Precise Battery Laptop Tester

Laptop Battery Tester which is a very important tool in laptop repairing. 1. All in one laptop battery tester, repairment,discharge, charging. 2. Used for laptop repair shop 3. Professional factory Function: *Charge:Active, pre-charge, constant current and constant voltage are the stages of charging mode. The initial charging mode depends on the battery voltage, so active and pre-charge dona t happen to every batteries. *Discharge:Constant current discharge for double loads. *Test:Testing time is 30 seconds and the purpose is to check both the charging and discharging performances. *Capacity Correction: The battery capacity value in the battery management chip will different from the actual capacity after a battery goes through many recycling cycles. It will affect the use of the battery when the difference reaches a certain degree. Capacity correction is to deep discharge a battery and then fully charge, which will correct the capacity value in the battery management chip. *50% Capacity: CD50%: charge firstly, and then discharge to 50% capacity DC50%: discharge firstly, and then charge to 50% capacity *Online Functions:Tester can be connected with master machine via a USB port. Users can monitor, control and set parameters via Battery Manager software in the master machine. *Monitoring:Battery information can be monitored via three windows.