Check coupons or create price alert down below. You probably want to know what is the best price?
Wafer Grade A monocrystalline silicon, Color black blue, Output current 0-2.5A (intelligent voltage regulator), Output interface dual USB, Folded size 243*85*30MM, Process ETFE laminated (2nd generation laminated technology), Conversion rate 20.5%, Output voltage 5V, Number of folds 4 fold, Weight 294G, Expanded size 345*243*2MM, Product Name Monocrystalline Solar Panel, Power 14W, Waterproof grade IPX6
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
1. ($33.29): BGAMMT03
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG8b7b16, BGCarEle4, BGSCM11, BGCarEle5, BG2992f6, BG845979, BGLMQ15, BGCAR639
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Price history (for all/most countries) for 14W 5V Dual USB ETFE Solar Panel is here.
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)).