All solar light has rechargeable batteries. These store solar energy from photovoltaic cells during the day and power the system at night. Yes, solar garden lights replenish the batteries in the sunshine unit using solar energy. Most devices come with batteries, so you do not need to purchase special batteries for solar lights. But, it is necessary to choose the best solar light for t... https://powerwithwatts.org/special-batteries-for-solar-lights/