Application / Residential

Residential Solar Storage & Backup

A home battery should be designed around measured loads, solar production, critical circuits, desired outage duration, and inverter compatibility.

Residential solar and battery backup system

What the residential solar and backup solution must accomplish

A home battery should be designed around measured loads, solar production, critical circuits, desired outage duration, and inverter compatibility.

Monthly utility bills do not show the timing, surge, or criticality of household loads. Whole-home backup and critical-load backup are different designs, while photovoltaic output, export rules, seasonal conditions, and installation space affect the practical battery size.

Recommended system-design approach

Create a critical-load schedule, measure or estimate each load's power and daily energy, then model the solar and grid operating modes. Select rack, stacked, or wall-mounted batteries only after the inverter, communications, energy, and installation requirements are known.

  • Critical and non-critical circuits, continuous power, and motor-start surge
  • Daily energy, desired outage duration, solar production, and recharge time
  • Inverter voltage, communications, approved battery count, and changeover design
  • Indoor or outdoor location, wall or floor structure, clearances, and cable routing
  • Local electrical, fire, permitting, and utility interconnection requirements

How to prepare a technical brief

A useful technical brief describes the operating problem before naming a product. Follow the steps below so the proposal can be sized against real loads, constraints, and operating priorities.

  • List loads by watts, hours per day, surge demand, and backup priority.
  • Choose critical-load or whole-home scope before selecting capacity.
  • Confirm inverter and battery communications compatibility.
  • Compare rack, stacked, and wall formats against the installation space.

Product starting points

Compare suitable product starting points

Use published ratings to create a shortlist, then confirm the final configuration against the project data and site conditions.

51.2 V 100 Ah Rack-Mounted Energy Storage Module

solar storage

51.2 V Rack Module

A rack-mounted 51.2 V, 100 Ah battery module with 5.12 kWh nominal energy for compatible solar and backup architectures.

Nominal voltage
51.2 V
Nominal capacity
100 Ah
Nominal energy
5.12 kWh
51.2 V 100 Ah Stacked Energy Storage Module

solar storage

5.12 kWh Stacked Module

A modular stacked home-storage format built around verified 51.2 V, 100 Ah, 5.12 kWh battery modules.

Nominal voltage per module
51.2 V
Nominal capacity per module
100 Ah
Nominal energy per module
5.12 kWh
51.2 V Wall-Mounted Energy Storage Series

solar storage

Wall-Mounted Home Battery

A 51.2 V wall-mounted battery series with verified nominal energy options of 5.12, 10.24, and 15.36 kWh.

Nominal voltage family
51.2 V
Nominal energy options
5.12 / 10.24 / 15.36 kWh
Installation format
Wall mounted

Technical reading

Use the supporting selection guides

selection guide

Home Battery Sizing

Home-battery sizing starts with a critical-load schedule, power and surge requirements, daily energy, desired autonomy, solar production, and the inverter's supported battery configuration.

Read guide →
selection guide

Home Battery Formats

Rack, stacked, and wall-mounted batteries mainly differ in mechanical format, expansion method, service access, footprint, cable routing, and integration. Energy needs and inverter compatibility remain the first filters.

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buyer guide

Solar Battery Decision Guide

A solar battery is worth evaluating when it supports a defined objective that can be modeled from interval loads, solar production, outage needs, export limits, tariffs, and operating constraints.

Read guide →

Frequently asked questions

What buyers ask before specifying a battery system

How is a battery sized for a solar project?
Sizing starts with interval load data, photovoltaic production, desired backup loads, outage duration, export limits, tariff periods, and the operating objective. Oversizing from monthly consumption alone can produce a poor technical and commercial result.
Can a home battery back up every household load?
Only if the inverter power, battery energy, surge requirement, wiring, and changeover design support those loads. Critical-load backup and whole-home backup are different designs and should be specified separately.
How do rack-mounted, stacked, and wall-mounted home batteries differ?
They primarily differ in installation format, expansion method, service access, footprint, and system integration. Select the format after checking space, inverter compatibility, required energy, cable routing, and local installation rules.
Is nameplate energy the same as usable energy?
Not necessarily. Usable energy depends on the permitted state-of-charge window, operating conditions, conversion losses, control strategy, and project limits. Ask for both nominal and usable values in the final proposal.

Discuss a residential solar and backup project

Send real load and site inputs. The application context will stay attached to the inquiry.