You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Input voltage: DC 12V/3.0A, Output voltage: DC 4.2V / DC 1.48V
Banggood
Banggood warehouse is located in Europe 
.
Link: Banggood product page
1. ($30.59): BGAFF10OFF
2. ($30.59): BGTT10
3. ($30.59): bGhOnEy10
4. ($30.59): BgcLuBofErtA10
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGG5LS, linepayflt, EYBG, BGBSKL, eybg, AC19, BG13TH, BGF1111, FG5LS, BG500KI, fInbG2020, BGff2020, BGdragonBoat, BGSM30%, BGSS10%SW, BGTBD, BG1128, BGYW27, BGYW59, BG10OFFAFF1, BANGGOODSD, BGTorch4, 00c906, BGtorch2, BGtorch3, BGAlerabat15, BGtorch7, BGAlerabatI
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – LiitoKala lii-500S Battery Charger ($-3)
Price history and price alert
Price history (for all/most countries) for LiitoKala lii-500S Battery Charger [EU] is here.
Price records source(s): Banggood
Click on image to enlarge. ![Price history for LiitoKala lii-500S Battery Charger [EU]](https://couponsfromchina.com/pricehistory/History20610.png "LiitoKala lii-500S Battery Charger [EU] price history")
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)).