【Longer Working Time】We changing amorphous (thin-film) panels to poly crystalline solar panels, which increases the photoelectric conversion rate from 10% to 17%. Compared to other brands, it can store more electric energy under the same sunlight. 【300mAh Battery】 Each solar light with 3 lumens, warm white led, 4 packs will add safety and soft glow to your deck, porch, or other outdoor structure,making nightly stroll safe for the family. 【Automatic turn on】This step light has no switch, just…