34. Nov 15, 2012. #4. The fastest way is shorting the battery, the best way is to not short the battery, but have a controlled discharge, like you are doing with the lamp. While I will suggest this, with the preface of exercising caution, you could connect a couple lamps together in parallel to reduce the resistance of the circuit.
Plug the USB connector end of the car charger into the cell phone. Let the larger negative terminal touch the spring while the end of the car charger touches the smaller positive terminal. Hold the charger in place until the phone reaches the desired battery level. How fast your mobile phone charges can vastly differ depending on its type, how
‎1 No 9V Battery : Number of items ‎1 : Voltage ‎9 Volts : Power Source ‎battery powered : Battery Description ‎9v : Battery Average Life ‎12 Months : Batteries Included ‎Yes : Batteries Required ‎Yes : Battery Capacity ‎300 Milliamp Hours : Battery cell composition ‎NiMH : Battery Power Rating ‎300.00 : Manufacturer Originally, this battery type was used for transistor radios. The most commonly-cited devices known for using 9Vs include smoke detectors, carbon monoxide detectors, walkie-talkies, and electronic toys. If you love to create geeky stuff, you might also know that a 9-Volt battery is used in lots of different hobbies.The correct way to safely charge a 9V battery is to use a charger with an output of 8.4V or lower, which is the nominal voltage of a 9V Li-ion battery or NiMH battery. A fully charged 9-volt. 151 411 260 382 324 325 365 167