Hello again , i make a makita battery 18V 5ah with an old case . I bought the pcb board from aliexpress , and the 10 batteries 18650 from local shop. The batteries are LG ICR18650-HE2 2500mAh – 20A cost 10*3,99 = $ The board cost = 6,50 & a battery for makita 18v 5 ah original cost here 99$ half price at least! thank you for watching my video . if you have any questions feel free to contact me . If you like the video please subscribe ! Follow us on instagram Follow us on tiktok @madebyparisgr