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 All-Weather 314Ah are evenly matched, rated 4.5 and 4.5. The Ruixu Lithi2-16 leads on value. The EG4 WallMount All-Weather 314Ah wins on features. The Ruixu Lithi2-16 costs $776 less ($3,059 vs $3,835).
EG4 WallMount All-Weather 314Ah
The outdoor pick in EG4’s wall lineup, for owners who want large heated 16 kWh blocks outside the house. It pairs best with EG4 inverters but talks to most major brands.
Signature Solar $3,835 Current Connected $3,835$3,835
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 $240 per rated kWh).
- Choose the EG4 WallMount All-Weather 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 All-Weather 314Ah |
|---|---|---|
| Overall rating | 4.5/5 | 4.5/5 |
| Value 35% | 91 $191 per rated kWh | 80 $240 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 All-Weather 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 | IP67 |
| Dimensions | 36.3 x 21.3 x 9.8 in | 34.6 x 21.7 x 9.3 in (880 x 550 x 235 mm) |
| Weight | 302 lb | 309 lb |
| Warranty | 10 years | 10 years |
| Released | 2024-04 | 2026-01 |