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Cell phone batteries/battery pack Answered

hi all,i want to build a battery pack from mobile phone batteries my plans is to connect them in parallel 4 of them and charging it from a single TP4056 module the batteries have a built in protection circuit  each battery is 3.7v 1500mah. what do you thing is a good idea to put them in parallel or they need something special to keep them balance

any help is highly appreciated
thanks in advance



4 years ago

If they are the same age and have the same actual capacity it might work (like in 6 or 9 cell laptop batteries where there are 3 groups in series composed of 2 or 3 parallel batteries each). Look on the web, there is plenty of ressources on that kind of stuff