I got new batts and 4g wires! yeah!

TxPowderCoater

I'm gonna be cruising again!
that is all :-)

update with charger question:
The cart is a 90 marathon, the charger has a timer on it, the question is: will the charger still shut off automatically when needed at full charge even though there is "time" left on the timer?

BGW

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Knothead

TxPowderCoater

got em installed, it runs great! buzzed it around for a short bit and tossed it on the charger.

Charger question: mine is a 90 marathon, it has a timer on the charger, does it still shut off automatically when its needed even though there is "time" left on the timer?

3WheelDumbo

Charger... If its an older Total Charge the timer is elapsed time of charge, when you put it to start it tracks how long before the charger shuts off (up to 12hours) It then has to be reset by turning it off and then placing back on start for it to charge again. Hope that helps, especially coming from me, the stupid question king (Note my ID)

TxPowderCoater

its an ezgo textron charger...
so how does it keep from overcharging the batteries. I noticed it was charging around 18 amps when first plugged in and as time passes it is charging less and less, its around 8 amps now (1 hour later, brand new 36v continental pack), so as they get charged I'm guessing it knows and it regulating itself, timer or not but I dont for fact. I do know its charging less as I expect it should as time passes and they get charged so it doesnt just hammer them with 18 amps the whole time.

simple man

If it has a green face it has both a voltage sensing board and the timer on the dial. When you set it to start, it will charge at a higher current until the resistance of the batteries goes up causing the current rate to drop and the charge voltage to rise. There is a preset voltage cutoff that will turn off the charger. There is also a voltage cutoff if the preset voltage is not reached, but the charge voltage does not change within an hour or so. If the board fails, the time set on the dial will determine the shutoff. Sometimes the board will fail and not let the charger operate at all. The normal cutoff voltage is 43 - 46V. After several hours your charge rate ( amps ) should be low ( 5 amps or less ). You may want to measure your pack voltage several hours into a charge cycle. It should be above 43V.

TxPowderCoater

Thanks, its a green face and its working as it should I suspect. after 3 hours on new pack it read almost 2 amps or so, the cart has an analog gauge and it shows full but who knows how accurate it is. I'll check pack voltage with ohm meter in a bit.
guess we will wait and see if the charger stops its slight buzzing sound here shortly.

TxPowderCoater

I just checked pack voltage 40.6, guess we will let the green monster hum along and do the trickle charge thing. it shows approx. 2 amps now and humming along. started at 18-20 amps and kept ramping down as the charge went up I'd guess.
analog meter shows pegged but obviously if pack voltage should be 43+ and I'm at 40, ain't there yet...

jdunmyer

The meter on the cart WILL show above full charge while the charger is running, as the charger pushes the pack voltage up. It wouldn't charge at all otherwise. The cart's meter should be more relevant after the charger is done and has been shut off for at least 12 hours.

TxPowderCoater

It should "time out"/shut off around 12 tonight, thats 11 hours on a brand new pack. the meter on the charger shows little or no amps, trickle charge mode I guess. I reckon by the morning it should be ok to ride.
pack voltage currently at 41.3