Depending on how old the phone is, it might even be impossible to change the battery at all. Almost all smart phones have batteries that are built in and cannot be exchanged. So if the battery is dead, the phone is dead and needs to be replaced. Cell phones that are no older than five years usually have batteries that hold around two years. Older batteries normally hold for life, if handled with care.
It typically takes around 1-2 hours to recharge a standard AA rechargeable battery using a battery charger designed for rechargeable batteries. It's important to follow the manufacturer's guidelines to avoid overcharging and damaging the battery.
After jump-starting a vehicle, it is recommended to drive it for at least 15-30 minutes to allow the battery to recharge. This will help ensure that the battery has enough power to start the car on its own the next time.
A cell from the peripheral blood smear that has a pencil shape, i.e. long and pointy, under the microscope.
You could charge batteries directly from the cells if they are wired together right. Cells in series and parallel to make power is tricky business. It would help if they were identical but they are not. Now PV power management systems get the most out of all cells all day long.
Not enough information - it depends on the cell or battery. Power = voltage x current. Energy = power x time = voltage x current x time. The amount of current each of these can provide, and how long it can provide it, would depend on their corresponding sizes, and constructional details (such as, what materials they are made of). However, in many cases a battery with a larger voltage will also be bigger, and provide more total energy.
yes the engine runs the charger/alternator as long as the engine is running the battery should be chargeing
Depends on the battery. Several hours to overnight.
You can recharge a drained battery 300 to 500 times. This is charge the to around 80%.
Usually 8 hrs is the max needed to recharge the battery.
You should get a couple years out of it, but it really depends on you. If you constantly run it low and then recharge it, that's deep cycling, and will reduce battery life substantially.
The battery will recharge itself when placed in the ignition and the car is driven. I'm not sure how long it takes to completely recharge and I don't know if the battery is removable
The Apple iPod Mini is rated for up to 18 hours of continuous use before requiring a recharge.
It typically takes around 1-2 hours to recharge a standard AA rechargeable battery using a battery charger designed for rechargeable batteries. It's important to follow the manufacturer's guidelines to avoid overcharging and damaging the battery.
To calculate the time to recharge a 70Ah battery at 4 amps, you can use the formula: time (hours) = capacity (Ah) / charge current (A). In this case, it would take approximately 70Ah / 4A = 17.5 hours to fully recharge the battery, assuming 100% efficiency and that the battery is completely discharged. In reality, charging efficiency and battery condition may extend this time.
It can operate upto 1 or 2 hours only, before requiring a recharge.
About 3 hours, 1 hour is for an 80% battery charge
An 8 cell battery should normally last a person about 4.5 to 5 hours before it needs to be recharged. As a whole, an 8 cell batter will typically last about a year or so.