LiPo4s source and Charger

ryguy24000 · Feb 25, 2012

I own a Spark SD52 headlamp that can run 2 LiPo4s. I think I would like to try this as it would increase the lights performance. where is a good source for these batteries and do I need a LIPO charger? I have a Lion charger already. I don't know much about LiPo? I need some education I guess.

Shadowww · Feb 26, 2012

Do you mean LiPo (Lithium-Polymer) or LiFePO4 (Lithium Iron Phosphate)? These are two very different chemistries, and you shouldn't ever mix them up!
LiPo's (Li-Polymer) can be threated as Li-Ion, and charged with Li-Ion charger, because they have same charging profile - 4.2V CC/CV.
But with LiFePO4 you'd have to get different charger - because LiFePO4 has nominal voltage of 3.3V (can be 3.2V sometimes) and charging profile being 3.65V CC/CV.

ryguy24000 · Feb 27, 2012

This is a quote from SB Flashlight and Spark web sight

Battery

2*AA or 2*IFR14500, working range from 1.6V to 7.6V
The rest I got from post #72 here
http://www.candlepowerforums.com/vb/showthread.php?325559-Spark-SD52-Mini-Review/page3

ryguy24000 · Feb 28, 2012

Hey ryguy check this out
http://www.candlepowerforums.com/vb/showthread.php?325456-What-exactly-does-quot-IMR-quot-mean

LiPo4s source and Charger

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