Net weight: 0.45kg, Size: 145*90*65mm/5.71*3.54*2.56inch, Input line length: 80-110cm, Output peak current: 6A, Output line length: 55cm, Output voltage: DC13.8V-15.5V, Model: HC-02, [Conversion: 1cm=0.3937 inch / 1inch=2.54 cm].
Basically copy coupon, view price history or create e-mail price alert. What is best price?
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.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. Only one coupon available!
Link: Banggood product page
1. ($28.15): BGSCM11
coupon code has to be applied in shop’s 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): BGSCM75, BGbc83b0, BG6a0086
(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
Do you need price history chart (for all/most countries) for 12V 6A Intelligent Pulse Repair Car Battery Charger? There we go. The lowest price was: $13.99.
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)).