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Mosquito Bat Repaired

By on January 12, 2025
Mosquito Bat Repaired

 

 

 

 

 

 

Received Mosquito bat for repair, stating it was not working.

how to fix mosquito bat

I pressed trigger switch but there was no sign of life.

No LED light indication & no spark on zapper net. Hence dismantled the unit for further inspection.

how to fix mosquito bat easily

I found Battery wire was disconnected from the battery. Re-soldered the wire on Battery & checked again still same problem. (Maybe wire was broken while disassembly).

I have an analog Multimeter, it was lying unused for many years. Hence I thought just check if it is working. So I checked the Voltages on Battery it was showing around 4v. Seems ok as per the battery marking. (Analog meter is very Good meter for testing Components & to identifying output voltage oscillation).

fixing mosquito bat

mosquito bat battery replacement

So checked all the components on cold test, seems ok, still I removed the switching transistor for testing. Transistor used is D882P and it is a NPN transistor.

D882P Transistor

Checked and found OK.

fixing mosquito bat

Working of these types of Bats is almost same. (For more Details on Testing you can just follow my previous article  Link https://jestineyong.com/mosquito-killer-racket-repaired-for-low-sparking/).

Now I checked everything such as Diodes, Transistor, Transformer, switch and everything was working fine, so where was the problem? Now I am having doubt on the Battery itself.



I decided to test the Bat on external supply, I connected my variable Elimeter, set my Elimeter on 4.5v & applied power & pressed trigger switch & I seen Red LED on handle light up I touched screw driver on net & heard loud spark & it confirmed my doubt on the Battery…. Battery was showing Ok 4V but it was not holding current. Battery was bad hence I bought new battery for replacement.

battery replacement

battery replacement in mosquito bat

Now reassembled the Bat for testing & now it is working Ok.

how to fix a broken mosquito bat

Charged the new battery for 5 hrs & checked again, it worked like new & ready for the customer to collect it.

yogesh panchal

This article was prepared for you by Yogesh Panchal who works as a Computer Hardware Engineer in Mumbai India.

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Note: You can check his previous repair articles on Dell Laptop SSD NVMe Drive Installation Problem

 

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One Comment

  1. Parasuraman S

    January 12, 2025 at 6:26 pm

    The mosquitoes in the area would have called an urgent meeting to pass a resolution to take legal action against you! (LOL) A thorough job to help the owners defend themselves from the mosquitoes! Thanks for sharing, Yogesh Bai!

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