If you are buying a used phone, you need to check the battery as a new battery can be expensive. You can check the battery using a special device, but this applies to cases when you buy a phone from a service center. In this article, we will go over simple methods to test the health of a battery.
Instructions
Step 1
The easiest way is to call any toll-free number where music is played or there is an answering machine, and stay in touch for 5-10 minutes. At the same time, during this time, the number of divisions, which indicates the battery life, should not decrease. Otherwise, most likely, its life span will expire.
Step 2
When examining your phone, pay attention to the battery level. If the seller offers you an uncharged phone, then you can be sure that the battery is “killed”, and the seller is cunning, proving that he simply did not have time to charge it.
Step 3
The main signs of a battery that needs to be replaced:
• The phone switches off immediately when switched on.
• The phone switches off during a call, incl. if before that the charge indicator was completely full or half full.
• Battery charging ends in less than half an hour.
• A phone with a fully charged battery runs out of power earlier than a day, incl. if it was spoken little or not even spoken at all.
Step 4
A battery malfunction occurs either due to the loss of working capacity due to prolonged use of the phone, or due to violations in the electronics of the battery. If the battery has lost its capacity and discharges too quickly, you can try to "swing" it. For this purpose, you need to fully charge the battery, then remove it from the phone, then connect a 3.5 V light bulb, put it in full and charge again. This should be repeated two or three times. After doing this, the phone battery should perform better.
