$13.29 – LiitoKala Lii-L4 3.7V 18650 Charger Li-ion Battery USB Independent Charging Portable High Power Discharge for 26650 /21700 /20700 /18650 18500 /18350 /14500 / 18350 / 16340Batteries.
I have just checked coupons. The lowest price I could get is $13.29 for LiitoKala Lii-L4 3.7V 18650 Battery Charger (in Banggood). Just check coupons out (with price alert and history). You probably want to know what is the best price?
Latest coupon and price update (UTC):
Banggood ($13.29)
Banggood warehouse is located in China. Well, is it a good price anyway? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal $9.35) You can get coupon down below.
Link: Banggood product page
Price without coupon: $13.99
1. ($13.29): BGTORCH10
this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Aliexpress
I could not find it 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 LiitoKala Lii-L4 3.7V 18650 Battery Charger is here. The lowest price was: $6.8.
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)).