My New Lifepo4 Battery

[gasfree]

Hi guys. I finally got my battery!!! Its just too bad I don't have a bike to test it. This is going to go on my front hub 406 what do you guys think about it? Also would this be good enough for a 5 series motor? Thanks.

Specifications:
Fit 48V Motor Wattage: 500 Watt to 1000 Watt, 700 Watt suggested
Voltage: 48 Volts
Capacity: 15 Amp Hours
Dimension: 16" X 6" X 3"
Weight: 15lbs
Charging Voltage: 61 Volts
Charging Current: <5 Amps
Rated Discharging Amperage: 15 Amps
Max Continuous Discharging Amperage: 30 Amps
Maximum Discharging Current: 60 Amps
Discharging Cut-off Protection: 35 Amps
Lifecycle: >1500 times

Includes :
1x 48v15AH LiFePo4 lithium-ion batteries
1x SUPER B.M.S System
1x 3 Stage Fast Charger

 

[marty]

Hi guys. I finally got my battery!!! xxx

Got from where? How much $?

 

[gasfree]

Got it from ebay. This is the link to the sellers:
http://cgi.ebay.com/48V15AH-LiFePO4-Electric-Scooter-E-Bike-Li-Fe-Battery_W0QQitemZ290246189287QQcmdZViewItem?hash=item290246189287&_trksid=p3911.m14.l1318

I paid $630 for the everything delivered to my door. The guys service is very good. He was easy to deal with and I told him the dimensions I needed for my bike so he did the welding as well.

 

[gasfree]

I forgot to ask one thing what is the C- for?

 

[dogman dan]

You will have a positive wire, and two negatives. One - for discharge and one - for charge. Most of the Duct tape batteries are fine with smaller motors like the 400 series or WE, but the big dogs tend to pull too much current and trip the bms.

 

[gasfree]

OK I see. So I take it the C- is the charging one and the P- is the discharging one. I will try to make the connections later on. I need to get some anderson connectors and some thicker gauge wire. I will get my wife or one of the kids to test it on the flats around the neighbourhood.

 

[albie]

depending on the controller you get... this will suck on a 5 series motor... you need some thing that has a cutoff of like 50amp for a 5 series motor to fully appreciate...

yes this is coming from a guy who has killed a duct tape lifepo4 from normal x5304 use

 

[gasfree]

OK cool a have the crystalyte 48volt 35amp controller so I guess I will have to upgrade that as well. I just want a little more torque out of my front 406 I am happy with the speed.

 

[albie]

how much torque do you want? 48v and 35amp is plenty as a daily. If you want really crazy acceleration... A 50amp controller and a battery pack that can handle that much amp draw will be worthwhile but be prepared to fork put the dollars for that

 

[gasfree]

Well With my current setup front 406 with the 48v 35 a controller and 4 12v 12ah sla the bike doesnt do very well on hills. On flats its Great. But I have to come up two big hills from work. Both are quite steep maybe like 40 degree slope for a good 1.2 km My bike weighs in at about 80lbs and I weigh 212lbs. I am getting rid of the sla soon and putting on a lifepo4 48v 15ah pack that will drop the weight down about 20lbs I should see a difference I just want the little extra umfff for days that I am more tired coming from work.

 

[jondoh]

is that 406 in a 20" or 26" wheel?

 

[gasfree]

26 inch wheel. Should down size?

 

[JinbaIttai]

Well With my current setup front 406 with the 48v 35 a controller and 4 12v 12ah sla the bike doesnt do very well on hills. On flats its Great. But I have to come up two big hills from work. Both are quite steep maybe like 40 degree slope for a good 1.2 km...

Are you sure about 40 degrees? The steepest street in the world is under 20.
http://en.wikipedia.org/wiki/Baldwin_Street,_Dunedin


Anyway, how is the new battery in going up the hills compared to your SLAs?

 

[Johnbear]

I have the 406 as well. It is not a hill climber. It has great top speed -great for going fast. I am sure the loss of 30lbs of sla will help! I think a 408 would make a big difference. Keep us posted. I have several duct tape packs and have run one for over 1500km so far with no problems - but I keep it under 20 amps and I always keep it charged.

 

[dogman dan]

Taos double black diamond ski slopes are 35 degree slopes. They look vertical when you stand on em. I'm sure your hills are steep, but not steeper than the steepest roof in town. Maybe you should try a geared motor for steep hills.

 

[jmygann]

how many cells are in the pack ??