[quote=“Tanveer_Ahmad, post:6, topic:22662”]
thanks for all the comments. for now i have purchased 2 150 watt eurener panesl with ep solar 20 amp pwm charge controller …i dint went for mppt because the guy told me that i need to purchase a 30 amp mppt charge controller and ep solar mppt would cost me around 19000 …so my budget for now dint allowed me …i asked him if i could buy 20 amp mppt the guy told me that my panel are 300 watt and my battery is 12 volt that means i need a minimum of 25 amps mppt controller and if i purchase a controller of lesser amps then it would get fried …because as opposed to pwm…mppt cannot truncate the extra amps …either i have to add one more battery of i will have to go for pwm …well i purchased the pwm 20 amp …for 3900 … altought he told me this 20 amp pwm would only give me 192 watt max…so that means i will be wasting 100 watts …how would u ppl comment on this …i will post pics of my system soon …thanks once again for ur valuable support and i would have purchased the third class solar pannels avalible in market …if this forum had not existed …
this is one of those great bheeje ka dahi bhalla stories told by shopkeeper, which always succeed to amuse.
mppt or pwm dont have anything to do with frying batteries… they are DESIGNED to charge and keep batteries healthy. that is what they are MADE for. no matter which you use, they will work fine, with any setup of 1 2 or 4 batteries.
just enjoy whatever setup you have… your energy will not be wasted as long as you have a ups with battery connected to your solar setup. it will always be used to the full when you need it depsite it being pwm or mppt. however, to ensure you get ax power and benefits of a solar setup, upgrade your system in future to a proper 24V setup with 2 battery and ups, then you will reap a lot more benefis of solar energy than just a single battery setup.