$74.74 – Ni-Cd, Ni-MH, Charge current: 0.1A-1.5A/slot, Eneloop, Discharge current: 0.1A-1.0A/slot, Operating temperature: 0°C-40°C, Charge Cells: 1-8 AA/AAA cells, Display: 240×320 IPS LCD, Size(LxWxH): 188.5x79x28mm, LiFePO4, LiHv, Input voltage: 5-12V, Weight: 283g, Input power: 18W, Battery type: Li-lon.
I have just checked coupons. The lowest price I could get is $74.74 for ISDT N8 18W 1.5A 8 Slots Battery Charger (in Banggood). Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Latest coupon and price update (UTC):
Banggood ($74.74)
Banggood warehouse is located in China. There are no coupons for this product in Banggood. Is it good price? Hmmm, price is higher than average (which is $46.47 right now), so better set price alert down below…
Link: Banggood product page
Price: $74.74
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): e2bcea, 502C6B, aff7off, Charger12, BGISDTN81, BGSKUA63510, AFfbG10, BGCITYADS2019, BGVDay10%off, BG10BC, BGAFF10OFF, bGhOnEy10, BGBC1, BgcLuBofErtA10, BGCuponation10, BGBCSpring1, BGDAVIS, BGHONEY2110, Parts8, BGGAL8, BGRCParts8, BGSFBC1, Tabby20, BG1efeb0, 8Couponsde, MVC8SPRING, Cuponation9, BGToys8, BGGutscheine, ADMITADBLACK, BG8OFFCOUPON, TTBLACK5, BGSaleFeb8, BGMatt2022, BG589b2e, BGSCHOOL8OFF, BGCAPITALOS8, BGCOUPERT8, BG8FORMULAMX, BG124578
(probably won’t work, but you can try them out)
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
Here is price history (for all/most countries) for ISDT N8 18W 1.5A 8 Slots Battery Charger. The lowest price was: $45.94.
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)).