Many battery companies report that their rechargeable batteries can be recharged hundreds of times. One site reported 1000 charges, or 500 depending on application.
no
No. For one thing, you can't recharge just any old 9volt battery; it has to be a specially-designed rechargeable for which there is a specially designed charger. For another, a car battery charger puts out about 13-15 volts.
A car battery has six cells each producing two volts. A 9v alkaline battery has six cells each producing 1.5 volts. There are some obvious differences, like that a car battery can put out hundreds of amps and a 9v alkaline can only put out hundreds of milliamps, a 9v battery weighs 45 grams versus 45 pounds for a car battery, and so on.
There are several long lasting and dependable 9v batteries available. Duracell Coppertops are a good choice as well as Ray-O-Vac and Energizer Industrial.
you better not. you need a 9V regulator for this, not a resistor!
No.
no
You can buy 9V batteries from almost any supermarket
very
use inverter
9v! More voltage, more strength! Many 9v batteries merely have 1.5Volt cells jammed together to make 9V!
ye they have 9v battery. Shop Duracell Plus Power 9v Batteries from stabeto online store. it has High energy output, reliability and long shelf life Longer life compared to previous Duracell plus power batteries Ideal for everyday use, particularly low drain devices Perfect for use in smoke alarms Multi-purpose batteries Binding.