Ruixu RX-LFP48100-H
#3 in Server rackFull review
The heated version of Ruixu’s UL 1973 rack module, for cold garages and cabins. It costs only about $40 more than the unheated one.
Ruixu $1,099$1,099
The Ruixu RX-LFP48100-H is the better 48V solar battery overall, rated 4.6 to 4.4. The Ruixu RX-LFP48100-H leads on value. The Rich Solar Alpha 5 Pro wins on features. The Ruixu RX-LFP48100-H costs $700.99 less ($1,099 vs $1,799.99).
Rich Solar Alpha 5 Pro
#7 in Server rackFull review
For DIY solar owners who want a rack battery with an app, heater and wide inverter support in one box. It costs a bit more than the budget leaders but needs no add-ons.
Amazon $1,799.99$1,799.99
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 Ruixu RX-LFP48100-H for value ($215 per rated kWh vs $352 per rated kWh).
- Choose the Rich Solar Alpha 5 Pro for features (inverter communication, self-heating, app vs inverter communication, self-heating; no app).
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-H | Rich Solar Alpha 5 Pro |
|---|---|---|
| Overall rating | 4.6/5 | 4.4/5 |
| Value 35% | 86 $215 per rated kWh | 55 $352 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% | 60 6,000 cycles at 90% depth, maker rating | 80 7,000 cycles at 80% depth, maker rating |
| Features 10% | 70 inverter communication, self-heating; no app | 100 inverter communication, self-heating, app |
Specifications
| Ruixu RX-LFP48100-H | Rich Solar Alpha 5 Pro | |
|---|---|---|
| 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 | 7,000 at 80% depth |
| Power | ||
| Continuous discharge | 100 A | 100 A |
| Peak discharge | 149 A | - |
| Max charge current | 70 A | 100 A |
| Modules in parallel | Up to 32 | Up to 15 |
| Safety and communication | ||
| UL 1973 | Yes | Yes |
| UL 9540A | Yes | Yes |
| UL 9540 | No | No |
| Communication | CAN, RS485 | CAN, RS485, RS232 |
| Works with inverters | Victron, SMA, Studer, Sol-Ark, Solis, Goodwe, Deye, Growatt, LuxPower, Schneider, Voltronic, MPP | Victron, Sol-Ark, Schneider, Growatt, Luxpower, SMA, Solis, GoodWe, Megarevo, Senergy, Pylon protocol |
| Self-heating | Yes | Yes |
| App | No | Yes |
| Build | ||
| Display | - | Yes |
| Built-in breaker | - | Yes |
| Enclosure | IP20 | IP21 |
| Dimensions | 19.0 x 18.1 x 5.3 in | 17.7 x 17.8 x 5.2 in, 3U |
| Weight | 103.6 lb | 100.9 lb |
| Warranty | 10 years | 10 years |
| Released | 2023-12 | 2024-08 |