$49.35 – EU Plug, Input Voltage: AC 100~240V 50/60HZ, DC 12V, Output Voltage: 5V, Input Current: 1A/3A, Output Current: 3A/1.5A.
ATM you can buy Nitecore SC4 Battery Charger for $49.35 (in Banggood). Go down and check coupons out. Remember to check price history if it is available. You probably want to know what is the best price?
Latest price update (UTC time):
Banggood ($49.35)
Banggood warehouse is located in China. Is it expensive? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal $36.18) There is one coupon available! Pretty cool, huh?
Link: Banggood product page
Price without coupon: $51.95
1. ($49.35): BGTORCH10
apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): bcnlxk, dba0fb, BGSC4, CMBB, BCNLXK, BGTBFL, M4BG, BGNSC4, BGTBD, BGd57765
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
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 Nitecore SC4 Battery Charger is here. The lowest price was: $28.47.
Price records source(s): Gearbest, 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)).