SunGoldPower SGH48100T
#5 in Server rackFull review
A heated, UL 1973 rack module for battery banks in cold sheds and garages. Pick the SG48100P if your batteries stay indoors and you want a screen.
Amazon $1,094.80$1,094.80
4.4/5
For DIY solar owners who want a rack battery with an app, heater and wide inverter support in one box. It costs a bit more than the budget leaders but needs no add-ons.
- 5.1 kWhCapacity
- 100 AOutput
- 7,000Cycles
- YesUL 9540A
- 10 yearsWarranty
Check price at Amazon$1,799.99
Price checked October 24, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Talks to most popular inverters, including Victron, Sol-Ark, Schneider and Growatt
- Wi-Fi and Bluetooth app plus a front display show charge and alarms without extra hardware
- UL 1973 certified, with a 10-year warranty and a 7,000-cycle rating
- Built-in heater on current units for winter charging
Cons
- Peaks at 100 A, so surge loads need more modules than rivals with higher bursts
- Costs more than EG4 and SOK rack batteries of the same size
- No full UL 9540 system listing
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its case. How we rank explains each one.
Specifications
| Model number | ALPHA 5 PRO |
|---|---|
| Capacity | |
| Case | Server rack (19-inch) |
| Nominal voltage | 51.2 V |
| Capacity | 100 Ah |
| Energy | 5.1 kWh |
| Chemistry | LiFePO4 |
| Cycle life | 7,000 at 80% depth |
| Power | |
| Continuous discharge | 100 A |
| Max charge current | 100 A |
| Modules in parallel | Up to 15 |
| Safety and communication | |
| UL 1973 | Yes |
| UL 9540A | Yes |
| UL 9540 | No |
| Communication | CAN, RS485, RS232 |
| Works with inverters | Victron, Sol-Ark, Schneider, Growatt, Luxpower, SMA, Solis, GoodWe, Megarevo, Senergy, Pylon protocol |
| Self-heating | Yes |
| App | Yes |
| Build | |
| Display | Yes |
| Built-in breaker | Yes |
| Enclosure | IP21 |
| Dimensions | 17.7 x 17.8 x 5.2 in, 3U |
| Weight | 100.9 lb |
| Warranty | 10 years |
| Released | 2024-08 |
Alternatives in this case
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
Pytes V5α Plus
#8 in Server rackFull review
Pytes’ second-generation V5, adding a breaker, Wi-Fi and fire suppression. Worth seeking out for a code-compliant rack system once US stock appears.
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