1. Introduction
Thank you for choosing the Energizer Recharge ALER28 LED Lantern. This high-performance, rechargeable lantern is designed to provide reliable illumination for various activities, including camping, outdoor adventures, and emergency situations. It features multiple light modes, a dimming function, and the ability to charge other devices via its USB port. Please read this manual carefully to ensure proper use and maintenance of your lantern.
2. Safety Information
- Do not look directly into the LED light when it is on, as it can cause temporary vision impairment.
- Keep out of reach of children.
- Do not disassemble or modify the lantern. This may cause damage and void the warranty.
- Use only the provided charging cable or a compatible USB cable for charging.
- Avoid exposing the lantern to extreme temperatures or direct sunlight for prolonged periods.
- Ensure the USB port cover is securely closed when not in use to maintain water resistance.
3. Package Contents
Please check the package for the following items:
- Energizer Recharge ALER28 LED Lantern
- Integrated Lithium-Ion Battery (pre-installed)
- USB Charging Cable

Figure 3.1: Energizer Recharge LED Lantern with its packaging and charging cable.
4. Setup
4.1 Initial Charging
Before first use, fully charge the lantern's integrated Lithium-Ion battery. Connect the provided USB charging cable to the lantern's charging port and to a standard USB power source (e.g., wall adapter, computer USB port). The charging indicator light will show the charging status. A full charge typically takes several hours.

Figure 4.1: The lantern's USB port can be used for charging the lantern itself or for charging other devices.
4.2 Understanding Components
- Power Button: Controls power and cycles through light modes.
- USB Port: For charging the lantern or external devices.
- Hanging Hook: Located at the base for hands-free operation.
- Removable Cap: Allows for 360-degree light distribution when removed.

Figure 4.2: Base-mounted hook and removable cap for versatile lighting options.
5. Operating Instructions
5.1 Power On/Off and Light Modes
Press the power button to cycle through the available light modes:
- Cool White: Bright, clear light for general illumination.
- Warm White: Softer, ambient light.
- Cool & Warm Combo: Combines both for maximum brightness.
- Emergency Strobe: Flashing light for signaling or emergencies.
To turn off the lantern, press and hold the power button for 2 seconds, or cycle through all modes until the light turns off.

Figure 5.1: The lantern offers four distinct light modes for various needs.
5.2 Dimming Function
While in any continuous light mode (Cool White, Warm White, or Combo), press and hold the power button (after a short press to select the mode) to activate the dimming function. The light will gradually dim or brighten. Release the button when the desired brightness level is reached.
5.3 Using the Hanging Hook
For hands-free illumination, locate the integrated hook at the base of the lantern. This allows you to hang the lantern from tents, branches, or other suitable structures.
5.4 Power Bank Feature
The lantern can also serve as a power bank to charge other USB-powered devices. Connect your device's charging cable to the lantern's USB output port. The lantern will begin charging your device. Note that using this feature will reduce the lantern's light runtime.

Figure 5.2: The lantern provides powerful illumination, suitable for various tasks.
6. Maintenance
6.1 Cleaning
Wipe the lantern with a soft, damp cloth. Do not use abrasive cleaners or solvents, as they may damage the surface. Ensure the USB port cover is closed before cleaning.
6.2 Battery Care
To prolong battery life, recharge the lantern regularly, especially if it has not been used for an extended period. Avoid completely draining the battery before recharging. The integrated Lithium-Ion battery is not user-replaceable.
6.3 Storage
Store the lantern in a cool, dry place away from direct sunlight and extreme temperatures. For long-term storage, ensure the battery is partially charged (around 50%) to maintain its health.

Figure 6.1: The lantern features a durable, water-resistant design for outdoor use.
7. Troubleshooting
- Lantern not turning on: Ensure the battery is charged. Connect to a power source and try again.
- Light is dim: The battery may be low. Recharge the lantern.
- Device not charging from lantern: Ensure the lantern has sufficient charge. Check the connection of the USB cable. Some devices may draw too much power or be incompatible.
- Water ingress: Although the lantern is IPX4 water-resistant, it is not submersible. If water enters the device, turn it off immediately and allow it to dry completely before attempting to use it again.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | ALER28 |
| Light Source | LED (Light Emitting Diode) |
| Brightness | Up to 1150 Lumens |
| Battery Type | Lithium Ion (1 required, included) |
| Battery Life (Warm Mode) | Up to 10 Hours |
| Water Resistance Level | IPX4 (Resistant to splashing water from any direction) |
| Dimensions (L x W x H) | 9.7 cm x 9.7 cm x 22.4 cm |
| Material | Acrylonitrile Butadiene Styrene (ABS) Plastic, Aluminum |
| Voltage | 3.6 Volts |
| Energy Efficiency Class (EU) | A+++ |
9. Warranty and Support
Energizer products are manufactured to high-quality standards. For warranty information, technical support, or to inquire about replacement parts, please visit the official Energizer website or contact their customer service directly. Keep your purchase receipt as proof of purchase for any warranty claims.
Official Energizer Website: www.energizer.com







