Nestbox Solar Powered Wireless CCTV Camera Circuit

Below is the circuit used to power the CCTV camera, provide lighting inside the nestbox, and charge batteries from a PV solar panel.Circuit diagram for CCTV powered by Solar Panel with Battery BackupD1 is a Schottky Diode used to prevent battery charge escaping through the solar panel at night. Something like a 1N5817 (1 Amp 20 Volt diode) will do the job and it has a very low voltage drop of