Mixing battery types

4 posts / 0 new
Last post
hogheaven
Offline
Last seen: 15 years 7 months ago
Joined: Thursday, June 5, 2008 - 12:48
Points: 20
Mixing battery types

Does anybody know if there is a problem with mixing battery types? That is, is there a problem with wiring a 36V, 10 Ah SLA battery in parallel with a 36 V, 10 Ah LiPo battery? I don't see how there could be, but I thought I'd ask the experts.

bocabikeguy
Offline
Last seen: 15 years 7 months ago
Joined: Saturday, June 7, 2008 - 05:25
Points: 106
Re: Mixing battery types

No problem, but be aware that the packs start out at different voltages (li-ion has a nominal voltage of 37 volts, not 36), so you should use a diode to make sure the li-ion pack does not charge the SLA pack, and make sure your current demands on the li-ion pack do not exceed the capability of the pack. In general you should not use more current from both packs together than the li-ion pack is capable of on its own.

hogheaven
Offline
Last seen: 15 years 7 months ago
Joined: Thursday, June 5, 2008 - 12:48
Points: 20
Re: Mixing battery types

Maybe I should just install some sort of toggle switch I can throw when one battery konks out, to engage the other battery while isolating the dead battery.

dogman
dogman's picture
Offline
Last seen: 14 years 4 months ago
Joined: Tuesday, April 29, 2008 - 15:41
Points: 830
Re: Mixing battery types

Being a simple kind of guy, when I do this, i just unplug the drained battery and plug in the fresh one. It takes about 2 seconds and I don't mind a stop that long.

Be the pack leader.
36 volt sla schwinn beach cruiser
36 volt lifepo4 mongoose mtb
24 volt sla + nicad EV Global

Log in or register to post comments

Buy Ecotric bikes, get free accessories!


Who's online

There are currently 0 users online.

Who's new

  • Juli76
  • xovacharging
  • stuuno
  • marce002
  • Heiwarsot

Support V is for Voltage