Comidox 4S 30A Discharge Protection Board With Equilibrium 18650 Battery Protection Board 10MOS 2PCS

over the years I've upgraded this old Bosch drill to lithium-ion cells the night heads were well well internally dead and that has proven very valuable and even though it's an old model it still functions very well and even if there's any light duties even just mixing paint it's very useful around the shop when I've made up these packs in the past this is a 3 cell pack in in the drill at the moment and I've got a four cell pack here what I did was to put on just a balanced charge cord and used my hobby radio control model charger to charge the batteries which is has worked fine but sometimes it is a pain to take it out of the shop then go and find your your RC charger and set it up and now for other projects which there always been links in the in the description to these things for a torch projects I used a similar sort of arrangement for the batteries and I was using a battery managem