Rich Solar Alpha 5 Powerwall Lithium Iron Phosphate Battery

Electrical Specifications

• Nominal Voltage: 48V
• Nominal Capacity(at .5C, 77°F): 100Ah
• Minimum Capacity (at .5C, 77°F): 95Ah
• Expected Cycle Life: >6000 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: 5000 Watt Hours
• Charge Voltage Range (Max 52.5V): 52.0 -52.5V
• Continuous Charge Current: 50A
• 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

Temperature Performance

• Charge Temperature: 32° F to 140° F
• Discharge Temperature: -4° F to 140° F
• Storage Temperature: -4° F to 140° F
• BMS High Temperature Cut-off: 149°F
• BMS Low Temperature Cut-off: 32°F

Physical Specifications

• Battery Dimensions: 23 1/4″L x 14 7/8″W x 6 1/8″H
• Weight: 100 lb
• Group Size: 15
• Battery post size: 5/16″

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