ECO-WORTHY Wallbank S100
An inexpensive wall-hung 5 kWh battery for indoor off-grid or backup systems. Pick the UL-listed Cubix100 if you need a permit.
ECO-WORTHY $869.99$869.99
The ECO-WORTHY Wallbank S100 is the better 48V solar battery overall, rated 4.2 to 3.3. The ECO-WORTHY Wallbank S100 leads on warranty, value and features. The Renogy 48V 50Ah Core Self-Heating costs $168 less ($701.99 vs $869.99).
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.
Which should you buy?
- Choose the ECO-WORTHY Wallbank S100 for warranty (10-year warranty vs 5-year warranty), value ($170 per rated kWh vs $292 per rated kWh) and features (inverter communication, app; no self-heating vs self-heating; no listed inverter communication).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every wall and floor mount 48V solar battery; a clear win is highlighted. How we rank explains each one.
| Factor weight | ECO-WORTHY Wallbank S100 | Renogy 48V 50Ah Core Self-Heating |
|---|---|---|
| Overall rating | 4.2/5 | 3.3/5 |
| Value 35% | 96 $170 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% | 0 no UL listing | 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 Wallbank S100 | Renogy 48V 50Ah Core Self-Heating | |
|---|---|---|
| Capacity | ||
| Case | Wall or floor mount | 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 |
| Max charge current | 100 A | 50 A |
| Modules in parallel | Up to 32 | Up to 8 |
| Safety and communication | ||
| UL 1973 | No | No |
| UL 9540A | No | No |
| UL 9540 | No | No |
| Communication | CAN, RS485, RS232 | - |
| Works with inverters | Pylon, Growatt, Deye, Victron, SRNE, LuxPower, GoodWe | - |
| Self-heating | No | Yes |
| App | Yes | No |
| Build | ||
| Display | No | No |
| Built-in breaker | Yes | - |
| Enclosure | - | IP65 |
| Dimensions | 18.2 x 19.1 x 5.8 in | 15.1 x 7.6 x 9.8 in |
| Weight | 97 lb | 51.4 lb |
| Warranty | 10 years | 5 years |
| Released | 2026-03 | 2025-04 |