List of products by brand KAISI

Batteries charging and testing unit
Battery activation board for reviving a dead flat battery
Includes live voltage and current readouts
Suitable for a wide range of iOS, Android and Apple Watch devices
Suitable for reviving and charging a battery while monitoring the charging health

Battery charger and tester.
Quick charging of 4.2V batteries. Charging time is approx. 45min.
Has the button to activate a battery at rest in order to reactivate it.
Features:
Suitable for Samsung, iPhone.
iPhone: 4G, 4S, 5G, 5S/5C, 6G/6S, 6+/6S+, 7/7+, 8/8+, X
iPad 1, 2, 3, 4, Mini2, Mini3, Mini4, Air, Air 2, Pro
Samsung, Mi, Huawei, OPPO etc... 
Requires a power supply above 2.5V to work properly.
The maximum load current is 2A.
This product is not only of advanced and safe design, but also allows fast and efficient charging speed.
It can detect an unwanted battery that is malfunctioning or charging poorly to save you valuable time.