Pytes V16
A rugged, fully listed 16 kWh battery for outdoor whole-home backup with a 48 V inverter. You pay a premium for the IP66 enclosure and Pytes’ compatibility testing.
Current Connected $3,659$3,659
The Pytes V16 is the better 48V solar battery overall, rated 4.5 to 4.3. The Pytes V16 leads on safety listing and features. The ECO-WORTHY PowerMega 314 wins on value. The ECO-WORTHY PowerMega 314 costs $1,319.01 less ($2,339.99 vs $3,659).
ECO-WORTHY PowerMega 314
A low-cost 16 kWh floor battery for off-grid and backup builders who want big capacity with few modules. Permitted grid-tied installs may need a model with UL 9540A.
Amazon $2,499.99 ECO-WORTHY $2,339.99$2,339.99
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 Pytes V16 for safety listing (UL 1973, UL 9540 listed vs UL 1973 listed) and features (inverter communication, self-heating, app vs app; no self-heating).
- Choose the ECO-WORTHY PowerMega 314 for value ($146 per rated kWh vs $229 per rated kWh).
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 | Pytes V16 | ECO-WORTHY PowerMega 314 |
|---|---|---|
| Overall rating | 4.5/5 | 4.3/5 |
| Value 35% | 82 $229 per rated kWh | 100 $146 per rated kWh |
| Output 15% | 49 200 A continuous (about 10.2 kW) | 48 200 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 | 50 UL 1973 listed |
| Cycle life 10% | 100 8,000 cycles, maker rating | 100 10,000 cycles, maker rating |
| Features 10% | 100 inverter communication, self-heating, app | 50 app; no self-heating |
Specifications
| Pytes V16 | ECO-WORTHY PowerMega 314 | |
|---|---|---|
| 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 | 16.1 kWh |
| Usable energy | - | 16.1 kWh |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 8,000 | 10,000 |
| Power | ||
| Continuous discharge | 200 A | 200 A |
| Peak discharge | 300 A | - |
| Max charge current | 200 A | 200 A |
| Modules in parallel | Up to 16 | Up to 15 |
| Safety and communication | ||
| UL 1973 | Yes | Yes |
| UL 9540A | Yes | No |
| UL 9540 | Yes | No |
| Communication | CAN, RS485, RS232, dry contact, Wi-Fi | CAN, RS485, RS232 |
| Works with inverters | Victron, Sol-Ark, EG4, LuxPower, Growatt, Deye, SMA, Solis, Studer, Voltronic | - |
| Self-heating | Yes | No |
| App | Yes | Yes |
| Build | ||
| Display | - | Yes |
| Built-in breaker | Yes | Yes |
| Enclosure | IP66 | - |
| Dimensions | 27.1 x 10.2 x 27.6 in | 33.13 x 19.69 x 10.24 in |
| Weight | 288 lb | 280 lb |
| Warranty | 10 years | 10 years |
| Released | 2025-09 | 2026-02 |