The d cells have a lot of capacity but the voltage drop off is pretty serious.
Lithium d cell capacity.
Lithium d batteries will always be more expensive than alkaline d batteries.
Lithium thionyl chloride cells do not supply high discharge currents typically 1 10 the current of other cell types.
Another factor to consider is weight.
I would say that a larger lithium primary c d cell could be a concern but i think the cost is the main issue a c cell would have to cost about 2 5 4 times as much and a d cell would cost 4 7 times as much i don t think people will buy 10 15 single d disposable batteries often enough for them to ramp up an assembly line for such purpose as.
On the other hand 4xaa has pretty serious capacity as well.
When it comes to the old debate of lithium d batteries vs alkaline d batteries there is one thing that should be noted.
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There are now a number of low discharge d size cells available.
Electronics 14 49 14.
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The highest capacity d size rechargeable cells are rated from 10000 to 12000 mah milliamp hours.
In stock on october.
These cells are as powerful alkaline batteries and they hold 85 of their charge for a year.
However they last for 20 years and withstand temperature extremes of 55 to 150 degrees c.
The strobe which i suppose uses a capacator probably is one of the few applications the d cell would be good at.
With up to a 10 year storage life energizer d s are ready when you need them.
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Lithium batteries are primary batteries that have metallic lithium as an anode these types of batteries are also referred to as lithium metal batteries.
Lithium vs alkaline d batteries.
They stand apart from other batteries in their high charge density long life and high cost per unit.
Unfortunately this comes at a higher cost.
1 5 volts sizing compatibility storage temp 40 c to 60 c 40 f to 140 f operating temp 40 c to 60 c 40 f to 140 f typical weight.
15 grams 0 5 oz typical volume.
Lithium iron disulfide li fes 2 designation.
Cylindrical primary lithium chemical system.
Depending on the design and chemical compounds used lithium cells can produce voltages from 1 5 v comparable to a zinc carbon or.