3500
Battery Part Number10000038386

 

Generac OEM batteries can be purchased from Ordertree.com or other online retailers. Simply enter the part number for the battery you need and search. Replacement batteries can also be purchased from Amazon, Batteries Plus, and large hardware stores like Home Depot and Lowe's.

 

Home standby generator batteries

Most home standby generators will use batteries purchased from an auto parts store. See the What Battery Do I Need for My Home Standby Generator? article for more information. 

See also

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