Pytes V5
#6 in Server rackFull review
A fully UL-listed, heated 5 kWh rack module for permitted home installs. It’s worth the premium when your inspector wants UL 9540.
Signature Solar $1,450$1,450
The Pytes V5 is the better 48V solar battery overall, rated 4.4 to 3.7. The Pytes V5 leads on output and features.
Pytes E-Box 48100R Discontinued
#16 in Server rackFull review
An older UL-listed rack module whose 50 A limit means you need several for a typical inverter. Buy the V5 instead unless you find a clearance deal.
Inverters R UsPrices 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 V5 for output (100 A continuous (about 5.1 kW) vs 50 A continuous (about 2.6 kW)) and features (inverter communication, self-heating; no app vs inverter communication; no self-heating).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every server rack 48V solar battery; a clear win is highlighted. How we rank explains each one.
| Factor weight | Pytes V5 | Pytes E-Box 48100R |
|---|---|---|
| Overall rating | 4.4/5 | 3.7/5 |
| Value 35% | 70 $283 per rated kWh | 50 no current price (neutral score used) |
| Output 15% | 100 100 A continuous (about 5.1 kW) | 29 50 A continuous (about 2.6 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% | 60 6,000 cycles at 90% depth, maker rating | 60 6,000 cycles, maker rating |
| Features 10% | 70 inverter communication, self-heating; no app | 40 inverter communication; no self-heating |
Specifications
| Pytes V5 | Pytes E-Box 48100R | |
|---|---|---|
| Capacity | ||
| Case | Server rack (19-inch) | Server rack (19-inch) |
| Nominal voltage | 51.2 V | 51.2 V |
| Capacity | 100 Ah | 100 Ah |
| Energy | 5.1 kWh | 5.1 kWh |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 6,000 at 90% depth | 6,000 |
| Power | ||
| Continuous discharge | 100 A | 50 A |
| Peak discharge | 180 A | 102 A |
| Max charge current | 100 A | 50 A |
| Modules in parallel | Up to 96 | Up to 96 |
| Safety and communication | ||
| UL 1973 | Yes | Yes |
| UL 9540A | Yes | Yes |
| UL 9540 | Yes | Yes |
| Communication | CAN, RS485 | CAN, RS485 |
| Works with inverters | Victron, Sol-Ark, EG4, LuxPower, Growatt, Deye, SMA, Solis, Studer, Voltronic | Victron, Sol-Ark, EG4, Schneider, OutBack, Magnum, MidNite, Growatt, LuxPower, Studer, MPP, SRNE |
| Self-heating | Yes | No |
| App | No | No |
| Build | ||
| Dimensions | 17.4 x 20.9 x 5.5 in (3.2U) | 17.3 x 24.4 x 4.6 in (2.6U) |
| Weight | 97 lb | 112.5 lb |
| Warranty | 10 years | 10 years |
| Released | 2022-09 | 2022-08 |