1. Introduction
This manual provides essential information for the safe and effective use of Energizer ALKALINE 1.5V E90 batteries. Please read these instructions carefully before use and retain them for future reference.
2. Product Overview
The Energizer ALKALINE 1.5V E90 battery is an N-size alkaline battery designed for reliable power in various electronic devices. It provides a nominal voltage of 1.5 volts and is suitable for applications such as cameras, clocks, and other small electronic devices requiring N-size batteries.

Image 2.1: Energizer ALKALINE 1.5V E90 batteries in retail packaging. This package contains two 1.5-volt N-size alkaline batteries.

Image 2.2: A single Energizer ALKALINE 1.5V E90 N-size battery. Note the positive (+) and negative (-) terminals for correct insertion.
3. Setup
3.1 Battery Installation
- Identify the battery compartment on your device.
- Open the battery compartment cover.
- Observe the polarity markings (+ and -) inside the compartment.
- Insert the Energizer ALKALINE 1.5V E90 batteries, ensuring that the positive (+) end of the battery aligns with the positive (+) marking in the compartment, and the negative (-) end aligns with the negative (-) marking.
- Close the battery compartment cover securely.
Always replace all batteries in a device at the same time with new batteries of the same type and brand.
4. Operating
Once installed correctly, the Energizer ALKALINE 1.5V E90 batteries will power your device. The operational life of the batteries will vary depending on the device, its power consumption, and usage patterns. For optimal performance, ensure your device is used within its recommended operating conditions.
5. Maintenance
5.1 Storage
- Store batteries in a cool, dry place at normal room temperature.
- Avoid storing batteries in direct sunlight or in extreme temperatures.
- Keep batteries in their original packaging until ready for use to prevent short-circuiting.
5.2 Cleaning
If battery contacts in your device become dirty, clean them gently with a dry cloth or cotton swab to ensure good electrical connection.
5.3 Disposal
Dispose of used batteries according to local regulations. Do not dispose of batteries in household waste or by incineration. Many communities offer recycling programs for batteries.
6. Troubleshooting
- Device Not Powering On: Check that batteries are inserted with correct polarity (+ and -). Ensure the batteries are new and fully charged. Clean battery contacts if necessary.
- Short Battery Life: This can be normal for high-drain devices. Ensure the device is turned off when not in use. Consider replacing all batteries simultaneously.
7. Safety Information
WARNING:
- (1) Keep away from children. If swallowed, promptly see a doctor; have a doctor phone (800)-498-8666.
- (2) Do not install backwards, charge, put in fire or mix with used or other battery types - may explode or leak causing injury. Replace all batteries at the same time.
Additional safety precautions:
- Do not expose batteries to water or extreme heat.
- Do not attempt to disassemble, crush, or puncture batteries.
- If a battery leaks, avoid contact with the fluid. If contact occurs, wash affected area thoroughly with water.

Image 7.1: Back of Energizer ALKALINE 1.5V E90 battery packaging, showing important safety warnings and product details.
8. Specifications
- Model Number: E90BP-2
- Battery Type: N-size
- Battery Cell Composition: Alkaline
- Nominal Voltage: 1.5V
- Product Dimensions: Approximately 4 x 6 x 9 inches (packaging)
- Item Weight: 0.352 ounces (per battery, approximate)
- Manufacturer: Energizer Batteries
- Date First Available: March 22, 2016
- Recommended Uses: Camera, Clocks, Small Electronics
9. Warranty and Support
For warranty information or technical support regarding your Energizer ALKALINE 1.5V E90 batteries, please contact Energizer customer service directly. Refer to the Energizer official website or product packaging for the most current contact details.
