about the Vruzend no solder battery connectors i purchased the 1.5 version and realized that the kit wouldn't work well for a high output battery for man reasons S o wanted a refund on the unopened merchandise no such luck that is why I'm here very quick at taking your money but no reply when wanting a refund BE VERY CAREFUL OF VRUZEND BATTERY CONNECTORS I DON'T THINK IT IS GOOD ENOUGH TECHNOLOGY FOR HIGH AMP BATTERIE