$12.99 – 10/20/30/40/50A MPPT Solar Controller LCD Solar Charge Controller Accuracy Solar Panel Battery Regulator – 30A.
When I was updating this page, then coupon price was $12.99 for 30A Solar Controller (in Banggood). Get coupons, create price alert or check price history out! Do you want to know what the best price is?
Latest coupon and price update (UTC):
Banggood ($12.99)
Banggood warehouse is located in China. I can’t find any active coupons for this product in Banggood. Price? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal $10.67)
Link: Banggood product page
Price: $12.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG5888cf, BG589b2e, BGET12, BGET10, BGe245a9
(probably won’t work, but you can try them out)
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
Check out price history chart (for all/most countries) for 30A Solar Controller. The lowest price was: $10.34.
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)).