cordless strimmer repair

Electronics, Gardening and Lifestyle

cordless strimmer repair

February 20, 2019 DIY 0
stimmer cover image

Like many people, my two most used garden tools (other than myself) are my lawnmower and electric strimmer

The strimmer was bought for me as a present and did an ok job for about 6 months, one thing it lacked was the power of petrol or mains strimmer or weed wacker but being cordless and rechargeable made up for this. Unfortunately, about 6 months in the battery started to give up to the point within a few months after it was useless. As it was a gift I didn’t have the receipt to pursue a replacement/repair. You will soon realise I’m not one to throw things away if I can fix them so roll on my cordless strimmer repair.

Due to other interests and work I have quite a range of lithium polymer batteries in different voltages and capacities. So a quick raid of the parts boxes and I was able to get this knocked together meet captain strimmy 2.0

I didn’t want to damage the actual strimmer as if I did ever replace it I could sell/trade it minus the battery. This Mod involved taking out the innards of the battery and soldering on the xt60 (yellow) connectors to take the batteries.


A bit of velcro added and I had a working strimmer again!


Major improvement

Also a major benefit I had the two following things as a result of the repair/modification

Well over twice as much run time going from 1.5ah capacity to 4.4ah
The batteries are wired in series giving a total of 24 volts fully charged so the increase in power is amazing much more usable than when on 18v

Due to my style of garden work, the strimmer gets used for no more than a minute at a time so it has plenty of time to cool down between uses, one concern I had with upping the voltage would be blowing the motor but its lasted a full season so far and hopefully will last many more!

A word of Warning!

Lipo batteries (Lithium Polymer) have fairly strict charge/discharge specs. if you go down this route make sure you know how to charge them properly. Discharging can also cause problems as you shouldn’t run them flat. If you mess this up you could break a battery or worse cause yourself a not so nice fire while charging. Stay safe!


Have you ever repaired anything that many would junk, or upcycled something cool, I’d love to see/hear if you have

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All the best
D.

 

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