System Design

If you need help, we have a list of frequently asked questions and answers. Click a question below to view the answer.

Can I add Pytes batteries to an existing battery bank of non-Pytes batteries?

No. Mixing PYTES batteries with other battery chemistries or types in a single system is not recommended and will void the warranty.

Can I increase the size of an existing Pytes battery bank by adding more batteries?

Yes. Adding new batteries to an old system is perfectly okay. Because PYTES batteries require parallel configuration, old batteries will not hamper the performance of new ones that are added to increase the total battery bank capacity. However, you must remember to reconfigure the inverter and charge controller settings to reflect the new total system size whenever batteries are added. More detailed information on the process can be found in our User Manuals.

How big of a battery bank can I make with Pytes batteries?

PYTES batteries can meet all residential need. The only practical limitation is the configuration of the inverters. Depending on the manufacturer and model, there are different limits on how many inverters can be stacked together to function with a single battery bank. To date, there are successful installations of up to 56 PYTES batteries paralleled together with Hub.

How many batteries do I need for my project?

The number of PYTES batteries you will need depends on a number of factors, including but not limited to:

what the end-user’s energy needs are

what types of loads they want to support

what energy sources they have (solar, wind, diesel, etc.)

what their goals are (back- power for critical loads only, net-zero, demand charge management, peak shaving, TOU, etc)

what project constraints exist

PYTES Product Engineers can work with you to assist with technical support to design your project.

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