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 4.4. The SunGoldPower SG48100P leads on value. The Pytes V5 wins on features. The SunGoldPower SG48100P costs $360 less ($1,090 vs $1,450).
Pytes V5
#6 in Server rackFull review
A fully UL-listed, heated 5 kWh rack module for permitted home installs. It’s worth the premium when your inspector wants UL 9540.
Signature Solar $1,450$1,450
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 $283 per rated kWh).
- Choose the Pytes V5 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 | Pytes V5 |
|---|---|---|
| Overall rating | 4.6/5 | 4.4/5 |
| Value 35% | 86 $213 per rated kWh | 70 $283 per rated kWh |
| Output 15% | 100 100 A continuous (about 5.1 kW) | 100 100 A continuous (about 5.1 kW) |
| Warranty 15% | 100 10-year warranty | 100 10-year warranty |
| Safety listing 15% | 100 UL 1973, UL 9540A listed | 100 UL 1973, UL 9540 listed |
| Cycle life 10% | 80 7,000 cycles at 80% depth, maker rating | 60 6,000 cycles at 90% depth, maker rating |
| Features 10% | 55 inverter communication; no self-heating | 70 inverter communication, self-heating; no app |
Specifications
| SunGoldPower SG48100P | Pytes V5 | |
|---|---|---|
| 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 | 6,000 at 90% depth |
| Power | ||
| Continuous discharge | 100 A | 100 A |
| Peak discharge | 150 A | 180 A |
| Max charge current | 100 A | 100 A |
| Modules in parallel | Up to 63 | Up to 96 |
| Safety and communication | ||
| UL 1973 | Yes | Yes |
| UL 9540A | Yes | Yes |
| UL 9540 | No | Yes |
| Communication | CAN, RS485, RS232 | CAN, RS485 |
| Works with inverters | Growatt, Deye, SunGoldPower, Luxpower, Victron, Schneider, Phocos, SMK | Victron, Sol-Ark, EG4, LuxPower, Growatt, Deye, SMA, Solis, Studer, Voltronic |
| Self-heating | No | Yes |
| App | - | No |
| Build | ||
| Display | Yes | - |
| Built-in breaker | Yes | - |
| Enclosure | IP20 | - |
| Dimensions | 19.3 x 18.9 x 5.5 in | 17.4 x 20.9 x 5.5 in (3.2U) |
| Weight | 93 lb | 97 lb |
| Warranty | 10 years | 10 years |
| Released | 2023-07 | 2022-09 |