Rich Solar ALPHA 5 PRO 51.2V 100Ah LiFePO4: The 5 kWh Server-Rack Battery Factories & Big Shops Are Using to Go 100% Off-Grid in 2026
The One 48V/51.2V Battery That Ends Range Anxiety for Off-Grid Living & Business
You’re tired of:
- Lead-acid banks dying every 2–3 years
- Waking up to “low voltage” alarms at 3 a.m.
- Lugging heavy, leaking batteries out of your RV or cabin
- Paying insane prices for “big brand” server-rack batteries
The fix is finally here, and it’s cheaper than you think.
Meet the Rich Solar ALPHA 5 PRO 51.2V 100Ah, the toughest, smartest, longest-lasting 5 kWh server-rack battery built for real-world
Why Thousands Are Ditching EG4, SOK, and Lead-Acid for the ALPHA 5 PRO
- 5.12 kWh 100% usable every single day (51.2 V × 100 Ah)
- 8,000+ cycles at 80% DoD → 20+ years of daily cycling
- 10-year warranty + 15-year expected life
- Built-in 200 A BMS with low-temp cutoff AND optional heating pad (-20 °C charging)
- Bluetooth 5.0 monitoring + RS485/CAN for Victron, Growatt, EG4, Deye, Luxpower
- Active cell balancing + over/under voltage, temp & short-circuit protection
- UL1973, UL9540A, CE, UN38.3 certified
- Stack up to 16 in parallel = 81.92 kWh (perfect for whole-home or small commercial)
Real Setups People Are Running Right Now (2024–2025)
| Setup | Batteries | Inverter | Covers | Location |
|---|---|---|---|---|
| Full-time off-grid cabin | 3–4 | Victron 5 kVA | Winter heat, fridge, Starlink, well pump | Colorado / BC |
| Luxury Class-A RV | 2–3 | Victron 3 kVA | 2× roof A/C + induction cooktop | USA |
| Small farm irrigation + shop | 6–8 | Sol-Ark 12 kW | Barn lights, tools, freezer, office | Texas / Ontario |
| Tiny home / ADU | 2 | Growatt 6 kW | 100% off-grid living | California |
Cold-Climate Superpower (United State Approved)
Optional built-in heater automatically turns on below 0 °C so you can charge in -20 °C winters , no more “frozen battery” panic.
Bluetooth App = Zero Guesswork
Live data on your phone:
- Exact SoC %
- Temperature & health
- Real-time current in/out
- Cycle counter
- Firmware updates over the Wifi
Drop-In Replacement — No Rewiring Drama
Standard 19-inch 3U server-rack size. Slide it into your existing EG4/SOK/RackMount rack, plug the comms cable (or don’t, it works without), and you’re done.
Ready to Never Buy Another Battery Again?
Rich Solar ALPHA 5 PRO 51.2V 100Ah – In Stock & Shipping Today Add to Cart – Free Shipping to Lower 48
Limited-time bundle: Buy 4+ and get a FREE 19-inch rack + communication hub ($299 value)
Frequently Asked Questions (Google Loves These)
Will it work with my Victron Cerbo / EG4 / Sol-Ark? Yes, plug-and-play closed-loop comms or just run open loop.
How many for two 15,000 BTU mini-splits in an RV? 3 × ALPHA 5 PRO gives you 6–8 hours of dual A/C on a hot day.
Does it really charge at –20 °C? With the heating film enabled, yes, full 100 A charge rate.
What’s the weight? Only 99 lbs / 45 kg, one strong person can install it.
Stop settling for 3-year batteries in 2025.