720/E - fast charging possible?

hoverdonkey

Member
Joined
Dec 12, 2022
Messages
5
Reaction score
0
Age
52
Location
UK
Hi


Has anyone had any luck charging the HS720/E batteries with other (faster!) chargers?

This 3rd party charger is apparently better than the stock one as it can charge two batteries simultaneously, but it is still not particularly powerful. However, the info suggests that the batteries are 2S Li-Po, and it does come with adaptors that look like they could work with any standard Li-Po balance charger. Now... I do already have a SkyRC e680 80W charger, which allows charging current to be set.... the real question I suppose would be - what is the safe maximum...?

Any thoughts/advice would be very welcome please!


PS If this works, a bonus would be that the e680 charger could be used to put batteries into storage state, as it has the faciltiy to charge/discharge to a set voltage.
 
I once used IMAX-B6 for this. To charge a Li-pol battery, the charge current should not exceed 1C. In your case it is 2.8A. But I wouldn't do more than 2A.
 
I once used IMAX-B6 for this. To charge a Li-pol battery, the charge current should not exceed 1C. In your case it is 2.8A. But I wouldn't do more than 2A.
Thanks, good to know. How did you make the connection to the battery?
 
Awesome guys, I have the imax b6 charger , I’m going to make a custom cable just like yours thanks for the pin outs much appreciated.
 
Is pin 5 (3.7v) used in the charging process or just output to the drone?
BTW - messed with your pic a bit - makes it easier for ppl to save the data
 

Attachments

  • IMG_20221213_193840b.jpg
    IMG_20221213_193840b.jpg
    37.8 KB · Views: 13
  • Like
Reactions: tester73
I made these two connectors to charge them with two Prophet Sports Mini Chargers at 3amp. It takes them both 1 hour and 5 - 10mins to fully charge. The batteries don't get warm and they both give me around 24 minutes of flight time. I charged them with bare cables before I made the connector to make sure they would work. You can see where I connected the cables. I found out the voltages using a multimeter. Hope this helps.
 

Attachments

  • 20230118_213739.jpg
    20230118_213739.jpg
    1.4 MB · Views: 11
  • 20230114_134628.jpg
    20230114_134628.jpg
    793.6 KB · Views: 11

Recent Posts

Members online

No members online now.

Forum statistics

Threads
1,152
Messages
3,427
Members
1,408
Latest member
jordyy