Charging Mobile From 9V Battery

Hi friends in this instructable we are going to see how to make a mobile charger from 9V battery Things required 9V batteryotg cable9V battery clipvoltage regulator (IC 7805) Now solder the left and right pin if the ic to the battery clip Then solder the middle pin the the positive of otg a…By: science-tech(…)


Fast Battery Charger for Rechageable Cells/batteries

Hi guys,this a fast charger for charging rechargeable batteries like Ni-Mh or Ni-Cd,etc.This charger is also useful to charge 9v recharge able batteries upto 2500mah.The charger charges the batteries upto full in just 45 minutes to 1.5 hours.check video MATERIALS:- 1. Transformer 0-9v 500ma(recom…By: Aabhishek Sharma Continue Reading » Instructables: exploring – featured


Homemade (lemon Juice) Battery! Powers Electric Buzzer and More! Lemon Battery – Easy DIY

in this instructable i’ll show you how to make a lemon juice battery. as far as these homemade batteries go, it’s probably the strongest. it powers buzzers, small leds/lights and even clocks. Watch instructional video… shows full build, along with it running all types of stuff. Read descript…By: desertsun02 Continue Reading » Instructables: exploring –(…)



Hi Everyone, This project sounds alarm when the battery voltage falls below the user defined (low) voltage .It is used in 12 volt battery (It may be any type of Battery- Lead acid ,Lithium -ion, Lithium – Polymer etc.,) and it will produce audio and visual indication to us. It us…By: arunscuddalore Continue Reading »(…)


How to Fix a Psp Battery!

disclaimer! this instructable has been inspired by :…please see it for more information.this mod has been made on a psp 1000and some soldering skill is required.i will not be responsible on any of the damage that could be done.ok i wanted to play a…By: TailsL Continue Reading » Instructables: exploring – featured