Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
More on Aliexpress… 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
Coupon (22.35 USD): BGTorch4
(CouponsFromChina.com tip: apply code in your basket (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): BGwhielabel, 4BLF, BG10OFFAFF1, BANGGOODSD
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for LiitoKala Lii-ND4 1.2V Battery Charger.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).