$65.99 – JUNCTEK KH160F Bluetooth Battery Monitor (Banggood, Aliexpress: JUNCTEK Bluetooth Battery Monitor KH110F KH140F KH160F Voltage And Current Tester Capacity Indicator VA Battery Gauge (the best price with coupon)).
When I was updating this page the price was $65.99 for JUNCTEK KH160F Bluetooth Battery Monitor (in Banggood). Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
Latest price update (UTC time):
Banggood ($65.99)
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it? But wait a sec… Is it a good price? This price is higher than average price ($59.41) for this item.
Link: Banggood product page
Price: $65.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGTOOS729, BG8FORMULAMX
(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
Price history (for all/most countries) for JUNCTEK KH160F Bluetooth Battery Monitor is here. The lowest price was: $57.99.
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)).