Most of the chargers around the £30 mark are all built the same as the imax the accucel 6, century uk c6, imax b6 and some unbranded which look the same. And the more expensive core rc chargers are yet again built very similar.
it could just be that you have a dud charger maybe otherwise you would probably need to be looking at spending £100, not sure if thats what you have in mind.
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