expand LiFe to 8S), Weight: About 1560g, NiCd/NiMH battery cell count: 1-17 series, Maximum charge power capacity: 1200W(4x300W), Maximum discharge power capacity: 80(4x20W), Log Files storage: 10, Balance accuracy: bellow 10mV, Discharge current range: channel 1 -channel 4 0.05-20A, Input voltage range: 10-28VDC, Pd battery cell count: 1-12 series(2-24V), Charge current range: channel 1 -channel 4 0.05-20A, Lithium(LiPo/Lilo/LiFe) battery cell count: 1-6 series(In non-balance mode, Current drain for balancing: bellow 350mA.
Go down and check coupons out. Remember to check price history if it is available. Let’s see what best price is ATM.
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. Only one coupon available!
Link: Banggood product page
1. ($231.54): BGDAVIS
apply code in your basket (cart) 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): CharsoonAnti, AFfbG10, BGBFAFF2019, BGCITYADS2019, BGVDay10%off, bGhOnEy10, BGBC1, BGdragonBoat, BGSS10%SW, BGRCBC7, bgshOOp10, BgoFErTaSchInA10, BgcLuBofErtA10, BGAFF10OFF, BGCuponation10, BGBCSpring1
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Here is price history (for all/most countries) for Charsoon Antimatter DC 4X300W 20A RC Balance Charger. The lowest price was: $189.99.
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)).