• Knight Electric

Generac Standby Generator Batteries


Power. Our lives depend on it. From everyday necessities like heating, cooling, refrigeration and lights, to daily essentials like cooking, laundry or kids' bath times. Power outages are occurring more frequently than ever and lasting longer with devastating effects. Stand up to unpredictable weather and unforeseen outages with the most trusted name in residential standby power. If the power ever goes out, your Generac standby generator goes on - automatically - protecting you and your home 24/7 ... 365 days a year.

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Wet Cell Battery - 26R - Model: 5819

Air-Cooled Generators

Portable Generators

Cold Weather Kits

Maintenance Kits

Liquid-Cooled Generators (please call)

Transfer Switches

Remote Monitors


Every standby generator requires a battery to start the system. In efforts to achieve the easiest generator installation, Generac offers the recommended 26R, wet cell battery applicable for virtually all residential Generac standby generators.

For use with all air-cooled standby product and liquid cooled standby product 60kw and below, excluding the QT4842.

  • 5819 - Wet Cell Battery - 26R

Generac Generator your source of backup power...

The Heart of Peace-of-Mind.

How Does It Work Video

Imagine your home without power.

How Does It Work?

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Generac Generator Sales & Service Dealer

Authorized Sales & Service Dealer

Authorized Generac Sales & Service Dealer