What solar gear actually costs today
A price list built for people who do the install themselves: sortable$/W and $/kWhacross the vendors DIY builders actually buy from, with the specs that decide compatibility sitting in the same row as the price. Every price carries the date it was checked.
Batteries
79 listed$65.10best $/kWh
[Clearance Sale: 40% OFF] Used 12V/24V/48V LiFePO4 Battery - 12V 640Ah
Charge Controllers
24 listed$3.88best $/A
Victron MPPT SmartSolar 100/50A Solar Charge Controller
Inverters
63 listed$0.08best $/W
Solis 100kW Three Phase Inverter Ten MPPT w/ AFCI w/ FAN
Solar Panels
116 listed$0.104best $/W
Used Good Itek 240W Solar Panel - Pallet of 10
Portable & Flexible Panels
9 listed$0.53best $/W
ECO-WORTHY 130 Watt 18BB Flexible Solar Panels - 2 Packs