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Energizer's 5-Year Storage: Reliability for Emergency Gear
The advertised 5-year storage life for Energizer Alkaline Power 9V batteries is a key benefit for emergency preparedness. This longevity is achieved through careful manufacturing and reduced self-discharge rates characteristic of modern alkaline technology, making them dependable for smoke detectors and emergency radios.
Alkaline vs. Lithium 9V: Cost vs. Performance Trade-offs
Energizer's alkaline offers a cost-effective solution for low-drain devices like clocks or remote controls. However, for demanding applications requiring higher sustained power or extreme temperature tolerance, 9V lithium primary cells often provide 2-3 times the energy density and a more stable voltage output.
Energizer's Use of Recycled Materials in 9V Batteries
Energizer incorporates up to 4% recycled materials in these 9V batteries, contributing to sustainability efforts. While this percentage is modest, it signifies a step towards reducing the environmental impact of disposable battery production, aligning with broader consumer preferences for eco-conscious products.
Weight Profile of Energizer Alkaline 9V Batteries
Each Energizer Alkaline Power 9V battery weighs approximately 45 grams. This standard weight for alkaline 9V cells makes them portable for various devices without adding significant bulk, suitable for handheld meters, portable radios, and personal electronics.
Expert answers based on real user experience
Energizer Alkaline Power 9V batteries are designed for long-term reliability, boasting up to 5 years of storage life. Modern alkaline chemistry, when manufactured to high standards, exhibits a self-discharge rate typically below 2% per year. This means that after 5 years, you can expect the battery to retain approximately 90-95% of its original charge capacity, ensuring they are ready for use in critical devices like smoke detectors or emergency radios when needed.
In a typical smoke detector operating with a low standby current draw of approximately 20-50 microamperes (µA), an Energizer Alkaline Power 9V battery, with a nominal capacity around 500-600 milliampere-hours (mAh), can last for an extended period. This translates to potentially 10,000 to 12,000 hours of continuous standby operation, or roughly 1.5 to 2 years of service before requiring replacement, depending on the specific device's power consumption profile.
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Power the devices that keep your household running with Energizer Alkaline Power 9 Volt Batteries. From toys to thermometers, these Energizer 9V batteries provide the performance you rely on from working from home to playtime with the family. Long-lasting Energizer batteries also keep the tools and devices you need going, like smoke detectors and smart home devices. This Energizer battery pack lasts up to 5 years in storage, helping you stay prepared. So whether you need a 9 volt battery to run a radio or turn on a toy, you have power when you need it most. Alkaline Power is available in AA batteries, AAA batteries, C batteries, D batteries and 9V batteries. Trust in Energizer for reliable power and performance in any situation.
| UPC | 039800141392 |
| ASIN | B09RTTQZJG |
| GTIN | 039800141392 |
| Brand | Energizer |
| Voltage | 9 Volts |
| Model Name | ENR AP522DP-8.02 ALK PWR 9V-8 E-COMM |
| Unit Count | 8.0 Count |
| Item Weight | 45 Grams |
| Reusability | Single Use |
| Manufacturer | Energizer |
| Model Number | ZX-55 |
| Battery Weight | 45 Grams |
| Built-In Media | Battery Pack |
| Item Type Name | 9v-batteries |
| Item Dimensions | 1.36 x 4.15 x 1.99 inches |
| Antenna Location | Household Use |
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Energizer Alkaline Power 9V batteries operate within a nominal voltage range, typically starting around 9V and gradually decreasing as they discharge. Under a moderate load, such as powering a handheld digital multimeter drawing 5-10 milliamperes (mA), the terminal voltage may sag slightly, perhaps to around 7.5-8V before the device indicates a low battery. For applications demanding strict voltage stability, especially under higher or fluctuating loads, other battery chemistries might be considered.
Alkaline batteries, including Energizer's Alkaline Power 9V, experience a noticeable reduction in performance at low temperatures due to increased internal resistance and slower electrochemical reaction rates. At -10°C, the effective capacity can decrease by 20% to 50% compared to room temperature (20°C). This means a battery rated for 500 mAh might deliver only 250-400 mAh under such freezing conditions, potentially impacting runtime for devices used outdoors in winter.
Compared to 9V lithium primary cells, Energizer Alkaline Power 9V batteries offer a more economical solution for low-drain applications. Lithium primary cells typically boast energy densities 2 to 3 times higher and a flatter discharge curve, maintaining a more consistent voltage under load. They also perform better across a wider temperature range, from -40°C to 60°C, whereas alkaline performance significantly drops below 0°C. For high-drain devices or critical applications requiring maximum runtime and stability, lithium is often preferred despite its higher initial cost.
| Battery Capacity |
| 9 |
| Customer Reviews | 4.8 4.8 out of 5 stars (91,748) 4.8 out of 5 stars |
| Battery Cell Type | Alkaline |
| Best Sellers Rank | #24 in Health & Household (See Top 100 in Health & Household) #3 in 9V Batteries |
| Number of Batteries | 8 AAA batteries required. (included) |
| Compatible Phone Models | Clock |
| Battery Cell Composition | Alkaline |
| Recommended Uses For Product | Household Use |
| Global Trade Identification Number | 00039800141392 |