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The Ultralife U9VL 9 Volt Lithium Battery delivers a robust 1200mAh capacity with a lifespan up to 10 years, outperforming standard alkaline batteries by 5 times. Designed for critical devices like smoke detectors, medical equipment, and security systems, it operates reliably across a wide temperature range (-20°C to +60°C). This single-use lithium battery ensures long-term, maintenance-free power, eliminating frequent replacements and low-battery alerts.
| ASIN | B000NTMG3W |
| Antenna Location | Alarm,Medical Devices |
| Battery Capacity | 9 Volts |
| Battery Cell Type | Lithium Metal |
| Battery capacity | 9 Volts |
| Battery cell composition | Lithium Metal |
| Best Sellers Rank | 10,608 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 885 in Disposable Household Batteries |
| Box Contents | batteries |
| Brand | Ultralife |
| Brand Name | Ultralife |
| Compatible Phone Models | U9V J, U9VL |
| Customer Reviews | 4.3 out of 5 stars 62 Reviews |
| Item Dimensions | 18 x 27 x 49 millimetres |
| Item Weight | 36.4 Grams |
| Manufacturer | Ultralife |
| Model Name | ULTRAlife |
| Model Number | Ultralife Lithium U9VL |
| Number of Batteries | 1 9V batteries required. |
| Number of batteries | 1 9V batteries required. |
| Recommended uses for product | Alarm,Medical Devices |
| Reusability | Single Use |
| Unit Count | 1.0 count |
| Unit count | 1.0 count |
| Voltage | 9 Volts |
C**R
The Fire Alarm Battery
If like me you were fed up of the frequent ‘bleep’ from your fire alarm, then this is more than likely the battery you are going to need. Upon looking inside, this was the type required and whilst it can seem expensive for one battery, it boasts a good battery life and you won’t need to buy another for years to come.
A**N
Good
Good
T**B
Battery
Appears to be good battery . Bought for voltmeter tool . Works fine . Will buy again likely enough.
S**L
Brilliant battery
This is the perfect battery for ionised smoke alarms. It is better performing than 'ordinary' batteries. Recommended to help the alarm not to go off randomly, providing you keep your alarm clean and test it weekly.
Z**D
No expiry date!
They came in small bubble bags, no other packaging. There is no date on the batteries so it is not possible to determine when they were manufactured and when they will expire.
T**T
Trusted Longevity.
I would have liked the batteries to have been sent in retail packaging as I find I trust them a bit more but the Chinese knock off such convincing packaging now that I don't suppose it makes much difference. I haven't really checked how long they actually last for but even if it is only for half of the 10 years touted, I am still pleased with the longevity.
S**3
Great Longevity
Just taken one out of an alarm after 7 years
J**S
Recommended
Delivered promptly, it was as as described, and at good price.
M**1
Sind wie andere Batterien nur günstiger.
Batterien
A**L
Buena com compra
Perfecto!
F**8
Produit conforme à mes attentes
Produit conforme à mes attentes
J**N
ok
ok
R**Ü
Von wegen bis zu 10 Jahre, nach nicht einam 4 1/2 Jahren werden die ersten leer.
"Mit bis 10 Jahren Lebenserwartung in Ionisationsrauchmeldern ist die Ultralife 9 Volt Batterie die erste Wahl für Rauchmelder" So die Beschreibung. Nach nicht einmal 4 1/2 Jahren werden die ersten beiden Batterien von vier in den Rauchmeldern leer. Verwendet in Rauchmeldern an Zimmerdecken in Innenräumen der Wohnung.
Trustpilot
2 days ago
5 days ago