ALPHA 5 48V 100Ah LiFePO4 Battery Server Rack
Rich Solar's ALPHA 5 delivers reliable energy storage for residential, commercial, and off-grid deployments. The 48V 100Ah LiFePO4 battery combines long cycle life with a compact, server-ready footprint, enabling scalable storage in both new builds and retrofits.
Key specifications
- Nominal voltage: 48 V
- Nominal capacity: 100 Ah
- Energy: 4,800 Wh
- Charge voltage range: up to 52.5 V (52.0–52.5 V)
- Continuous charge/discharge: 100 A
- Max discharge current: 100 A
- Cycle life: >7,000 cycles at 1C (77°F, 80% DoD)
- 20-year lifespan with proper maintenance
- Self-discharge: <3%/month at 50% SOC
- BMS and protection: over-charge, over-discharge, over-current, short-circuit; cell-level fuse; isolated failed cell
- Temperature performance: charge 32°F–113°F; discharge -4°F–122°F; storage -4°F–122°F
- Protection ratings: enclosure IP20; waterproof IP65
- Dimensions (battery): 19" L × 18 3/4" W × 5 1/4" H; weight 92.6 lb
- Parallel-ready: connect in parallel for larger capacity
- Included hardware: BMS, 1 ft RS485 cable, parallel cables per battery
Server rack integration
- Battery server rack dimensions: 39" L × 32" W × 24" H; weight 159 lb
- Rack construction: high-quality cold-rolled steel, 1.5 mm frame
- Compact footprint enables stackable configurations for data centers or off-grid installations
Installation and maintenance
Smart charger with constant current/constant voltage charging keeps the 48 V system within specification. The unit offers lightweight handling via a removable carry handle and supports safe operation in a wide temperature range. Regular inspection of connections and BMS status is recommended; no routine calibration is required beyond monitoring performance.
Warranty and service
Lifetime customer support from Rich Solar ensures access to technical assistance and system optimization throughout the product life.
ALPHA 5 | 48V 100Ah LiFePO4 Battery Server Rack Lithium for Residential, Commercial, Off-Grid
7,000 Cycles. LiFePO4 Lithium Battery. 20 Years Lifespan.
RICH SOLAR 48V 100Ah lithium iron phosphate battery (Alpha 5 Server) has a much longer cycle life capacity, and is easier to maintain compared to other battery technologies. The LiFePO4 technology has better thermal and chemical stability, which improves battery safety and packed with power in a small and lightweight footprint.
Features:
- Extremely high number of charge/discharge cycles
- 20 Year lifespan with proper maintenance
- Built-in smart battery management system
- Wide operating temperature range
- Unsurpassed high temperature performance
- Green energy without metal contaminant
- Low maintenance
- High amp capacity
- Stable output voltage
- Little self-discharge
- Lifetime customer support
- Over charging or discharging protection.
- Over current & short circuit protection.
- High & low temperature disconnects
- Charge Voltage: 52.5V
- Max Charge Current: 100 A
- Max Discharge Current: 100 A
- Battery Dimensions: 19"L x 18 3/4"W x 5 1/4"H
- Weight: 92.6 lb
- Connect in Parallel for Larger Capacity
BMS Safety Protection
- Each cell is fused and if for some unlikely situation a cell fails, this design will isolate the cell stopping any other damage and allows the battery to function safely
- Convenient removable carry handle
- Lightweight
- Short circuit protected
- Physical damage to battery case will not cause fire
- Excessive thermal exposure will not cause a fire
- Able to withstand over-charge/over-discharge without damage to the battery
- Sophisticated Battery Management System (BMS)
Included:
- 1 foot RS485 communication cable
- Set of parallel cables per battery
- 4.8kWh (48V 100Ah) lithium iron phosphate battery
Battery Server Rack
- Battery Server Rack Dimensions: 39"L x 32"W x 24"H
- Weight: 159 lb
- Material: High-quality cold-rolled steel plate
- Protection level: IP20
- Packaging: Carton + wooden pallet
Specifications
Electrical Specifications
Nominal Voltage:
48V
Nominal Capacity (at.5C, 77°F):
100Ah
Minimum Capacity (at.5C, 77°F):
99.5Ah
Expected Cycle Life:
>7000 cycles w/1C charge and discharge rate, at 77°F, 80% DOD
Operating Specifications
Charge Method:
Smart charger, constant current, constant voltage
Operating Voltage:
48 V
Capacity:
100 Ah
Energy:
4800 Watt Hours
Charge Voltage Range (Max 52.5V):
52.0 -52.5V
Continuous Charge Current:
100A
Continuous Discharge Current:
100A
Over Voltage Shutdown:
52.5 +/-0.2V
Discharge Cut-off Voltage:
42V =/- 0.5V
Self Discharge (stored at 50% SOC):
<3%/month
Waterproof:
IP65
Temperature Performance
Charge Temperature:
32° F to 113° F
Discharge Temperature:
-4° F to 122° F
Storage Temperature:
-4° F to 122° F
BMS High Temperature Cut-off:
149°F
BMS Low Temperature Cut-off:
32°F
Physical Specifications
Battery Dimensions(L*W*H):
19x 17.7x 5.2 in
Weight:
42kg/92.6 lb
Battery Server Rack Specifications
Battery Server Rack Dimensions(L*W*H):
27.6 x 27.6 x 44 in
Weight:
196 lb
Thickness:
Frame 1.5mm, top/bottom plate 1.2mm, column 2.0mm, mesh door plate 1.2mm, side plate (screw fixed) 1.0mm, L-shaped bracket 2.0mm;
Material:
High-quality cold-rolled steel plate
Protection level:
IP20
BMS Operation
Over Charge Protection
Over charge detection voltage:
3.9 +/- 0.05V
Over charge detection delay time:
0.96 – 1.4s
Over charge release voltage:
3.80 +/-0.05V
Maximum charge voltage:
3.65 +/-0.05V
Over Discharge Protection
Over discharge detection voltage:
2.0V +/- 0.05V
Over discharge detection delay time:
115-173ms
Over discharge release voltage:
2.3V +/- 0.10V
Over Current Protection Over current detection delay time:
9 +/- 2ms
Over current release condition:
Cut load
Polarity Reverse Protection: Yes
Short Circuit Protection: Yes
Communication Ports: RS485/CAN
Warranty: 10 Year Manufacturer Defect