1. Recommended Core Products (2025 Mainstream Market Models)

　　1.1 High Weather Resistance Industrial Grade

　　Waterproof Rating: IP65 protective enclosure, all-weather dustproof and waterproof

　　Core Parameters:

　　Capacity: 20.48kWh (4-module stacking)

　　Temperature Range: -20℃~55℃ (with heating film, chargeable at low temperatures)

　　Peak Discharge: 480A (2 seconds), suitable for heavy-duty equipment

　　Advantages: UL1973 certification, WiFi remote control, 10-year warranty

　　1.2 Portable Household Type

　　Waterproof Design: Outdoor-grade sealed structure, suitable for camping/RVs

　　Core Parameters:

　　Battery Type: Lithium iron phosphate (LFP) (8,500 cycles)

　　Output Power: 5kW continuous, 15kW peak

　　Charging Efficiency: MPPT controller 80A, photovoltaic input 4.5kW

　　Advantages: 30-year design life, pure sine wave output, suitable for household emergency use

　　2. Key Performance Indicators for Outdoor Adaptation

　　For industrial-grade models, the waterproof rating is IP65 (resistant to heavy rain/high-pressure water spray), with a temperature adaptation range of -20℃~50℃ (for charging and discharging). They are equipped with overcurrent/overvoltage/thermal protection plus heating films, and adopt a stacking installation method (545 lbs for 4 modules).

　　For household-grade models, the waterproof rating is IP64 (resistant to splashing water), with an operating temperature range of 0℃~65℃. They feature six-level BMS protection and a portable mobile design (with handles).

　　3. Outdoor Application Scenarios and Configuration Schemes

　　3.1 Farms/Off-Grid Residences (20kW System Reference)

　　Configuration: 40 pieces of 350W photovoltaic panels + 192V lithium battery pack + 20kW inverter

　　Waterproof Measures:

　　IP65 encapsulation for battery cabinets

　　Silicone sealing for cable interfaces

　　Adaptable Equipment: Refrigerators, water pumps, security systems (supporting 110V/220V switching)

　　3.2 Outdoor Operations/Emergency Rescue

　　Industrial-grade models are preferred for these scenarios, as they support parallel expansion of up to 30 units (maximum 600kWh) and adopt a natural cooling design that requires no fan maintenance.

　　4. Key Points for Purchase Decision

　　Waterproof Rating Verification:

　　For industrial scenarios (e.g., farms/base stations), the waterproof rating should be ≥IP65

　　For portable scenarios (e.g., camping/RVs), the waterproof rating should be ≥IP64

　　Reference Standard: IP67 allows short-term water immersion, while IP65 resists heavy rain

　　Battery Type Selection:

　　Lithium iron phosphate (LFP): Preferred choice (cycle life is 3 times that of ternary lithium batteries)

　　Gel batteries: Only recommended for scenarios with limited budgets (2-year warranty)

　　Certification Compliance:

　　North American Market: UL1973 certification (fire safety)

　　Global Universal: IEC 62619 + CE certification

　　5. Maintenance and Life Extension Tips

　　Installation Specifications:

　　Install the battery cabinet at an incline (≥15°) to avoid water accumulation on the top

　　Apply waterproof glue to cable interfaces (as per general battery installation recommendations)

　　Daily Maintenance:

　　Clean the heat dissipation holes quarterly (IP65 enclosures can be rinsed with high pressure)

　　Activate the heating function in low-temperature environments

　　Life Protection:

　　Maintain the battery charge level within the 30%~80% range for storage

　　Avoid forced charging at temperatures below -10℃

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