I have checked all old coupons and price is $68.99 for ISDT C4 EVO 36W 8A Battery Charger (in Banggood). Basically copy coupon, view price history or create e-mail price alert. What is best price?
Operation Modes: Charge / Discharge / Store / Destroy / Cycle / Activate / Analyze, Operating Voltage Range: 5～12V（Support QC / PD protocol）, horizontal hardware anti-reverse connection, Working temperature: 0~40℃, Overcapacity protection: Support, 20650 /20700 /21700 /22650 /26650 /26700, Standby Current Drain: <0.05mA/battery, Model: C4 EVO, Beep Sound: Multi-tone, Current Measurement: ±10mA, Reverse Polarity Protection: Vertical physical anti-reverse connection /, Temperature Sensors: 6 for inner, Voltage Measurement: ±10mV, External Ports: USB power output（Type-C）, Display: 320×240 IPS LCD, Firmware Update: Support, Support battery type: Li-Lon / LiFe / LiHv，NiMH / NiZn / Eneloop, Overheating Protection: Support, 14650 /16650 /17650 /17670 /18650 /18700 /, Discharge Current Range: 0.1～1.5A（Horizontal），0.1～1.0A（Vertical）, Battery Count: 1~4Cylindrical battery, Charge Current Range: 0.1～3.0A（Horizontal），0.1～1.5A（Vertical）, Battery Size: AAA /AA /10440 /10500 /12500 /13500 /14500 /
Latest coupon code price check (UTC time):
Banggood ($68.99)
Banggood warehouse is located in China. I’m afraid that there’s no working coupon in Banggood. The question is – is it a good price? From what I can see this price is higher than average price ($46.99).
Link: Banggood product page
Price: $68.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGC41, BGBCSpring1, BGC42, BGISDTC41, BGISDTC42, BGDAVIS, BGHONEY2110, BGC4EVO3, BGC4EVO5, BGISDTC477, Parts8, BG60d191, BGRCBC11, BGGAL8, BGRCParts8, BGSFBC1, BG1efeb0, 8Couponsde, MVC8SPRING, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, BGC4EVO05, pROMo8cuPoN, BG8RCToy, hoNEYbGdeAlS, BGRCT10, BGJUNEGSG9, BG8ReviTrage, Cuponation9, COUPONSDE1wk, BGMatt2022, BG589b2e, BG124578
(there’s a little possibility that old coupon will work)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for ISDT C4 EVO 36W 8A Battery Charger? There we go.
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)).