Quote Originally Posted by wenz_vios 1.3 x View Post
puwede po bang mag add nang battery for back up or e parallel nalang ba.


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Or bili ka ng portable car battery jump starter. Mas mura sa ibang bansa magpabili.

For checking battery, I use VST voltmeter, multimeter, or Ancel BA101 battery tester - minsan nagsale sa Lazada. I saw some casa and battery shops using the same type of tester. Medyo praning lang yung result na REPLACE sa tester, so I just continue using the car battery until the first sign na di na maka-start ng engine. Of course with my backup battery car jump starter always in the car. Huwag lang ilagay sa mainit na lugar.

Sulit din bili ko sa multitester, I was able to have one battery under warranty replaced when I showed the REPLACE result. When they checked with their tester, replace din yung result.