48V Server Rack Battery · LiFePO4 · PRO
5,120Wh of Rack-Mounted Power With Bluetooth and Subzero Heating
The ALPHA 5 PRO is Rich Solar’s premium 51.2V 100Ah server rack battery — rated for 7,000+ cycles with a 10-year warranty, Bluetooth and WiFi app monitoring, and an integrated 150W heater for cold-weather charging, built for residential, commercial, RV, and off-grid systems.
What Sets the ALPHA 5 PRO Apart
Real-Time Battery Insight
- WiFi + Bluetooth app monitors SOC, voltage, current, temperature, and capacity in real time
- Instant alerts for safe battery operation
- Front-panel LCD and LED display shows SOC, status, and alarms at a glance
Integrated 150W Subzero Heater
- Charging locks out entirely below 32°F
- Internal heating automatically starts below 41°F
- Heating stops once the battery warms past 50°F
Advanced Safety
- Smart BMS protects against overcharge, over-discharge, overcurrent, and temperature fluctuations
- Automatic cell balancing
- Dual-layer safety: fail-safe circuit breaker plus FET protection for extreme conditions (-4°F to 239°F)
- Certified to UL1973, UL9540A, FCC, UN38.3, and MSDS standards
Premium LiFePO₄ Cells
- Grade-A prismatic cells with a welded design — no loose connections
- 7,000+ cycles at 80% depth of discharge
- 5,120Wh in a compact, lightweight design
- Discharges reliably from -4°F to 149°F
Easy Rack-Mount Installation
- Standard 3U rack-mount size fits most server racks
- Robust sheet metal casing for durability and strength
- Built-in carry handles for effortless transport and installation
Optional Battery Server Rack
- Holds up to 6 ALPHA 5 Series batteries (30.72kWh combined)
- 600A copper busbars with protective covers
- Scales cleanly as system capacity grows
Integrated 150W Subzero Heater
Three Ways to Charge
LiFePO4 Charger
~6 hours (57.6V, 20A, 0.2C)
Solar Panel
1 sunny day (>1,500W)
Generator
~6 hours (20A DC-DC charger)
Full Specifications
| Nominal voltage | 51.2 V |
| Nominal capacity | 100 Ah |
| Nominal energy | 5,120 Wh |
| Max. discharge current | 100 A |
| Max. charging voltage | 57.6 V |
| Max. charging current | 100 A |
| Charge temperature | 32°F to 140°F |
| Discharge temperature | -4°F to 149°F |
| Wireless monitoring | WiFi + Bluetooth |
| Protection class | IP21 |
| Weight | 100.9 lbs |
| Dimensions | 17.7 × 17.8 × 5.2 in |
Multi-Brand Communication Protocols
The battery supports RS485 and CAN protocols for compatibility with major inverter brands, selectable in system settings for proper communication.
RS485 Protocol
CAN Protocol
Where It Fits
Common Questions
What does the app monitor?
Real-time state of charge, voltage, current, temperature, and capacity via WiFi or Bluetooth, with instant alerts for battery status — available for both iOS and Android.
Can it charge in freezing temperatures?
Charging locks out entirely below 32°F. An integrated 150W heater activates automatically below 41°F to bring the battery to a safe charging temperature, then shuts off once it passes 50°F.
How many units can be paralleled together?
Up to 30 units, with an optional battery server rack that holds up to 6 batteries (30.72kWh) using 600A copper busbars for larger, cleaner installations.
Is it compatible with inverters from other brands?
Yes — it supports both RS485 and CAN communication protocols matched to major brands including Pylon, Growatt, Victron Energy, SOL-Ark, Schneider, LuxPower, GoodWe, Solis, Senergy, SMA, and MegaRevo.
What certifications does it carry?
UL1973, UL9540A, FCC, UN38.3, and MSDS.
What’s the warranty?
The ALPHA 5 PRO is backed by a 10-year warranty.
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