text: sunita,mujhe ek aur baat sochni hai, agar hum solar panels lagate hain toh kya hum battery backup bhi consider karna chahenge? taaki raat ko bhi power na jaye!haan, riya! battery backup zaroori hai, especially jab baarish ya badal ho, bina backup ke toh humare efforts bekaar ho jayenge, isliye ispar bhi dhyan dena padega.