dogman dan
1 PW
This battery is about 18 months old, as of August 2011. I have counted 225 cycles on it so far.
The use has been primarly on commuter bikes, running 22 amp controllers and 2807 winding 9 continent motors. Some of the time though, it uses 2810 windings, which resulted in slower speed and coresponding lower c rates. Typical dod was 50% in the morning, 80% in the afternoon climbing back home uphill. Charging is in the hot or cold, whichever it is, including a garage that is often way above 100F all summer.
Today I did a discharge to lvc, to see if the lvc still works. It does, and tripped at about 23 miles. 14 ah used. The ride was entirely wot, so the test showed close to identical range as when the battery was new. It did do slightly better for the first month, then settled in where it is now. Typically, it holds 56v. So though it charges higher, it drops to 56v as soon as you start riding.
The lvc is at about 44.5v. The voltage slowly dropped to about 45v, then went off the cliff. Went from 44.9v to cutoff in about 200 feet.
The use has been primarly on commuter bikes, running 22 amp controllers and 2807 winding 9 continent motors. Some of the time though, it uses 2810 windings, which resulted in slower speed and coresponding lower c rates. Typical dod was 50% in the morning, 80% in the afternoon climbing back home uphill. Charging is in the hot or cold, whichever it is, including a garage that is often way above 100F all summer.
Today I did a discharge to lvc, to see if the lvc still works. It does, and tripped at about 23 miles. 14 ah used. The ride was entirely wot, so the test showed close to identical range as when the battery was new. It did do slightly better for the first month, then settled in where it is now. Typically, it holds 56v. So though it charges higher, it drops to 56v as soon as you start riding.
The lvc is at about 44.5v. The voltage slowly dropped to about 45v, then went off the cliff. Went from 44.9v to cutoff in about 200 feet.