1. Composition of a typical household energy storage system **Photovoltaic modules * *: 5-10kW rooftop solar panel array **Energy Storage Battery * *: Capacity Range: 5kWh-20kWh, Voltage Level: 48V Mainstream System, Type Selection: Lithium Iron Phosphate (LiFePO4) Priority (Safe/Long Life) **Hybrid inverter * *: equipped with MPPT charging control, grid/off dual mode switching, and backup power output function 2. Capacity configuration suggestions 10-15kWh/day: Recommended battery capacity -8-10kWh, photovoltaic matching power: 5-6kW, backup time: 8-12 hours 15-20kWh/day: Recommended battery capacity -12-15kWh, photovoltaic matching power: 6-8kW, backup time: 12-16 hours 20-30kWh/day: Recommended battery capacity -16-20kWh, photovoltaic matching power: 8-10kW, backup time: 16-24 hours
Product Technical Characteristics
1. Key parameters of battery system **Cycle life * *: ≥ 6000 cycles @ 80% DoD (LiFePO4) **Energy efficiency: Charging and discharging efficiency ≥ 95% **Intelligent management * *: Remote monitoring via mobile app (supporting iOS/Android), customized charging and discharging strategies (peak and valley electricity price optimization), fault self diagnosis system **Safety design * *: Level 3 BMS protection (cell/module/system level), thermal runaway warning system, IP65 protection level (universal installation indoors and outdoors) 2. System scalability **Modular design * *: supports 5kWh unit stacking and expansion **Multi machine parallel * *: Up to 4 units can be connected in parallel to form an 80kWh system **Generator compatibility * *: can be connected to a diesel generator as a backup power source
Typical application scenarios
1. Grid connected self consumption mode **Functional features: Priority self use of photovoltaic power generation, intelligent selection of storage or grid connection for remaining electricity, automatic adjustment of charging and discharging during peak and valley periods of electricity prices **Economic benefits * *: Reduce electricity expenses by 40-70%, with a payback period of 5-8 years (depending on local electricity pricing policies) 2. Off grid power supply system **Core configuration * *: The battery capacity needs to be increased by 30-50%, and an off grid inverter is necessary. It is recommended to configure a generator backup **Applicable scenarios * *: Areas without power grid coverage, areas with unstable power grids (annual power outages>50 times) 3. Emergency backup power supply **Key performance * *: millisecond level switching speed, automatic identification of critical loads (refrigerator/lighting/security system), can set backup priority
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