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 4.1. The SunGoldPower SG48100P leads on output. The Pytes V5α Plus wins on features.
Pytes V5α Plus
#8 in Server rackFull review
Pytes’ second-generation V5, adding a breaker, Wi-Fi and fire suppression. Worth seeking out for a code-compliant rack system once US stock appears.
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 output (100 A continuous (about 5.1 kW) vs 75 A continuous (about 3.8 kW)).
- Choose the Pytes V5α Plus for features (inverter communication, self-heating, 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 V5α Plus |
|---|---|---|
| Overall rating | 4.6/5 | 4.1/5 |
| Value 35% | 86 $213 per rated kWh | 50 no current price (neutral score used) |
| Output 15% | 100 100 A continuous (about 5.1 kW) | 64 75 A continuous (about 3.8 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, maker rating |
| Features 10% | 55 inverter communication; no self-heating | 100 inverter communication, self-heating, app |
Specifications
| SunGoldPower SG48100P | Pytes V5α Plus | |
|---|---|---|
| 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 |
| Power | ||
| Continuous discharge | 100 A | 75 A |
| Peak discharge | 150 A | - |
| Max charge current | 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, RS232, dry contact, Wi-Fi |
| 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 | - | Yes |
| Build | ||
| Display | Yes | - |
| Built-in breaker | Yes | Yes |
| Enclosure | IP20 | IP20 |
| Dimensions | 19.3 x 18.9 x 5.5 in | 19.1 x 22.8 x 5.5 in |
| Weight | 93 lb | 100 lb |
| Warranty | 10 years | 10 years |
| Released | 2023-07 | 2025-10 |