hello guys, im here to ask you something. Well, im ordering a 6V 3.5 W 583 mAh solar panel. for the storage battery, im using 4 1.2V 1500mAh rechargeable batteries. so the total are 4.8 V 6000mAh storage. and as you can see, my solar panel voltage is 1.2 V greater than my batteries. the question is, anyone knows how to reduce my panel voltage ? i really need this problem solved