



Rich Solar Alpha 5 48V/100Ah Powerwall LiFePO4 Deep Cycle Battery
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Specs
SKU | RS-B48100 |
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 | 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 |
Warranty | 10 Year Manufacturer Defect |

6,000 Cycles. 20 Year Lifespan.

Rich Solar Alpha Deep Cycle Battery Features
- Extremely high number of charge/discharge cycles
- 20 Year lifespan with proper maintenance
- Wide operating temperature range
- Unsurpassed high temperature performance
- Lightweight with a convenient removable carry handle

BMS Safety Protection
The Rich Solar Alpha Deep Cycle Battery has a built-in smart battery management system. 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