Question 1

These batteries get hot when I charge them. Anyone know why?

Accepted Answer

Lithium burns at 3632 degrees fahrenheit. When lithium batteries rupture, it sends pieces of lithium at that temperature all around the battery. 
For comparison, Napalm burns at 1832 degrees fahrenheit. 
Do i need to explain further why charging non-rechargeable lithium batteries is an absolutely terrible idea?

Question 2

These batteries for the rechargeable ones for an every day hallway light motion detector?

Accepted Answer

Energizer Ultimate Lithium batteries are not rechargeable.  Although they would probably work well in an AAA-powered motion detector, these batteries must be disposed of (preferebly, recycled) when depleted, and keeping your motion detector powered with these would be expensive.  Primary (non-rechargeable) lithium batteries like these are best for infrequently-used devices, especially ones exposed to high or low temperatures, like an emergency flashlight that you keep in your car.  You would probably be happier with rechargeable NiMH batteries for a constantly-used device like a motion detector.

Question 3

what is the voltage? Are these lithium rechargeable?

Accepted Answer

Not rechargeable for the standard user. They maintain a steady 1.5V compared to typical alkaline, well deserving of the "longest lasting AA/AAA battery" title.

Question 4

It says alkaline in the description..

Accepted Answer

No these are Lithium based batteries.  They last much longer in electronics and do not leak.  They don't drain slowly with weakening performance and reliability as alkaline batteries do.  These Engerizer lithium work at full strength for a long time and then they simply die, a clear indication to replace the set.

ASIN	B06ZYWKBRB
Amperage	1.5 Amps
Antenna Location	Camera, Clock, Radio
Battery Cell Type	Lithium
Battery Weight	15 Grams
Brand Name	Energizer
Compatible Phone Models	Power cameras, GPS units, wireless controllers
Customer Reviews	4.8 4.8 out of 5 stars (15,096)
Global Trade Identification Number	00039800130747
Item Dimensions	3 x 199 x 11 Millimeters
Item Weight Unit of Measure	96 Grams
Manufacturer	0
Model Number	L92SBP-12
Number of Batteries	12 AAA batteries required. (included)
Reusability	Single Use
UPC	039800130747
Unit Count	12.0 Count
Voltage	9 Volts

Eveready Energizer Ultimate Lithium AAA Batteries -12 Count

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