I have just checked coupons. The lowest price I could get is $19.99 for Flexible Solar Panel 5V 21W (in Banggood). You can create price alert here, copy coupons and view price history. What is best price?
Latest coupon and price update (UTC):
Outdoor Powerful Flexible Solar Panel 5V 21W Portable Battery Mobile Phone Charge PD QC 3.0 9V 12V for USB-A+USB-C Cells Power Bank – Green
Banggood ($19.99)
Banggood warehouse is located in China. I couldn’t find any coupon for this product on latest product update. You probably want to know if this is a good price. This price is great, coz it’s the lowest in CouponsFromChina database!
Link: Banggood product page
Price: $19.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for Flexible Solar Panel 5V 21W is here.
Price records source(s): Banggood
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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)).