ECO-WORTHY Cubix100
#1 in Server rackFull review
A low-cost, UL-listed 5 kWh rack module for permitted indoor home backup. Pick a heated or low-temp model if it lives in an unheated space.
Amazon $889.99 ECO-WORTHY $889.99$889.99
The ECO-WORTHY Cubix100 rates 4.7 among server rack 48V solar batterys; the Renogy 48V 50Ah Core Self-Heating rates 3.3 among wall and floor mount ones. The Renogy 48V 50Ah Core Self-Heating costs $188 less ($701.99 vs $889.99).
Renogy 48V 50Ah Core Self-Heating
A rugged, heated 2.4 kWh battery for small 48 V off-grid and RV systems that don’t need inverter communication.
Renogy $701.99$701.99
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.
Scores side by side
These two sit in different case classes (server rack and wall and floor mount), and each is scored against the reference points for its own class, so a rating says how well each does among its own case peers. How we rank explains each factor.
| Factor weight | ECO-WORTHY Cubix100 | Renogy 48V 50Ah Core Self-Heating |
|---|---|---|
| Overall rating | 4.7/5 | 3.3/5 |
| Value 35% | 95 $174 per rated kWh | 68 $292 per rated kWh |
| Output 15% | 100 100 A continuous (about 5.1 kW) | 100 50 A continuous (about 2.4 kW) |
| Warranty 15% | 100 10-year warranty | 29 5-year warranty |
| Safety listing 15% | 100 UL 1973, UL 9540 listed | 0 no UL listing |
| Cycle life 10% | 60 6,000 cycles at 80% depth, maker rating | 60 6,000 cycles at 80% depth, maker rating |
| Features 10% | 70 inverter communication, app; no self-heating | 30 self-heating; no listed inverter communication |
Specifications
| ECO-WORTHY Cubix100 | Renogy 48V 50Ah Core Self-Heating | |
|---|---|---|
| Capacity | ||
| Case | Server rack (19-inch) | Wall or floor mount |
| Nominal voltage | 51.2 V | 48 V |
| Capacity | 100 Ah | 50 Ah |
| Energy | 5.1 kWh | 2.4 kWh |
| Usable energy | 5.1 kWh | - |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 6,000 at 80% depth | 6,000 at 80% depth |
| Power | ||
| Continuous discharge | 100 A | 50 A |
| Peak discharge | 120 A | - |
| Max charge current | 100 A | 50 A |
| Modules in parallel | Up to 32 | Up to 8 |
| Safety and communication | ||
| UL 1973 | Yes | No |
| UL 9540A | Yes | No |
| UL 9540 | Yes | No |
| Communication | CAN, RS485, RS232 | - |
| Works with inverters | Victron, Deye, Growatt, Lux Power, Sol-Ark, GoodWe, EG4, SRNE | - |
| Self-heating | No | Yes |
| App | Yes | No |
| Build | ||
| Display | No | No |
| Built-in breaker | Yes | - |
| Enclosure | - | IP65 |
| Dimensions | 22.09 x 19.02 x 5.63 in | 15.1 x 7.6 x 9.8 in |
| Weight | 103 lb | 51.4 lb |
| Warranty | 10 years | 5 years |
| Released | 2026-03 | 2025-04 |