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48V Server Rack Battery · LiFePO4 · PRO
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.
~6 hours (57.6V, 20A, 0.2C)
1 sunny day (>1,500W)
~6 hours (20A DC-DC charger)
| 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 |
The battery supports RS485 and CAN protocols for compatibility with major inverter brands, selectable in system settings for proper communication.
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.
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.
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.
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.
No. Rich Solar confirms the ALPHA 5 PRO is not compatible with the original ALPHA 5 (RS-B4811), which is now discontinued - the two models cannot be connected or used together in one battery bank. Build or expand your system with ALPHA 5 PRO units only.
UL1973, UL9540A, FCC, UN38.3, and MSDS.
The ALPHA 5 PRO is backed by a 10-year warranty.
Free shipping on all orders within the mainland US (Hawaii, Alaska and overseas territories excluded - a freight forwarder is required). Orders ship directly from our brand partners' warehouses across the U.S. Order confirmation is emailed immediately; if an item is unexpectedly backordered we notify you before your card is charged. In-stock items are processed within 1-4 business days (cut-off 4:00 PM EST), transit is 3-6 business days, and tracking is emailed within 24 hours of shipment. Typical delivery is 4-10 business days from purchase. Minimum order value is $69.
You have 30 days from the delivery date to initiate a return (35 days for orders placed Nov 25-30 and Dec 25-31). Items must be unused, in original packaging with tags attached, and returns require prior authorization from our team.
To start a return: +1 (307) 317-7213, hello@ecosolarkits.com, or live chat. Read the full return and refund policy
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