(954) 249-2314
If overnight runtime matters more than adding panels today, this is the larger battery-bank option. Six ALPHA 5 PRO batteries provide 30.72kWh of nominal storage, paired with two NOVA 6548 inverters for a configured 120/240V system. Solar panels are not included, so you can plan the array around your property.
Factory SKU: RS-CBK1302. Installation is required. Battery capacity is nominal; usable AC energy is lower after losses and reserve settings.
Best use cases
- Longer overnight coverage for measured household essentials
- Remote properties planning a separate solar array
- Battery-first installations using compatible utility or generator charging
Why choose this kit?
- Six batteries prioritize stored energy and overnight autonomy
- No bundled panels to duplicate an existing compatible array
- Hybrid inverters accept compatible utility, generator, and solar inputs
What is included?
- 2 x 6500W 48V Off-grid Hybrid Solar Inverters (RS-H6548)
- 6 x ALPHA 5 PRO 51.2V 100Ah Server Rack Lithium Batteries (RS-B5121P)
- 2 x 600 AMP Busbars
- 4 x 4 ft 2/0 AWG Wire Sets (3/8")
Only the listed equipment is included. Installation labor, permits, building transfer equipment, and additional site-specific materials are separate. A rack is included only where explicitly listed.
Full specifications
| Factory SKU | RS-CBK1302 |
|---|---|
| Solar array | No panels included |
| Battery bank | 30.72kWh nominal |
| Battery count | 6 |
| DC system | 48V class |
| AC configuration | 120/240V split phase when configured |
| Inverter nameplate total | 13000W |
| Surge nameplate | 26000VA combined; system and battery limits apply |
Battery specifications — per ALPHA 5 PRO
| Model | ALPHA 5 PRO / RS-B5121P |
|---|---|
| Per-battery voltage / capacity | 51.2V / 100Ah / 5,120Wh |
| Chemistry | LiFePO4 |
| Max charge / continuous discharge | 100A / 100A per battery |
| Max charge voltage / cutoff | 57.6V / 40.0V |
| Recommended charge current | 20A per battery |
| Cycle rating | 7,000+ at 70% depth of discharge |
| Dimensions per battery | 17.7 × 17.8 × 5.2 in |
| Weight per battery | 100.9 lb |
| Protection / housing | IP21 / metal; protected indoor location |
| Charging / discharge temperatures | 32°F to 140°F / -4°F to 149°F |
| Monitoring / communication | Wi-Fi, Bluetooth, RS485, CAN, RS232, dry contact |
| Heating | 150W internal heater |
| Expansion | Up to 30 in parallel, subject to design and revision compatibility |
| Warranty | 10-year limited manufacturer warranty |
Hybrid inverter specifications — per unit
| Model | NOVA 6548 / RS-H6548 |
|---|---|
| Per-inverter continuous / surge | 6,500W / 13,000VA; battery limits apply |
| Per-inverter AC output | 120V ±5%, pure sine wave |
| Two-inverter configuration | 120/240V split phase only when correctly wired and configured |
| Nominal DC input | 48V |
| Nominal AC input / sensing | 120V; 50/60Hz automatic |
| Peak efficiency | 91% |
| Transfer time | 10ms UPS / 20ms appliance setting per unit; parallel operation may differ |
| Maximum PV array per inverter | 8,000W (4,000W × 2) |
| MPPT / maximum PV Voc | 90–450V / 550V |
| PV input current | 18A × 2 |
| Maximum total charging current | 120A per inverter; set within battery-bank limits |
| Dimensions per inverter | 5.8 × 17.0 × 21.8 in |
| Weight per inverter | 40.6 lb |
| Operating temperature | 14°F to 104°F |
| Humidity | 5–95% noncondensing |
| Communication | USB, RS232, RS485, Wi-Fi, dry contact |
| Parallel capability | Up to 6 compatible units |
| Warranty | 3-year limited manufacturer warranty |
Power planning and installation
30.72kWh is stored energy, not a promise of a full day for every home. Heating, cooking, pumps, and air conditioning can change runtime substantially.
Have a qualified installer check cold-weather panel open-circuit voltage, MPPT startup voltage, input current, battery settings, cable ampacity, fusing, grounding, and mounting. House circuits require approved transfer or isolation equipment. Keep indoor-rated electronics protected, and never backfeed an outlet.
Frequently asked questions
Does the 30.72kWh kit include solar panels?
No. It contains six batteries, two inverters, busbars, and the listed battery wiring. Panels and their installation must be planned separately.
Is this the same as the four-battery kit?
No. This RS-CBK1302 configuration has six batteries for 30.72kWh. Its included accessory list is also different; do not assume the four-battery kit’s rack or solar cables are included.
How do I estimate runtime?
This six-battery bank holds 30,720Wh nominally. For an overnight estimate, total the average watts of the equipment that stays on and include the consumption of both inverters. Usable AC energy is lower than the bank rating.
Is installation included?
Installation is separate. Six batteries need a suitable protected location, appropriately rated interconnections, and settings matched to the inverter pair. A solar array, mounting, and its wiring are separate additions.
What warranty applies?
The ALPHA 5 PRO batteries have 10-year limited manufacturer coverage and the NOVA 6548 inverters have 3-year coverage. Installation work and separately purchased components have their own terms.
Manufacturer specifications and manuals
- RS-H6548-Specification 250625.pdf
- ALPHA 5 PRO 20260826.pdf
- RS-H6548 Manual 8befb997-a343-44ab-89e8-5cc2dd27b83f.pdf
- ALPHA 5 PRO MANUAL 241128 compressed.pdf
Battery figures above follow the linked August 2026 sheets. Earlier kit copy may show different revision specifications; confirm delivered labels and manuals before configuring the system.
AllProGenerators support
More batteries can help with runtime, but the right starting point is your daily energy use. Let us work through that with you. Call Frank at 954-249-2314. AllProGenerators has served generator buyers since 2018.
Compare off-grid solar systems and browse our Rich Solar products.
| Shipping | This item ships to |
 |
Fast Shipping in the USA. Items ship the same or next day We process orders 7 days a week to ensure the fastest shipping possible. All generators are shipped as fast as possible out of several US locations to ensure the fastest delivery. |
|
 |
We Put Our Customers First We have done the research for you to find the best manufacturers with the best warranties. Every unit on our site is covered by a high quality manufacturers warranty. |
|
 |
We offer the absolute lowest price we can offer |
|
 |
We insist that you love our service. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again. |
|
 |
Ordering from AllProGenerators.com is 100% safe and secure so you can rest easy. Your personal details are never shared, sold or rented to anyone either. |
Description
If overnight runtime matters more than adding panels today, this is the larger battery-bank option. Six ALPHA 5 PRO batteries provide 30.72kWh of nominal storage, paired with two NOVA 6548 inverters for a configured 120/240V system. Solar panels are not included, so you can plan the array around your property.
Factory SKU: RS-CBK1302. Installation is required. Battery capacity is nominal; usable AC energy is lower after losses and reserve settings.
Best use cases
- Longer overnight coverage for measured household essentials
- Remote properties planning a separate solar array
- Battery-first installations using compatible utility or generator charging
Why choose this kit?
- Six batteries prioritize stored energy and overnight autonomy
- No bundled panels to duplicate an existing compatible array
- Hybrid inverters accept compatible utility, generator, and solar inputs
What is included?
- 2 x 6500W 48V Off-grid Hybrid Solar Inverters (RS-H6548)
- 6 x ALPHA 5 PRO 51.2V 100Ah Server Rack Lithium Batteries (RS-B5121P)
- 2 x 600 AMP Busbars
- 4 x 4 ft 2/0 AWG Wire Sets (3/8")
Only the listed equipment is included. Installation labor, permits, building transfer equipment, and additional site-specific materials are separate. A rack is included only where explicitly listed.
Full specifications
| Factory SKU | RS-CBK1302 |
|---|---|
| Solar array | No panels included |
| Battery bank | 30.72kWh nominal |
| Battery count | 6 |
| DC system | 48V class |
| AC configuration | 120/240V split phase when configured |
| Inverter nameplate total | 13000W |
| Surge nameplate | 26000VA combined; system and battery limits apply |
Battery specifications — per ALPHA 5 PRO
| Model | ALPHA 5 PRO / RS-B5121P |
|---|---|
| Per-battery voltage / capacity | 51.2V / 100Ah / 5,120Wh |
| Chemistry | LiFePO4 |
| Max charge / continuous discharge | 100A / 100A per battery |
| Max charge voltage / cutoff | 57.6V / 40.0V |
| Recommended charge current | 20A per battery |
| Cycle rating | 7,000+ at 70% depth of discharge |
| Dimensions per battery | 17.7 × 17.8 × 5.2 in |
| Weight per battery | 100.9 lb |
| Protection / housing | IP21 / metal; protected indoor location |
| Charging / discharge temperatures | 32°F to 140°F / -4°F to 149°F |
| Monitoring / communication | Wi-Fi, Bluetooth, RS485, CAN, RS232, dry contact |
| Heating | 150W internal heater |
| Expansion | Up to 30 in parallel, subject to design and revision compatibility |
| Warranty | 10-year limited manufacturer warranty |
Hybrid inverter specifications — per unit
| Model | NOVA 6548 / RS-H6548 |
|---|---|
| Per-inverter continuous / surge | 6,500W / 13,000VA; battery limits apply |
| Per-inverter AC output | 120V ±5%, pure sine wave |
| Two-inverter configuration | 120/240V split phase only when correctly wired and configured |
| Nominal DC input | 48V |
| Nominal AC input / sensing | 120V; 50/60Hz automatic |
| Peak efficiency | 91% |
| Transfer time | 10ms UPS / 20ms appliance setting per unit; parallel operation may differ |
| Maximum PV array per inverter | 8,000W (4,000W × 2) |
| MPPT / maximum PV Voc | 90–450V / 550V |
| PV input current | 18A × 2 |
| Maximum total charging current | 120A per inverter; set within battery-bank limits |
| Dimensions per inverter | 5.8 × 17.0 × 21.8 in |
| Weight per inverter | 40.6 lb |
| Operating temperature | 14°F to 104°F |
| Humidity | 5–95% noncondensing |
| Communication | USB, RS232, RS485, Wi-Fi, dry contact |
| Parallel capability | Up to 6 compatible units |
| Warranty | 3-year limited manufacturer warranty |
Power planning and installation
30.72kWh is stored energy, not a promise of a full day for every home. Heating, cooking, pumps, and air conditioning can change runtime substantially.
Have a qualified installer check cold-weather panel open-circuit voltage, MPPT startup voltage, input current, battery settings, cable ampacity, fusing, grounding, and mounting. House circuits require approved transfer or isolation equipment. Keep indoor-rated electronics protected, and never backfeed an outlet.
Frequently asked questions
Does the 30.72kWh kit include solar panels?
No. It contains six batteries, two inverters, busbars, and the listed battery wiring. Panels and their installation must be planned separately.
Is this the same as the four-battery kit?
No. This RS-CBK1302 configuration has six batteries for 30.72kWh. Its included accessory list is also different; do not assume the four-battery kit’s rack or solar cables are included.
How do I estimate runtime?
This six-battery bank holds 30,720Wh nominally. For an overnight estimate, total the average watts of the equipment that stays on and include the consumption of both inverters. Usable AC energy is lower than the bank rating.
Is installation included?
Installation is separate. Six batteries need a suitable protected location, appropriately rated interconnections, and settings matched to the inverter pair. A solar array, mounting, and its wiring are separate additions.
What warranty applies?
The ALPHA 5 PRO batteries have 10-year limited manufacturer coverage and the NOVA 6548 inverters have 3-year coverage. Installation work and separately purchased components have their own terms.
Manufacturer specifications and manuals
- RS-H6548-Specification 250625.pdf
- ALPHA 5 PRO 20260826.pdf
- RS-H6548 Manual 8befb997-a343-44ab-89e8-5cc2dd27b83f.pdf
- ALPHA 5 PRO MANUAL 241128 compressed.pdf
Battery figures above follow the linked August 2026 sheets. Earlier kit copy may show different revision specifications; confirm delivered labels and manuals before configuring the system.
AllProGenerators support
More batteries can help with runtime, but the right starting point is your daily energy use. Let us work through that with you. Call Frank at 954-249-2314. AllProGenerators has served generator buyers since 2018.
Compare off-grid solar systems and browse our Rich Solar products.
Shipping
| Shipping | This item ships to |
Delivery
|
Fast Shipping in the USA. Items ship the same or next day We process orders 7 days a week to ensure the fastest shipping possible. All generators are shipped as fast as possible out of several US locations to ensure the fastest delivery. |
|
Why Buy From Us
|
We Put Our Customers First We have done the research for you to find the best manufacturers with the best warranties. Every unit on our site is covered by a high quality manufacturers warranty. |
|
|
We offer the absolute lowest price we can offer |
|
|
We insist that you love our service. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again. |
|
|
Ordering from AllProGenerators.com is 100% safe and secure so you can rest easy. Your personal details are never shared, sold or rented to anyone either. |
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