This is Carlos, from Baleaf (Xiamen) New Energy Technology Co.,Ltd.

Our company mainly deal in series of lithium battery packproducts.

May i recommend you a kind of our hottest product:, the portablesolar lighting system ?

It is our Self-developed products.10W portable solar lightingsystem .

Our solar lighting system battery is a lithium battery withSamsung, similar products on the market are almost lead-acidbatteries.

Lithium advantages:1. Light weight 2.Small size3.Moreenvironmentally friendly. 4safety performance is more stable5. theshelf life of lithium is five times more than the lead-acidbattery

based on the above advantages,  the price will berelatively a little expensive. But in terms of the performance ,the price is cheaper than lead-acid