Ruixu Lithi2-16
A heated, weather-resistant 16 kWh battery with full UL listings, at a low price per kWh. A good fit for a whole-home backup system with a 48 V inverter.
Amazon $3,099 Ruixu $3,059$3,059
The Ruixu Lithi2-16 and the EG4 WallMount Indoor 314Ah are evenly matched, rated 4.5 and 4.5. The Ruixu Lithi2-16 leads on value. The EG4 WallMount Indoor 314Ah wins on features. The Ruixu Lithi2-16 costs $680.99 less ($3,059 vs $3,739.99).
EG4 WallMount Indoor 314Ah
EG4’s current indoor wall battery, for whole-home systems that want large heated 16 kWh blocks. It costs about $100 less than the All-Weather version if the battery can live indoors.
Signature Solar $3,739.99 Current Connected $3,739.99$3,739.99
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 Lithi2-16 for value ($191 per rated kWh vs $234 per rated kWh).
- Choose the EG4 WallMount Indoor 314Ah 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 wall and floor mount 48V solar battery; a clear win is highlighted. How we rank explains each one.
| Factor weight | Ruixu Lithi2-16 | EG4 WallMount Indoor 314Ah |
|---|---|---|
| Overall rating | 4.5/5 | 4.5/5 |
| Value 35% | 91 $191 per rated kWh | 81 $234 per rated kWh |
| Output 15% | 49 200 A continuous (about 10.2 kW) | 49 200 A continuous (about 10.2 kW) |
| Warranty 15% | 100 10-year warranty | 100 10-year warranty |
| Safety listing 15% | 100 UL 1973, UL 9540 listed | 100 UL 1973, UL 9540 listed |
| Cycle life 10% | 100 9,500 cycles at 80% depth, maker rating | 100 10,000 cycles at 80% depth, maker rating |
| Features 10% | 70 inverter communication, self-heating; no app | 100 inverter communication, self-heating, app |
Specifications
| Ruixu Lithi2-16 | EG4 WallMount Indoor 314Ah | |
|---|---|---|
| Capacity | ||
| Case | Wall or floor mount | Wall or floor mount |
| Nominal voltage | 51.2 V | 51.2 V |
| Capacity | 314 Ah | 314 Ah |
| Energy | 16 kWh | 16 kWh |
| Usable energy | 16 kWh | 12.9 kWh |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 9,500 at 80% depth | 10,000 at 80% depth |
| Power | ||
| Continuous discharge | 200 A | 200 A |
| Peak discharge | 360 A | - |
| Max charge current | 200 A | 157 A |
| Modules in parallel | Up to 32 | Up to 32 |
| Safety and communication | ||
| UL 1973 | Yes | Yes |
| UL 9540A | Yes | Yes |
| UL 9540 | Yes | Yes |
| Communication | CAN, RS485 | CAN, RS485 |
| Works with inverters | Victron, SMA, Studer, Sol-Ark, Solis, Goodwe, Deye, Growatt, LuxPower, Schneider, Voltronic, MPP | EG4, Growatt, Deye, Megarevo, Luxpower, Victron, Solis, SMA, Schneider, Voltronic |
| Self-heating | Yes | Yes |
| App | No | Yes |
| Build | ||
| Display | Yes | No |
| Built-in breaker | Yes | Yes |
| Enclosure | IP55 | IP20 |
| Dimensions | 36.3 x 21.3 x 9.8 in | 34.1 x 18.1 x 9.6 in (865 x 460 x 245 mm) |
| Weight | 302 lb | 293.2 lb |
| Warranty | 10 years | 10 years |
| Released | 2024-04 | 2025-11 |