Even the Matrix didn’t see this coming: $7.99 (source: Banggood). Updated: 10-01-2026.
Display: Power / Voltage / Close / the key for cycle.
Banggood warehouse: China.
Price: $7.99
Additional Banggood coupons:
1. First page
2. Second page
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Price history and price alert
Do you need price history chart (for all/most countries) for 12V/24V/36V/48V 8-70V LCD Battery Capacity Indicator? There we go. The lowest price was: $3.99.
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)).