New Dewalt 33-volt Batteries

3 replies [Last post]
chas_stevenson's picture
Offline
Joined: 12/06/2006
Posts:
Points: 1309

Well this time I bought 4 of the Dewalt 33-volt battery packs. I want to put them together as a single battery pack and I was hoping some of you can help.

1. Do I need to put a diode between the battery packs so they wont try to charge each other?

2. If so should I use Schottky Diodes?

3. If that answer for 2. is yes then where is a good source for these diodes.

I also bought 4 charges. The plan is to add a connector to the packs, leaving the stock case and connectors in tack, so when they are in the bike I can plug them in to a wiring harness which will connect them in parallel with each other. Then be able to remove them and place them on the chargers in their stock configuration. Does anyone know why this will not work? the Cost for those wondering was $635.oo for the batteries and charges, which is nowhere near what I paid for the last set of batteries I bought. :)

Thanks in advance,
Chas S.

Comment viewing options

Select your preferred way to display the comments and click "Save settings" to activate your changes.
Offline
Joined: 04/10/2007
Posts:
Points: 50
Re: New Dewalt 33-volt Batteries

Hi Chas,

If you haven't already, you should read this discussion right in this same section. I think all your questions are answered:

http://visforvoltage.org/forum-topic/batteries-and-chargers/578-a123-developer-packs

About half-way through is a picture of a pack system made by Magudaman that seems like just what you have in mind. No diodes necessary.

You just have to make sure the batteries get charged to the same voltage before tying them back in parallel on your bike. You don't want to melt your connectors....

Brian

chas_stevenson's picture
Offline
Joined: 12/06/2006
Posts:
Points: 1309
Re: New Dewalt 33-volt Batteries

Brain,

Thanks for the link to the other post I forgot about that one. I knew I had seen the information about this somewhere and you sent straight to it.

Thanks again,
Chas S.
My Bicycle Pages

efreak's picture
Offline
Joined: 07/15/2007
Posts:
Points: 10
Re: New Dewalt 33-volt Batteries

This to me sound s the best set up you can make your harness tight and tidey and use the stock batteries. I'd love to be able to see some more picture of this kind of set up for dewalts.

efreak

Comment viewing options

Select your preferred way to display the comments and click "Save settings" to activate your changes.

Short URL

Customize This