Skip to main content

All Questions

Tagged with
Filter by
Sorted by
Tagged with
0 votes
1 answer
49 views

making a long lasting battery pack for 24V/0.5A

I brought a stereo equipment from Japan that uses a wall-wart set at 24V/0.5A. I would like to replace the PS with a long-lasting battery pack, but all I can find are 12V/5A batteries, or 24V/5A. I do ...
Reimar Bruening's user avatar
0 votes
1 answer
202 views

2 x 90 Ah 12v deep cycle batteries in series runs 77-90w for under 20 minutes. Why?

I am trying to understand the maths here. I have 2x90Ah 12v batteries in series (24v) and they are powering my computer. The peak power is 120w while the computer is shutting down during a power loss. ...
Eric The Red's user avatar
1 vote
2 answers
1k views

parallel connecting 24v 1500mah NIMH battery packs and how to charge

After several of searches on the internet for information about charging NIMH batteriers, i feel the need for some clarification. I've gotten my hands on a bunch of battery packs. Each battery pack is ...
Christian Holm's user avatar
1 vote
0 answers
80 views

Battery management for 12-24V motors

We have 4 12-24V motors which we want to connect to a 14,8V battery. Two of the motors are position controlled (M3 and M4, see figure) and will not draw much current as they will mainly be stationary. ...
bjornsing's user avatar
  • 163
0 votes
0 answers
2k views

How to connect a 12V battery to a 24V system?

I have a 24V battery (two 12V lead/acid in series) connected to solar panels and I'm looking for a way to have a 12V battery and circuit. (But the solar array will charge the 24V system so i need the ...
bob dylan's user avatar
  • 255
2 votes
3 answers
3k views

Can I Run An Appliance From a 24v Battery?

First, a little backstory. My wife is planning to operate a booth at some craft fairs and we require power for a piece of equipment (Silhouette Cameo, a computer controlled vinyl cutting machine). We'...
Thomas Stiegler's user avatar
0 votes
1 answer
662 views

Can I recharge 12V batteries individually while why are attached in series? [duplicate]

Possible Duplicate: Charging two lead-acid batteries connected in series, separately (with two solar panels) I have 12V Solar Panels and 12V batteries. But my laptop needs 17V to recharge. I ...
Pietro Speroni's user avatar