SunGoldPower SG48100P
#2 in Server rackFull review
A proven 5 kWh rack module with a screen and wide inverter support, for indoor home backup and off-grid banks. Choose the heated SGH48100T for cold sheds.
Amazon $1,121 SunGoldPower $1,090$1,090
The SunGoldPower SG48100P rates 4.6 among server rack 48V solar batterys; the Growatt ALP 5.0L-E2 US rates 4.0 among wall and floor mount ones. The SunGoldPower SG48100P costs $457.55 less ($1,090 vs $1,547.55).
Growatt ALP 5.0L-E2 US
An outdoor-rated 5 kWh battery for owners of a Growatt US hybrid inverter. Owners of other inverter brands get more for less from a rack module.
Amazon $1,547.55$1,547.55
Prices were last checked October 24, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different case classes (server rack and wall and floor mount), and each is scored against the reference points for its own class, so a rating says how well each does among its own case peers. How we rank explains each factor.
| Factor weight | SunGoldPower SG48100P | Growatt ALP 5.0L-E2 US |
|---|---|---|
| Overall rating | 4.6/5 | 4.0/5 |
| Value 35% | 86 $213 per rated kWh | 66 $302 per rated kWh |
| Output 15% | 100 100 A continuous (about 5.1 kW) | 43 60 A continuous (about 3.1 kW) |
| Warranty 15% | 100 10-year warranty | 100 10-year warranty |
| Safety listing 15% | 100 UL 1973, UL 9540A listed | 100 UL 1973, UL 9540A listed |
| Cycle life 10% | 80 7,000 cycles at 80% depth, maker rating | 50 cycle life not published (neutral score used) |
| Features 10% | 55 inverter communication; no self-heating | 70 inverter communication |
Specifications
| SunGoldPower SG48100P | Growatt ALP 5.0L-E2 US | |
|---|---|---|
| Capacity | ||
| Case | Server rack (19-inch) | Wall or floor mount |
| Nominal voltage | 51.2 V | 51.2 V |
| Capacity | 100 Ah | 100 Ah |
| Energy | 5.1 kWh | 5.1 kWh |
| Usable energy | - | 4.6 kWh |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 7,000 at 80% depth | - |
| Power | ||
| Continuous discharge | 100 A | 60 A |
| Peak discharge | 150 A | - |
| Max charge current | 100 A | 60 A |
| Modules in parallel | Up to 63 | Up to 8 |
| Safety and communication | ||
| UL 1973 | Yes | Yes |
| UL 9540A | Yes | Yes |
| UL 9540 | No | No |
| Communication | CAN, RS485, RS232 | CAN |
| Works with inverters | Growatt, Deye, SunGoldPower, Luxpower, Victron, Schneider, Phocos, SMK | Growatt |
| Self-heating | No | - |
| Build | ||
| Display | Yes | - |
| Built-in breaker | Yes | - |
| Enclosure | IP20 | IP66 |
| Dimensions | 19.3 x 18.9 x 5.5 in | 28.0 x 7.3 x 11.6 in |
| Weight | 93 lb | 101.4 lb |
| Warranty | 10 years | 10 years |
| Released | 2023-07 | 2024-06 |