Ebay LiPO4 24volt 10 AH

[mvadventure]

For what it's worth: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=270150676220&sspagename=ADME:L:RTQ:US:1

I emailed these folks and asked for 48 volts 20 AH but they can't do it right now, maybe never but if anyone is happy with 10 AH these are a potential bargain.

Mike

 

[xyster]

Pull the cells, dump the BMS, rewire as needed to meet voltage and capacity desires, then charge with A123-compatible Dewalt or RC chargers, or standard lithium chargers 8-cells per 7s charger, or 7 cells per 6s charger.

This looks like the same light blue LiFePO4 pack sold by FalconEV et al. Apparently he has, had, or expects to have 20ah packs in 24v, 36v, and 48 volts.

http://www.falconev.com/batteries.html

 

[magudaman]

Looks like a heck of deal but do these cheap chinese copies really get the 1000 plus cycles like the A123s. I mean batteryspace who I would consider more reputable has the LiFePO4 and they are only rating them for 500 cycles.

 

[tomv]

Just for the record A123 doesn't manufacture batteries. They are made by China BAK. Listen to their latest earnings call. For some reason their A123 production dropped 60% last querter... I wonder why.

 

[AliasMrJones]

For what it's worth: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=270150676220&sspagename=ADME:L:RTQ:US:1

I emailed these folks and asked for 48 volts 20 AH but they can't do it right now, maybe never but if anyone is happy with 10 AH these are a potential bargain.

Mike

Could you buy 2 and wire in series without frying the bms?

 

[numberonekiwi]

looking at the specs

Type; LiFePO4 E-bike pack
Volt; 24V
Capacity: 10Ah
Weight: 3.9KG
This LifePO4 unit including the LiFePO4 pack, battery management system and a 3A charger.

Fit machine;

24v 350w E-bike

Specification:

1. Speed; 25KM/H
2. Power: 35KM
3. Load: 70kg

I did an initial 1 km test with my new meter and have the following results. This was a hard stop and start test.

1.141 amp hour used
27.3 watt hours
39.05 amp peak
22.54 volts min
915.4 watt peak used

these figures seem high at 36v NiMH I get 18.8 Km for 4.5AH avg or 8.5~9.0 Wh/Km