... be widely used in many fields: agriculture,forestry,orchard,farm, wine industry,tobacco,urban planting Technical parameters1.Solar panel power: 30W2 ... of the battery: more than 2 years11. Lifetime of the solar panel: more than 25 years12. Supply voltage: 12VDC13. ... requirements) Application fields:This product can be widely used in many fields:agriculture,forestry,orchard,farm, wine industry,tobacco, ...