Richsolar Alpha 5 Powerwall Lithium Iron Phosphate Battery

6,000 Cycles. LiFePO4. 20 Year Lifespan. RICH SOLAR 48V lithium battery 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: 50 A Max Discharge Current: 100 A Battery Dimensions: 23 1/4″L x 14 7/8″W x 6 1/8″H Weight: 100 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) 48V 100Ah LiFePO4 Deep Cycle Lithium Iron Phosphate Battery Specifications 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: YesShort Circuit Protection: Yes Warranty 3 Year Manufacturer Defect