$294.89 – that is current price with coupon for ISDT SP3060 20V-30V 1800W 60A RC Power Supply (in Banggood). You can create price alert here, copy coupons and view price history. Best price?
Max Output Power: , Output Plug: XT90 Plug, 720W(100-150V AC Input), Model: SP3060, Output: DC 20-30V/60A, Input: 100V-240V /50-60Hz/12A, 1800W(150-240V AC Input)
Latest price update (UTC time):
Banggood ($294.89)
Banggood warehouse is located in China. What about the price? Hmmm, price is higher than average (which is $233.93 right now), so better set price alert down below… Well, there is one coupon available right now.
Link: Banggood product page
Price without coupon: $320.53
1. ($294.89): BGALL8
put item in your cart and apply coupon code there 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): ISDTSP3060, AFfbG10, 502C6B, BGBFAFF2019, BGCITYADS2019, BG10BC, BGMPB2020, BGAFF10OFF, bGhOnEy10, BGBC1, BGdragonBoat, BGRCBC7, BGRC902, BgoFErTaSchInA10, BgcLuBofErtA10, 7bcdf9, BGCuponation10, BGHONEY2110, Parts8, BGRCBC11, BGGAL8, BGRCParts8, BGSFBC1, Tabby20, BG1efeb0, 8Couponsde, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BG8RCToy, hoNEYbGdeAlS, BGESJY8
(I don’t think these’re gonna work, but you can try ’em out anyway)
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 SP3060 20V-30V 1800W 60A RC Power Supply? 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)).