Lead- acid is much heavier than lithium. Lithium battery can be recycle and environmental friendly.
Life-span of Lithium battery is longer than lead-acid battery.
It depends on the using frequency. Usually, it is more than two years.
Usually it will take 2 days for charging under directly sunshine for most of our products.
It is 1.7W each solar panel for our solar lantern.
We have QC during production and before packing. Solar Idea has been working to supply qualified products, high quality service to partners.
We have QC during production and before packing. The negative products will be ironed out before shipping.
Yes,we have two factories and four showrooms.