... specifications:1. Long lifespan, over 2000 times.2. Good quality with CE, ROHS, UN38.3, MSDS certifications, light weight ≤3.0KGs ... . self-discharge will accelerated at higher temperature4. Don’t expose the battery to extremes of temperature over 60°C,directly to sources ... of heat, direct sunlight or moisture and/or rain UN Approved lifepo4 battery pack with ...