Portable Speaker With Li Ion Battery

speaker portable

1. wood chipboard for the box, and so cut it to fit all components
2. buy 2 speaker 10w 4OHM http://www.aliexpress.com/item/2pcs-2-inch-4Ohm-1... (you can get this in old speaker satelits system) or from www.ebay.com
3. buy 1 Audio Stereo Amplifier 2X10W for 3,80 $ http://www.aliexpress.com/item/PAM8610-2x15W-amplifier-board-digital-two-channel-stereo-power-amplifier-board-mini-FZ118/32440064048.html

4. find some battery li ion from old battery Laptop( is the best and cheap choisse ) or buy it from www.ebay.com or www.alliexpress.com. 3$/pcs you need 6 battery 3,7v , 2200 ah( or better)

5. now... for charge this battery you need to buy one BMS BOARD PROTECTION

   http://www.aliexpress.com/item/12-6V-8A-Li-ion-Lit..., for protect battery to over charging or over discharging for 3,50 $

6. 1 lithium battery charger adapter 12,6V --1A http://www.aliexpress.com/item/12-6V1A-Lithium-battery-charger-Li-ion-battery-for-3-series-100-240VA-U-S-European/667359574.html?spm=2114.01020208.3.37.qhSSTg&ws_ab_test=searchweb201556_4,searchweb201644_4_79_78_77_82_80_62,searchweb201560_4

7. 1 DC Power Supply Jack Socket Female Panel http://www.aliexpress.com/item/Hot-Sell-5pcs-3A-1... for 0,28$

8. wires for connection

9. soldering and glue tools

• box should be divided into two parts

• in one side will introduce 3 battery, on/of button and another side 3 battery, audio amplificator board, BMS protection board and rest oof components

• optional you can atach one bluetooth driver
  

  http://www.aliexpress.com/item/USB-Bluetooth-Music-Receiver-Adapter-3-5mm-Stereo-Audio-for-iPhone4-4S-5-Mp3-free-shipping/1602812680.html