22650, Calibration: Factory calibration, Discharge current range: 0.1A-1.5A, discharge, 17650, Input power: DC 12-24V/2.5A, activation, Voltage measuremnet: ±10mV internal resolution, 20650, Operating voltage range: 0.2V-5.0V/slot, Temperature sensors: 5 for inner, storage, Display: 320×240 IPS LCD, max.discharge power 10W, Standby current drain: <0.05mA/battery, AA, cylindrical, analysis, 18650, Cycle count: 1-66 cycles, 13500, 10500, 13650, External ports: DC input, Current measuremnet: ±10mV internal resolution, 14650, cycle, Battery chemistry range: 0.1A-3.0A/slot, 10440, Micro USB link, Operation modes: Charge, Circuit power: max.charge power 25W, USB power output: DC 5V/2.1A, Battery count: 1-4 single cells, 16650, 12500, Beep sound: Multi-tone, Operating temperature: 0°C-40°C, 14500, 26650, USB power output, Battery size: AAA. You can create price alert here, copy coupons and view price history. What is the 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 price update (UTC time):
Banggood
Banggood warehouse is located in China. One coupon is available. Cool!
Link: Banggood product page
1. ($53.99): BGCITYADS2019
put item in your cart and apply coupon code there 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): ISDTC4, 502C6B, rcmus19, PU15
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Do you need price history chart (for all/most countries) for ISDT C4 8A Battery Charger With 4x 2000mAh AA Battery? There we go. The lowest price was: $44.99.
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)).