Aliexpress
Click here… to search for XANES 20W Solar Camping Light on Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (12.70 USD): BG369949
Coupon (14.04 USD): BG00c906
(CouponsFromChina.com tip: coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG4e9e42, BGwhielabel, BGb01415, 13f142, BG10OFFAFF1, BG4d9120, BG2e0d23, BGa9dc45, 00c906, BGe46870, BG7280ff, Tabby20, 8Couponsde, BGeb3f38, BG2bb7a1, BG5d2ea4
(these coupons are old, so probably won’t work)
Price history and price alert
Do you need price history chart (for all/most countries) for XANES 20W Solar Camping Light? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).