Solar Energy Set-up 900 watts for only 25,000 Budget for Pond

Hello mga idol, nag upgrade po ako aking solar panel for my pond sa halagang 25,000 budget fully set-up na po.
12,400 = 2pcs 450watts solar panel
5,800 = 2nd Hand 180AH battery
5000= inverter
800= solar charge controller
others= wiring and breaker.

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