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
The Ruixu RX-LFP48100 is the better 48V solar battery overall, rated 4.5 to 4.4. The Ruixu RX-LFP48100 leads on value. The Pytes V5 wins on features. The Ruixu RX-LFP48100 costs $391 less ($1,059 vs $1,450).
Prices were last checked November 4, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Pytes V5
#5 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
Which should you buy?
- Choose the Ruixu RX-LFP48100 for value ($207 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 | Ruixu RX-LFP48100 | Pytes V5 |
|---|---|---|
| Overall rating | 4.5/5 | 4.4/5 |
| Value 35% | 87 $207 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% | 60 6,000 cycles at 90% depth, maker rating | 60 6,000 cycles at 90% depth, maker rating |
| Features 10% | 40 inverter communication; no self-heating | 70 inverter communication, self-heating; no app |
Specifications
| Ruixu RX-LFP48100 | 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 |
| Usable energy | 4.9 kWh | - |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 6,000 at 90% depth | 6,000 at 90% depth |
| Power | ||
| Continuous discharge | 100 A | 100 A |
| Peak discharge | 149 A | 180 A |
| Max charge current | 70 A | 100 A |
| Modules in parallel | Up to 32 | Up to 96 |
| Safety and communication | ||
| UL 1973 | Yes | Yes |
| UL 9540A | Yes | Yes |
| UL 9540 | No | Yes |
| Communication | CAN, RS485 | CAN, RS485 |
| Works with inverters | Victron, SMA, Studer, Sol-Ark, Solis, Goodwe, Deye, Growatt, LuxPower, Schneider, Voltronic, MPP | Victron, Sol-Ark, EG4, LuxPower, Growatt, Deye, SMA, Solis, Studer, Voltronic |
| Self-heating | No | Yes |
| App | No | No |
| Build | ||
| Enclosure | IP20 | - |
| Dimensions | 19.0 x 18.1 x 5.3 in | 17.4 x 20.9 x 5.5 in (3.2U) |
| Weight | 103.6 lb | 97 lb |
| Warranty | 10 years | 10 years |
| Released | 2023-07 | 2022-09 |