$33.99 – Max. PV input power: 750W(12V) / 1500W(24V), Rated voltage: 12/24V, , Max. PV voltage: 50V, Rated current: 40/50/60/100A.
Use coupon and get 100A PWM Solar Controller for $33.99 (from Banggood). Price history, coupons and price alert are available on this page. What is the best price?
Latest coupon and price update (UTC):
Banggood ($33.99)
Banggood warehouse is located in China. Coupons for 100A PWM Solar Controller? Nope, there’re no coupons in Banggood. The question is – is it a good price? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal $20.53)
Link: Banggood product page
Price: $33.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG4b5920, BGc03ecf, BGfcfd82, 00c906, BG00c906, ADMITAD2212, 2022ACTIESNL, Tabby20, 2203ActiesNL, tRaDetRaCKeR, 8wEbgaInS5, BG08bdfc, pROMo8cuPoN, BGb305f9, BGRSUNLCD, BG6d2f05, BG1eb57a, BGHUXC060, BG37b1ad, BG4de751, BG7e07bc, BG0b9613, BG589884, BG8OFFCOUPON, TTBLACK5, BG589b2e, BG1d613b, BGET12, BG350285, BG5ef911, BGc9f4ac, BG68ab79, BGe4341d, BGa78dae, BGa61103, BGdb01a1, BG3bca8b, BGET10, BG8FORMULAMX
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for 100A PWM Solar Controller? There we go. The lowest price was: $17.99.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).