m1 cell question

[zeropointbug]

Why would you charge it with a NiMH charger? You would only get about 80% charge if you cut it off right when it hits 3.6 volts. The need to be charged using their chargers which use CCCV (Constant-Current--Constant Voltage) which when it hits 3.6 volts, holds it, then the current dies off until hits 50mA then charge can be cut off. You can also charge it on a Lithium charger with the new Lipodapter

Or you could get a good lab quality power supply if you are willing, BK Precision 1696. You could charge any battery with this bad boy. $330 Not for everyone.

[MetalMan]

Originally Posted by zeropointbug

Why would you charge it with a NiMH charger? You would only get about 80% charge if you cut it off right when it hits 3.6 volts. The need to be charged using their chargers which use CCCV (Constant-Current--Constant Voltage) which when it hits 3.6 volts, holds it, then the current dies off until hits 50mA then charge can be cut off. You can also charge it on a Lithium charger with the new Lipodapter

Or you could get a good lab quality power supply if you are willing, BK Precision 1696. You could charge any battery with this bad boy. $330 Not for everyone.

I plan on doing a "manual" CV phase, where I will lower the charge current to keep the pack close to 3.6v/cell.

Just FYI, the LiPo Dapter does the same thing I was talking about - it cuts the charge when the pack reaches 3.6v/cell, it doesn't do CV.

[starscream]

Originally Posted by zeropointbug

Why would you charge it with a NiMH charger? You would only get about 80% charge if you cut it off right when it hits 3.6 volts. The need to be charged using their chargers which use CCCV (Constant-Current--Constant Voltage) which when it hits 3.6 volts, holds it, then the current dies off until hits 50mA then charge can be cut off. You can also charge it on a Lithium charger with the new Lipodapter

Or you could get a good lab quality power supply if you are willing, BK Precision 1696. You could charge any battery with this bad boy. $330 Not for everyone.

The Dapter charges the M1's to around 90% which should actually increase the life of the cells.

The LipoDapter works with Nihm/Nicad chargers but I suppose you could also use it with a Lipo charger. I've been using my Dapter for a few months now and I'll say that the $40 investment was well worth it as well as giving my Astroflight 110D another use other than collecting dust.

Its my understanding that the M1 cells have silver tabs that are not good for soldering. So, I would not recommend soldering on these cells but if you must, just be careful. I use the solderless power tubes so soldering is not even a consideration for me :017: