4-4-2 Battery Tester

4-4-2 Battery Tester


The 4-4-2 W30 20A battery tester is indispensable for maintaining and testing electric batteries.

The 4-4-2 W30 20A battery tester is suitable for any brand, provided there is a + or - connection on the battery that we can charge to continuously extract voltage. For most brands we already have a standard plug in the program or will develop a cable with a standard plug. We will keep you informed of new developments via our website or email.


This 4-4-2 W30 20A battery tester can make money for you and save you money by: testing the battery when purchasing used electric bicycles; preventing the purchase of damaged batteries; maintaining customer batteries in the winter for a fee; maintaining your own stock of batteries in the store; By regularly discharging batteries you improve your condition; managing your capital in batteries more consciously; your knowledge of batteries, which gives you a stronger position in discussions with consumers and battery suppliers. a huge time saver, the 4-4-2 battery tester does the work for you. The battery tester pays for itself quickly, very quickly.

The 4-4-2 W30 20 A is able to test the battery at a very high amperage (up to 20 A) to measure the actual power in the battery. Your first conclusion within 30 seconds.

The 4-4-2 W30 20A can test batteries from 8-88 Volt, lead acid battery, NiMh, and various Lithium batteries from multiple suppliers.