Fixed 20Wp photovoltaic panels in silver frame with high efficiency even in low light conditions.
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Li-Ion battery 21700 model INR21700-48G with capacity 4800mAh and voltage 3,6V.
Li-Ion battery SAMSUNG model 18650 with a capacity of 3000mAh and a voltage of 3.6V.
Li-Ion battery SAMSUNG model 18650 with a capacity of 2500mAh and a maximum discharge current of 20A.