Nothing outlasts Energizer Ultimate Lithium 9V Batteries. These Energizer batteries last up to 20 percent longer in toys versus Energizer MAX batteries, and they feature leak resistant construction and performance in extreme temperatures ranging from -40 F to 140 F. Use these 9 volt lithium batteries to power toys and games, or use them to provide up to 10 year battery backup in AC powered smoke detectors. Energizer 9 volt Ultimate Lithium batteries weigh 25 percent less than standard alkaline batteries. They also hold power for up to 10 years in storage, letting you keep a ready supply of backup 9 volt batteries. To ensure your favorite devices operate at their peak performance, depend on Energizer lithium batteries for work, play and home.
Q: What is the maximum operating temperature for these batteries?
A: These batteries have a maximum operating temperature of 140 degrees Fahrenheit.
Q: What is the minimum operating temperature for these batteries?
A: The minimum operating temperature is -40 degrees Fahrenheit.
Q: How long can these Energizer batteries be stored?
A: Energizer Ultimate Lithium 9V batteries can be stored for up to 10 years.
Q: Are these Energizer batteries rechargeable?
A: No, these batteries are not rechargeable.
Q: How many batteries are included in a pack?
A: The package contains 1 battery.
Q: Do these batteries have overload protection?
A: Yes, these batteries have overload protection.
Q: What is the expiration date?
A: 10 Years
Q: How long do these batteries typically last in a smoke alarm before needing to be replaced?
A: They typically last a few years. What really separates this battery from Alkaline types is that it works well at low temperatures where others would produce lower output voltage.
Rating 4.8 out of 5 stars with 155 reviews
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

Nothing outlasts Energizer Ultimate Lithium 9V Batteries. These Energizer batteries last up to 20 percent longer in toys versus Energizer MAX batteries, and they feature leak resistant construction and performance in extreme temperatures ranging from -40 F to 140 F. Use these 9 volt lithium batteries to power toys and games, or use them to provide up to 10 year battery backup in AC powered smoke detectors. Energizer 9 volt Ultimate Lithium batteries weigh 25 percent less than standard alkaline batteries. They also hold power for up to 10 years in storage, letting you keep a ready supply of backup 9 volt batteries. To ensure your favorite devices operate at their peak performance, depend on Energizer lithium batteries for work, play and home.

Energizer MAX 9V Alkaline Batteries are all about long lasting power for your everyday devices. Made to last, not to leak, these Energizer batteries fuel the technology that helps you live, work and play. Use these Energizer 9 volt batteries to power a variety of everyday gadgets and household items, whether you need smoke detector batteries, remote control car batteries, or 9V batteries for your child's favorite toys and games. With a shelf life of up to 5 years, these batteries are ready to keep your devices operating when you need them most. Depend on Energizer MAX 9 volt alkaline batteries to fuel your everyday electronics, whether you're at home, work or play.

Energizer 2025 Lithium Coin Batteries provide reliable, long lasting power for your important devices. These lithium 2025 batteries perform in extreme temperatures ranging from -22 F to 140 F for dependable power, even in the toughest conditions. Reach for these Energizer batteries when you need calculator batteries, key fob batteries, or batteries for remotes. Energizer coin batteries are also an ideal power source for your keyless entry system, toys and games. Lasting up to 10 years in storage, these lithium batteries provide reliable power when you need them. Energizer packages its lithium coin batteries in child-resistant packaging, designed to help keep kids safe from ingesting them.

Keep your electronics up and running with these Rayovac 815-16B4TBLFU AA batteries, which include 4 Fusion Advanced batteries. Compatible with a wide range of devices, the 1.5V batteries feature a 2500 mAh capacity for reliable performance.
| Pros for Energizer - Ultimate Lithium 9V Batteries (1 Pack), Lithium 9 Volt Batteries | |||
|---|---|---|---|
| Battery Life, Performance | There were no pros for this product— | There were no pros for this product— | Battery Life, Price, Overall Performance, Compatibility, Power |
| Cons for Energizer - Ultimate Lithium 9V Batteries (1 Pack), Lithium 9 Volt Batteries | |||
| Price | There were no cons for this product— | There were no cons for this product— | Packaging, N/A, Leakage |