Proccess of Design and arrange the 12 V battery charger unit have done for need Micro, Small, Medium Enterprises in Balikpapan. The charging proccess use AC source 220 V that reduce become 15 V in the input. At the charger, the negative terminal of DC source is connect to negative plat or anode from battery and the positive terminal from source is connect to positive plat or catode frome battery. From the trial we get output voltage is 12.20 V, and output ampere that range of 0.6-0.9 A. Also, the time longer for charge the battery is 490 minutes and this was tested with Specifick Grafity Test as 1.2 Kg/l and Quick Test at the good Condition.