Most batteries have a voltage cutoff of 0.8 volts per battery to make the most use of the available battery capacity. Energizer AA lithium batteries are different; they allow you to discharge up to 0.5 volts when used in high-drain devices.
The Energizer Ultimate Lithium AA batteries are the world's longest-lasting batteries as they can hold a charge for up to 6 times more than other leading brands. You can count on these AA and AAA batteries to hold at least 95% of their initial power up to 20 years in storage.
Superior Performance in Extreme Temperatures
You can depend on your Energizer Ultimate Lithium batteries in all seasons, thanks to their low-temperature sensitivity. They perform optimally between -40℃ and 60℃ (-104℉ and 140℉) and hold power when stored at the same temperatures.
Although chemical reactions for most batteries are slower at temperatures below room temperature, you can expect LiFeS2 batteries to deliver optimally at temperatures as low as -40℃.
How? LiFeS2 batteries have a larger surface area and use a non-aqueous electrolyte, which increases the conductivity of the batteries as temperatures drop.
On the contrary, warmer temperatures boost the performance of LiFeS2 batteries in high-tech devices. Typically, higher temperatures increase the chemical reactions and storage capacity of a battery.
According to Scientific reports, a 36℉ increase in temperatures can cause a 20% increase in a lithium battery's maximum storage capacity. As a result, the battery delivers greater performance in the short term, but it reduces its overall lifecycle significantly.
It's essential to avoid prolonged heat exposure to prevent battery degradation.