Awesome list! I'd just like to add some variants.

Knife: Leatherman Sidekick $50 I like having a multi-tool with a saw.

Light: Black Diamond Cosmo $25 has red light for good night vision.

Water Bladder: 6-10L MSR Dromedary, $45-$50. I got the 10L last year and its opened up a lot of backpacking areas for me.

Water Filter: Sawyer squeeze $25 Just a cheaper version.

Stove & Pot: Jetboil minimo integrated system $135

Battery Pack: Anker Astro E1 6700mAh $17 Holds about double the charge, although if you are only charging one device, the Anker PowerCore 3350mAh will be fine.

Solar Charger:Anker PowerPort 21W $62 or for 2 oz lighter theAnker PowerPort Lite 15W $50

Dehydrated food: Mountain House $8-12

Trekking Poles: Cascade Mountain Tech Carbon Fiber Quick Lock $45

GPS: Garmin GPSMAP 64s $245

Camp Chair: Alite Monarch for $70 or Alite Mayfly $100