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 is the better 48V solar battery overall, rated 4.6 to 4.0. The SunGoldPower SG48100P leads on value and output. The Discover AES Rackmount 5.12kWh Heated wins on features. The SunGoldPower SG48100P costs $630 less ($1,090 vs $1,720).
Discover AES Rackmount 5.12kWh Heated
#12 in Server rackFull review
For installers building permitted off-grid or backup systems around Schneider, Victron or SMA gear. It costs more than budget rack batteries, but you get cold-weather charging and a UL 9540 path.
NAZ Solar Electric $1,720$1,720
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.
Which should you buy?
- Choose the SunGoldPower SG48100P for value ($213 per rated kWh vs $336 per rated kWh) and output (100 A continuous (about 5.1 kW) vs 70 A continuous (about 3.6 kW)).
- Choose the Discover AES Rackmount 5.12kWh Heated for features (inverter communication, self-heating; no app vs inverter communication; no self-heating).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every server rack 48V solar battery; a clear win is highlighted. How we rank explains each one.
| Factor weight | SunGoldPower SG48100P | Discover AES Rackmount 5.12kWh Heated |
|---|---|---|
| Overall rating | 4.6/5 | 4.0/5 |
| Value 35% | 86 $213 per rated kWh | 59 $336 per rated kWh |
| Output 15% | 100 100 A continuous (about 5.1 kW) | 57 70 A continuous (about 3.6 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, self-heating; no app |
Specifications
| SunGoldPower SG48100P | Discover AES Rackmount 5.12kWh Heated | |
|---|---|---|
| Capacity | ||
| Case | Server rack (19-inch) | Server rack (19-inch) |
| Nominal voltage | 51.2 V | 51.2 V |
| Capacity | 100 Ah | 100 Ah |
| Energy | 5.1 kWh | 5.1 kWh |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 7,000 at 80% depth | - |
| Power | ||
| Continuous discharge | 100 A | 70 A |
| Peak discharge | 150 A | 218 A |
| Max charge current | 100 A | 70 A |
| Modules in parallel | Up to 63 | Up to 36 |
| Safety and communication | ||
| UL 1973 | Yes | Yes |
| UL 9540A | Yes | Yes |
| UL 9540 | No | No |
| Communication | CAN, RS485, RS232 | CAN (LYNK port) to LYNK II Gateway |
| Works with inverters | Growatt, Deye, SunGoldPower, Luxpower, Victron, Schneider, Phocos, SMK | Schneider, Victron, Sol-Ark, SMA, Studer, Growatt, Solis, Deye, Luxpower, Sunsynk, NOARK, Selectronic |
| Self-heating | No | Yes |
| App | - | No |
| Build | ||
| Display | Yes | No |
| Built-in breaker | Yes | Yes |
| Enclosure | IP20 | IP20 |
| Dimensions | 19.3 x 18.9 x 5.5 in | 497 x 439 x 133.5 mm (19.6 x 17.3 x 5.3 in), 3U |
| Weight | 93 lb | 97 lb |
| Warranty | 10 years | 10 years |
| Released | 2023-07 | 2023-09 |