The Battery of the Solar S1 is made of Lithium Iron Phosphate, which can be recharged and discharged 3000 times, hence, the lifespan of 8-10 years. The Battery is also 338 watts and it is in-built.
Even if it is charged and discharged once a day, it can be used for more than 8 years.
At a slashed price you can get yours today.
The Battery is light-weight, which makes it very handy, just like a Lady’s Hand-Bag.