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 4.5. The SunGoldPower SG48100P leads on features. The Ruixu RX-LFP48100 costs $31 less ($1,059 vs $1,090).
Ruixu RX-LFP48100
#4 in Server rackFull review
A UL 1973 certified 5 kWh rack module at a fair price for indoor home or cabin systems. Get the -H version if it lives somewhere that freezes.
Ruixu $1,059$1,059
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 features (inverter communication; no self-heating 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 | Ruixu RX-LFP48100 |
|---|---|---|
| Overall rating | 4.6/5 | 4.5/5 |
| Value 35% | 86 $213 per rated kWh | 87 $207 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 9540A 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 | 40 inverter communication; no self-heating |
Specifications
| SunGoldPower SG48100P | Ruixu RX-LFP48100 | |
|---|---|---|
| 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 |
| Usable energy | - | 4.9 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 | 149 A |
| Max charge current | 100 A | 70 A |
| Modules in parallel | Up to 63 | Up to 32 |
| Safety and communication | ||
| UL 1973 | Yes | Yes |
| UL 9540A | Yes | Yes |
| UL 9540 | No | No |
| Communication | CAN, RS485, RS232 | CAN, RS485 |
| Works with inverters | Growatt, Deye, SunGoldPower, Luxpower, Victron, Schneider, Phocos, SMK | Victron, SMA, Studer, Sol-Ark, Solis, Goodwe, Deye, Growatt, LuxPower, Schneider, Voltronic, MPP |
| Self-heating | No | No |
| App | - | No |
| Build | ||
| Display | Yes | - |
| Built-in breaker | Yes | - |
| Enclosure | IP20 | IP20 |
| Dimensions | 19.3 x 18.9 x 5.5 in | 19.0 x 18.1 x 5.3 in |
| Weight | 93 lb | 103.6 lb |
| Warranty | 10 years | 10 years |
| Released | 2023-07 | 2023-07 |