Can I charge 7.4 V battery with 5V
No. USB is 5V; not high enough for charging a 7.4V lithium battery. That's a 2S battery which should be charged with a dedicated 2S balanced charger for safety. Such a charger will need a supply of at least 8.4V, typically 9V, able to handle the required charging current.
Can I charge a 7.2 V battery with a 5V charger
No, it is not advisable. The 5V 2A device does not sound like a charger, it sounds like a power supply, so it should not be connected to batteries anyway to prevent damage and fire.
Can 5V charge 3.7 V
Charging a 3.7v battery with a 5v charger. Here's everything about using a 5 V charger to charge a 3.7 V cell phone battery being safe to use: It's not safe to charge a 3.7 V cell phone battery with a 5 V charger for both the equipment and personal safety.
Can I charge 3.7 V battery with 4.5 V charger
Generally, a 3.7v lithium battery needs a "protection board" for over-charging&discharging. The battery without a protection board can only be charged with 4.2V voltage, because the ideal full charge voltage of a lithium battery is 4.2v, once the voltage exceeds 4.2v, the battery may be damaged.
How do you charge a 7.4 V battery
With just a mobile phone AC adapter (or power bank) and an Android data cable, you can safely and efficiently charge the 7.4V lithium battery up to 1A, which commonly used in various robots and motor drivers. The light-weight and micro USB interface features make it ideal for outdoor applications.
What is the charging voltage for a 7.4 V battery
8.4V
In our case we have a 7.4V Lithium battery pack, which is nothing but two 18650 cells of 3.7V each is connected in series (3.7V + 3.7V = 7.4V). This battery pack should be charged when the voltage reaches down to 6.4V (3.2V per cell) and can be charged upto 8.4V (4.2V per cell).
What happens if you charge a 6V battery with a 5V charger
Secondly, a lower voltage charger will never be able to produce enough power to fully charge your 6V battery. It might charge your battery enough for you to get your device jump started, but that's about it.
Can I charge a 7.2 V battery with a 6V charger
So a 6V charger won't charge a 7.2V battery very well, if at all, however a higher voltage one will normally work fine. If you're looking a DC adaptors rather than real chargers then it's different again.
Can a 4.2 V charger charge a 3.7 V battery
The charge cut-off voltage of a 3.7V battery is exactly 4.2 V. Therefore, it is possible to use a 4.2V charger as a 3.7V battery charger, but using a 5V charger to charge a 3.7V battery will cause the battery to overcharge.
Can I charge 3.7 V battery with 6V charger
It is possible to charge your 3.7V lithium ion battery using a 6V lithium battery charger, provided that the battery has a properly functioning protection circuit board. The protection circuit board helps the battery prevent overcharging, which can be pretty dangerous.
Can I use 5V charger for 6V battery
Can I Use a 5V Adapter to Power a 6 V Device. No, a 5v adapter is never recommended to power a 6v device. Because we need a voltage higher than that of the battery before it will charge properly.
What voltage is needed to charge a 7.4 V battery
8.4V
In our case we have a 7.4V Lithium battery pack, which is nothing but two 18650 cells of 3.7V each is connected in series (3.7V + 3.7V = 7.4V). This battery pack should be charged when the voltage reaches down to 6.4V (3.2V per cell) and can be charged upto 8.4V (4.2V per cell).
Can I charge a 7.4 V battery with a 6V charger
Not without a voltage booster circuit. 7.4v sounds like two 3.7v Lithium ion cells in series, and 3v per cell is more or less flat. You'd need 8.4v to fully charge them – plus charge management electronics to make it safe.
Can I charge a 7.4 V battery with a 6v charger
Not without a voltage booster circuit. 7.4v sounds like two 3.7v Lithium ion cells in series, and 3v per cell is more or less flat. You'd need 8.4v to fully charge them – plus charge management electronics to make it safe.
Will 5V work with 6V
Most of the times it won't. Cannot tell for sure without checking the internal hardware of the repeater. But if it works without generating heat it will be fine as far as I know. The 5V adapter might generate more heat than the 6V as sometimes the lower voltage will increase the current draw.
Is it bad to charge a 6V battery with a 12V charger
This will run your battery dry and create a thermal runaway scenario, which is very dangerous. Again, some people use a 12V charger to get their 6V battery jump started, but it is never advisable to use a 12V charger to try to fully charge your 6V battery.
Can you charge a 3.7 V battery with a 6V charger
It is possible to charge your 3.7V lithium ion battery using a 6V lithium battery charger, provided that the battery has a properly functioning protection circuit board. The protection circuit board helps the battery prevent overcharging, which can be pretty dangerous.
Can I charge 18650 with 5V
It can support up to 2.1A charging current under 5V input power, and 0- 3.5A output at 5V. The battery full charging voltage is 4.2V.
Can I charging 3.6V battery with 5V
A 5v charger for a 3.6v device is very likely, maybe even guaranteed to damage your device in a serious way. You should use the charger that came with it or find an identical one. Remember that along with the output voltage rating there is also maximum output amperage, so not every 3.6v charger will work.
Can I charge a 7.4 V battery with a 12V charger
A 12V input into a 7.4V lipo/li-ion can make it catch fire. As stated above, you must use a charger that is specifically designed for Li-Ion usage. Your Li-Ion pack will charge to 4.2 volts per cell (same as lipoly) via CC/CV algorithm. Under no circumstances should your pack be charged above 8.4 volts.
Will a 5V charger charge a 6V battery
Secondly, a lower voltage charger will never be able to produce enough power to fully charge your 6V battery. It might charge your battery enough for you to get your device jump started, but that's about it.
Can 5V adapter charge 6V battery
“Can I charge a 6-volt battery using a phone charger USB having an output 5V 2A” No. Because, to charge a battery, the source voltage must be higher than the rated voltage of the battery. For example, you can notice that the phone charger is rated 5V, while the battery is rated at 3.7V.
Can I charge 6V battery with 5V charger
It depends on the specific battery and charger in question. If the 5V charger is specifically designed for use with a 6V battery, then it should work just fine. However, if the charger is not specifically designed for use with a 6V battery, then it's possible that it could damage the battery or cause other problems.
Can a 5V charger charge a 15V battery
Not with just a 5V charger. Add a boost converter to boost the voltage to the 13–15V range, then you might manage it, depending on the battery and the charger (if for example the charger is too advanced then it will probably refuse to do anything as it doesn't recognize the battery).
Can I charge 18650 to 4.2 V
18650 lithium-ion batteries are charged up to 4.2V and down to between 2V and 3V depending on the cell's specification for cut-off voltage. To be safe, never discharge lower than 3.0V unless you know your cell's specification.
