Forum >7.4V Lipo 2200mAh Battery(FIT0137) Charging Instruction
7.4V Lipo 2200mAh Battery(FIT0137) Charging Instruction
barrymachine 2012-02-08 00:02:47 72847 Views29 Replies These days, I found people had problems about how to charge the Lipo battery correctly. For sure, we are scared that A damage or an explosion which is caused by the wrong operation may happen. So I have done different kinds of experiments of charging the 7.4V Lipo 2200mAh Battery which of them were very dangerous 
and now give you some suggestions below 
.
1.Charging Voltage:
According to the official specification of this battery which is armed with a protection circuit inside, the charging voltage can be any value above 7.4V. Since its fully charged voltage is 8.5V, the charging voltage should be above 8.5V if you want to charge it fully.Because of the limitation of the equipment, the highest voltage I supplied to charge it is 30V and there was no problem.
The charger can be a professional Lipo charger, a big experimental power supplier or even a regular power adapter. But for using the regular power adapter which has no LED to indicate the fully charged state, you have to check whether it is full manually.
Plus, Li-Ion/Polymer Battery Charger(FIT0136) on DFRobot is recommended.
2.Charging Current:
The basic knowledge you have to know is that the more currents your charger supplies the faster your charging will be done.
My testing results show that the max current for charging this battery is 4A, that means the charging current less than 4A will make the charging time proportionally longer. And the protection circuit in the battery will limit the max current to around 4A, no matter how many currents your charger can supply.
I think it is pretty clear about the charging problem.
And if you have any question about this, please let me know, I am glad to help. ;D
and now give you some suggestions below .1.Charging Voltage:
According to the official specification of this battery which is armed with a protection circuit inside, the charging voltage can be any value above 7.4V. Since its fully charged voltage is 8.5V, the charging voltage should be above 8.5V if you want to charge it fully.Because of the limitation of the equipment, the highest voltage I supplied to charge it is 30V and there was no problem.
The charger can be a professional Lipo charger, a big experimental power supplier or even a regular power adapter. But for using the regular power adapter which has no LED to indicate the fully charged state, you have to check whether it is full manually.
Plus, Li-Ion/Polymer Battery Charger(FIT0136) on DFRobot is recommended.
2.Charging Current:
The basic knowledge you have to know is that the more currents your charger supplies the faster your charging will be done.
My testing results show that the max current for charging this battery is 4A, that means the charging current less than 4A will make the charging time proportionally longer. And the protection circuit in the battery will limit the max current to around 4A, no matter how many currents your charger can supply.
I think it is pretty clear about the charging problem.
And if you have any question about this, please let me know, I am glad to help. ;D
2013-01-05 08:30:41 Hi Hector!
It has been a while, I know, but today was the first time I needed to recharge one of my batteries. But something went wrong with the 12V/5A PS. I used, as you suggested, this jack adapter with this, of course with the wires stripped to make a bridge between the PS and the battery. The heat build up, the cable started to smell and even your suggested jack adapter was so hot. I think the thin cable wasn't able to hold the 60W. So I changed the last part for a stronger speaker cable (0.32mm[sup]2[/sup]) with another jack adapter attached to its end. Even though it heated up, not so bad to start smelling, but enough so I couldn't rely leaving it alone charging. I'm posting this just as a warning to those who are thinking to do the same.
Anyway, now I grabbed one of my 12V/1A PS with this speaker cable/2 jack adapter and everything is going OK. No heat, no smell.
I know that I could try strip away the PS jack and replace it with the female adapter. But would the adapter hold this current anyway?
What would be the optimal voltage/current that I can use to be on the safe side? Would it help if I get a lower voltage (9V) with higher current (3A, maybe)?
I won't ask you to explain me, but could you point me to a good site that explains the relation between voltage, current and charging time?
Thank you again!
Mario mariocarta
It has been a while, I know, but today was the first time I needed to recharge one of my batteries. But something went wrong with the 12V/5A PS. I used, as you suggested, this jack adapter with this, of course with the wires stripped to make a bridge between the PS and the battery. The heat build up, the cable started to smell and even your suggested jack adapter was so hot. I think the thin cable wasn't able to hold the 60W. So I changed the last part for a stronger speaker cable (0.32mm[sup]2[/sup]) with another jack adapter attached to its end. Even though it heated up, not so bad to start smelling, but enough so I couldn't rely leaving it alone charging. I'm posting this just as a warning to those who are thinking to do the same.
Anyway, now I grabbed one of my 12V/1A PS with this speaker cable/2 jack adapter and everything is going OK. No heat, no smell.
I know that I could try strip away the PS jack and replace it with the female adapter. But would the adapter hold this current anyway?
What would be the optimal voltage/current that I can use to be on the safe side? Would it help if I get a lower voltage (9V) with higher current (3A, maybe)?
I won't ask you to explain me, but could you point me to a good site that explains the relation between voltage, current and charging time?
Thank you again!
Mario
mariocarta 2013-01-05 08:30:41 Hi Hector!
It has been a while, I know, but today was the first time I needed to recharge one of my batteries. But something went wrong with the 12V/5A PS. I used, as you suggested, this jack adapter with this, of course with the wires stripped to make a bridge between the PS and the battery. The heat build up, the cable started to smell and even your suggested jack adapter was so hot. I think the thin cable wasn't able to hold the 60W. So I changed the last part for a stronger speaker cable (0.32mm[sup]2[/sup]) with another jack adapter attached to its end. Even though it heated up, not so bad to start smelling, but enough so I couldn't rely leaving it alone charging. I'm posting this just as a warning to those who are thinking to do the same.
Anyway, now I grabbed one of my 12V/1A PS with this speaker cable/2 jack adapter and everything is going OK. No heat, no smell.
I know that I could try strip away the PS jack and replace it with the female adapter. But would the adapter hold this current anyway?
What would be the optimal voltage/current that I can use to be on the safe side? Would it help if I get a lower voltage (9V) with higher current (3A, maybe)?
I won't ask you to explain me, but could you point me to a good site that explains the relation between voltage, current and charging time?
Thank you again!
Mario mariocarta
It has been a while, I know, but today was the first time I needed to recharge one of my batteries. But something went wrong with the 12V/5A PS. I used, as you suggested, this jack adapter with this, of course with the wires stripped to make a bridge between the PS and the battery. The heat build up, the cable started to smell and even your suggested jack adapter was so hot. I think the thin cable wasn't able to hold the 60W. So I changed the last part for a stronger speaker cable (0.32mm[sup]2[/sup]) with another jack adapter attached to its end. Even though it heated up, not so bad to start smelling, but enough so I couldn't rely leaving it alone charging. I'm posting this just as a warning to those who are thinking to do the same.
Anyway, now I grabbed one of my 12V/1A PS with this speaker cable/2 jack adapter and everything is going OK. No heat, no smell.
I know that I could try strip away the PS jack and replace it with the female adapter. But would the adapter hold this current anyway?
What would be the optimal voltage/current that I can use to be on the safe side? Would it help if I get a lower voltage (9V) with higher current (3A, maybe)?
I won't ask you to explain me, but could you point me to a good site that explains the relation between voltage, current and charging time?
Thank you again!
Mario
mariocarta 2013-01-05 08:30:41 Hi Hector!
It has been a while, I know, but today was the first time I needed to recharge one of my batteries. But something went wrong with the 12V/5A PS. I used, as you suggested, this jack adapter with this, of course with the wires stripped to make a bridge between the PS and the battery. The heat build up, the cable started to smell and even your suggested jack adapter was so hot. I think the thin cable wasn't able to hold the 60W. So I changed the last part for a stronger speaker cable (0.32mm[sup]2[/sup]) with another jack adapter attached to its end. Even though it heated up, not so bad to start smelling, but enough so I couldn't rely leaving it alone charging. I'm posting this just as a warning to those who are thinking to do the same.
Anyway, now I grabbed one of my 12V/1A PS with this speaker cable/2 jack adapter and everything is going OK. No heat, no smell.
I know that I could try strip away the PS jack and replace it with the female adapter. But would the adapter hold this current anyway?
What would be the optimal voltage/current that I can use to be on the safe side? Would it help if I get a lower voltage (9V) with higher current (3A, maybe)?
I won't ask you to explain me, but could you point me to a good site that explains the relation between voltage, current and charging time?
Thank you again!
Mario mariocarta
It has been a while, I know, but today was the first time I needed to recharge one of my batteries. But something went wrong with the 12V/5A PS. I used, as you suggested, this jack adapter with this, of course with the wires stripped to make a bridge between the PS and the battery. The heat build up, the cable started to smell and even your suggested jack adapter was so hot. I think the thin cable wasn't able to hold the 60W. So I changed the last part for a stronger speaker cable (0.32mm[sup]2[/sup]) with another jack adapter attached to its end. Even though it heated up, not so bad to start smelling, but enough so I couldn't rely leaving it alone charging. I'm posting this just as a warning to those who are thinking to do the same.
Anyway, now I grabbed one of my 12V/1A PS with this speaker cable/2 jack adapter and everything is going OK. No heat, no smell.
I know that I could try strip away the PS jack and replace it with the female adapter. But would the adapter hold this current anyway?
What would be the optimal voltage/current that I can use to be on the safe side? Would it help if I get a lower voltage (9V) with higher current (3A, maybe)?
I won't ask you to explain me, but could you point me to a good site that explains the relation between voltage, current and charging time?
Thank you again!
Mario
mariocarta 2012-10-06 07:55:58 Hello!
I'm a complete newbie to this battery world. I bought two of these batteries (FIT0137). After a lot of research I found that the best charger would be the IMAX B6. Since there's no one left in stock I ordered from DX. Today it has arrived.
Reading the manual, I discovered that to charge it I would need a 3 pin JST conector (since it's 2 cells) and it doesn't allow me to charge anything above 3.7v with the 2 pins conection.
Now on this post, it seems that I don't need anything but a AC/DC converter with 9v and 5A. Am I right? Is it something like this?
Can I use the 12V / 5A power supply that came with my IMAX B6 charger?
And, could I trick the IMAX B6 to work with the battery? I'm asking this to be able to know when the battery is fully charged.
Thank you for standing me! mariocarta
I'm a complete newbie to this battery world. I bought two of these batteries (FIT0137). After a lot of research I found that the best charger would be the IMAX B6. Since there's no one left in stock I ordered from DX. Today it has arrived.
Reading the manual, I discovered that to charge it I would need a 3 pin JST conector (since it's 2 cells) and it doesn't allow me to charge anything above 3.7v with the 2 pins conection.
Now on this post, it seems that I don't need anything but a AC/DC converter with 9v and 5A. Am I right? Is it something like this?
Can I use the 12V / 5A power supply that came with my IMAX B6 charger?
And, could I trick the IMAX B6 to work with the battery? I'm asking this to be able to know when the battery is fully charged.
Thank you for standing me!
mariocarta 2012-10-06 07:55:58 Hello!
I'm a complete newbie to this battery world. I bought two of these batteries (FIT0137). After a lot of research I found that the best charger would be the IMAX B6. Since there's no one left in stock I ordered from DX. Today it has arrived.
Reading the manual, I discovered that to charge it I would need a 3 pin JST conector (since it's 2 cells) and it doesn't allow me to charge anything above 3.7v with the 2 pins conection.
Now on this post, it seems that I don't need anything but a AC/DC converter with 9v and 5A. Am I right? Is it something like this?
Can I use the 12V / 5A power supply that came with my IMAX B6 charger?
And, could I trick the IMAX B6 to work with the battery? I'm asking this to be able to know when the battery is fully charged.
Thank you for standing me! mariocarta
I'm a complete newbie to this battery world. I bought two of these batteries (FIT0137). After a lot of research I found that the best charger would be the IMAX B6. Since there's no one left in stock I ordered from DX. Today it has arrived.
Reading the manual, I discovered that to charge it I would need a 3 pin JST conector (since it's 2 cells) and it doesn't allow me to charge anything above 3.7v with the 2 pins conection.
Now on this post, it seems that I don't need anything but a AC/DC converter with 9v and 5A. Am I right? Is it something like this?
Can I use the 12V / 5A power supply that came with my IMAX B6 charger?
And, could I trick the IMAX B6 to work with the battery? I'm asking this to be able to know when the battery is fully charged.
Thank you for standing me!
mariocarta 2012-10-06 07:55:58 Hello!
I'm a complete newbie to this battery world. I bought two of these batteries (FIT0137). After a lot of research I found that the best charger would be the IMAX B6. Since there's no one left in stock I ordered from DX. Today it has arrived.
Reading the manual, I discovered that to charge it I would need a 3 pin JST conector (since it's 2 cells) and it doesn't allow me to charge anything above 3.7v with the 2 pins conection.
Now on this post, it seems that I don't need anything but a AC/DC converter with 9v and 5A. Am I right? Is it something like this?
Can I use the 12V / 5A power supply that came with my IMAX B6 charger?
And, could I trick the IMAX B6 to work with the battery? I'm asking this to be able to know when the battery is fully charged.
Thank you for standing me! mariocarta
I'm a complete newbie to this battery world. I bought two of these batteries (FIT0137). After a lot of research I found that the best charger would be the IMAX B6. Since there's no one left in stock I ordered from DX. Today it has arrived.
Reading the manual, I discovered that to charge it I would need a 3 pin JST conector (since it's 2 cells) and it doesn't allow me to charge anything above 3.7v with the 2 pins conection.
Now on this post, it seems that I don't need anything but a AC/DC converter with 9v and 5A. Am I right? Is it something like this?
Can I use the 12V / 5A power supply that came with my IMAX B6 charger?
And, could I trick the IMAX B6 to work with the battery? I'm asking this to be able to know when the battery is fully charged.
Thank you for standing me!
mariocarta 2012-09-21 19:05:01 Arobose,
As far as I know it is to automatically stop charging, in order to protect the battery and extend it's life.
We do not have any spec for the circuit, sorry. Hector
As far as I know it is to automatically stop charging, in order to protect the battery and extend it's life.
We do not have any spec for the circuit, sorry.
Hector 2012-09-21 19:05:01 Arobose,
As far as I know it is to automatically stop charging, in order to protect the battery and extend it's life.
We do not have any spec for the circuit, sorry. Hector
As far as I know it is to automatically stop charging, in order to protect the battery and extend it's life.
We do not have any spec for the circuit, sorry.
Hector 2012-09-21 19:05:01 Arobose,
As far as I know it is to automatically stop charging, in order to protect the battery and extend it's life.
We do not have any spec for the circuit, sorry. Hector
As far as I know it is to automatically stop charging, in order to protect the battery and extend it's life.
We do not have any spec for the circuit, sorry.
Hector 2012-09-19 21:51:21 Dear Hector,
Ok, so the Myster charger is not useful. But, we a standard supply, I cannot know when the battery is full. And I know a lipo battery has not to be charged to much otherwise it can explode. But, as noted in the description, there is a buildin protection board. Is the protection is for the auto-stop charging or auto-balancing or the both ?
Any spec about this circuit ?
Thanks a lot and regards,
Arobose. arobose
Ok, so the Myster charger is not useful. But, we a standard supply, I cannot know when the battery is full. And I know a lipo battery has not to be charged to much otherwise it can explode. But, as noted in the description, there is a buildin protection board. Is the protection is for the auto-stop charging or auto-balancing or the both ?
Any spec about this circuit ?
Thanks a lot and regards,
Arobose.
arobose 2012-09-19 21:51:21 Dear Hector,
Ok, so the Myster charger is not useful. But, we a standard supply, I cannot know when the battery is full. And I know a lipo battery has not to be charged to much otherwise it can explode. But, as noted in the description, there is a buildin protection board. Is the protection is for the auto-stop charging or auto-balancing or the both ?
Any spec about this circuit ?
Thanks a lot and regards,
Arobose. arobose
Ok, so the Myster charger is not useful. But, we a standard supply, I cannot know when the battery is full. And I know a lipo battery has not to be charged to much otherwise it can explode. But, as noted in the description, there is a buildin protection board. Is the protection is for the auto-stop charging or auto-balancing or the both ?
Any spec about this circuit ?
Thanks a lot and regards,
Arobose.
arobose 2012-09-19 21:51:21 Dear Hector,
Ok, so the Myster charger is not useful. But, we a standard supply, I cannot know when the battery is full. And I know a lipo battery has not to be charged to much otherwise it can explode. But, as noted in the description, there is a buildin protection board. Is the protection is for the auto-stop charging or auto-balancing or the both ?
Any spec about this circuit ?
Thanks a lot and regards,
Arobose. arobose
Ok, so the Myster charger is not useful. But, we a standard supply, I cannot know when the battery is full. And I know a lipo battery has not to be charged to much otherwise it can explode. But, as noted in the description, there is a buildin protection board. Is the protection is for the auto-stop charging or auto-balancing or the both ?
Any spec about this circuit ?
Thanks a lot and regards,
Arobose.
arobose 2012-09-17 17:25:22 Hi Arobose,
you will probably need to make your own cable to charge it. This new battery does not require a special battery charger... Just make sure when you make your own cable you make it "center positive". Meaning that the positive wire (red) should be attached to the center pole of the jack.
You can use this type of jack to make your own charging cable. Hector
you will probably need to make your own cable to charge it. This new battery does not require a special battery charger... Just make sure when you make your own cable you make it "center positive". Meaning that the positive wire (red) should be attached to the center pole of the jack.
You can use this type of jack to make your own charging cable.
Hector 2012-09-17 17:25:22 Hi Arobose,
you will probably need to make your own cable to charge it. This new battery does not require a special battery charger... Just make sure when you make your own cable you make it "center positive". Meaning that the positive wire (red) should be attached to the center pole of the jack.
You can use this type of jack to make your own charging cable. Hector
you will probably need to make your own cable to charge it. This new battery does not require a special battery charger... Just make sure when you make your own cable you make it "center positive". Meaning that the positive wire (red) should be attached to the center pole of the jack.
You can use this type of jack to make your own charging cable.
Hector 2012-09-17 17:25:22 Hi Arobose,
you will probably need to make your own cable to charge it. This new battery does not require a special battery charger... Just make sure when you make your own cable you make it "center positive". Meaning that the positive wire (red) should be attached to the center pole of the jack.
You can use this type of jack to make your own charging cable. Hector
you will probably need to make your own cable to charge it. This new battery does not require a special battery charger... Just make sure when you make your own cable you make it "center positive". Meaning that the positive wire (red) should be attached to the center pole of the jack.
You can use this type of jack to make your own charging cable.
Hector 2012-09-14 02:41:14 Hi Hector,
Thanks for your answer
The charger is a Mystery 2S & 3S Li-po 7.4V 11.1V Balancer Charger CX450-50-01
Thanks a lot for help.
Arobose. arobose
Thanks for your answer
The charger is a Mystery 2S & 3S Li-po 7.4V 11.1V Balancer Charger CX450-50-01
Thanks a lot for help.
Arobose.
arobose 2012-09-14 02:41:14 Hi Hector,
Thanks for your answer
The charger is a Mystery 2S & 3S Li-po 7.4V 11.1V Balancer Charger CX450-50-01
Thanks a lot for help.
Arobose. arobose
Thanks for your answer
The charger is a Mystery 2S & 3S Li-po 7.4V 11.1V Balancer Charger CX450-50-01
Thanks a lot for help.
Arobose.
arobose 
