Description
Discover the convenience of dual functionality with the Efest LUSH BOX Charger and Portable Power Bank. Designed for tech enthusiasts on the go, this innovative device serves as both a 2-bay battery charger and a portable power bank, perfect for charging your smartphone, tablet, or other USB-powered devices. Compact, lightweight, and user-friendly, the LUSH BOX is an essential companion for keeping your devices powered up wherever you are. With its sleek design, LED battery life indicator, and reliable safety features, the LUSH BOX ensures a seamless charging experience for your 18650 lithium-ion batteries and beyond.
Key Features:
- Dual Purpose: Functions as both a battery charger and a power bank, allowing you to charge your USB devices while replenishing your 18650 batteries.
- 2-Bay Charger: Simultaneously charges two 18650 batteries efficiently, ensuring quick and reliable performance.
- LED Battery Indicator: Keep track of battery life and charging status with an intuitive LED display, eliminating guesswork and preventing overcharging.
- Portable Design: Lightweight and compact, the LUSH BOX is perfect for travel, offering convenient power solutions without the bulk.
- Built-In Safety Features: Includes auto recharge voltage and battery output cut-off to prevent overcharging and ensure safety, backed by a 3-year Efest warranty.
Battery Compatibility:
- 3.6V/3.7V Lithium-Ion IMR Batteries: Compatible with flat-top, unprotected 18650 batteries only.
Technical Specifications:
- Micro USB Input: DC 5V 2.1A
- USB Output: DC 5V 2.1A
- Battery Output Cutoff Voltage: 3.0V ± 0.2V
- Auto Recharge Voltage: 4.10V ± 0.05V
- Size/Type Compatibility:
- SIZE/TYPE COMPATIBILITY - ✔ 18650 ✖ 20700 ✖ 21700
What’s in the Box:
- Efest LUSH BOX Charger
- Standard USB cord
- User manual and warranty card
- Scratch-off validation serial number
Note: To ensure proper use, please read the manual and familiarize yourself with setting the correct termination voltage for your batteries before operating the charger.






⚠ Important Safety Warnings
Improper use of a battery charger can result in overcharging, short circuits, or damage to the battery, causing FIRE, EXPLOSION, or ELECTRICAL SHOCK. Users must follow all safety guidelines to ensure proper operation. Click here to review the full safety guidelines.
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Device Compatibility:
- Use the charger only for compatible battery types and sizes as specified by the charger manufacturer. Ensure the charger is appropriate for the battery chemistry, size, and protection status (e.g., unprotected or protected cells).
- Do not charge non-rechargeable batteries (e.g., alkaline or primary cells).
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Proper Use:
- Only charge batteries in a fireproof or non-flammable area. Avoid charging on beds, couches, or other flammable surfaces.
- Do not force a battery into the charger slot if it does not fit properly. This can damage the charger or battery and may result in unsafe charging conditions.
- Inspect batteries before charging: Do not charge if the battery casing, wrapper, or terminals are damaged, dented, leaking, or bulging.
- Never leave batteries unattended while charging. Monitor the charging process, and unplug the charger when charging is complete.
- Avoid exposing the charger to liquids, high heat, or direct sunlight.
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Inspection:
- Do not use the charger if the power cord, plug, or device is damaged.
- Inspect both the charger and the battery for any signs of damage before use.
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Storage & Handling:
- Keep the charger away from children and pets.
- When not in use, unplug the charger and store it in a cool, dry place.
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Prohibited Activities:
- Do not modify or disassemble the charger.
- Do not attempt to repair a damaged charger—replace it with a new one.
- Avoid using extension cords or adapters that exceed the manufacturer’s recommendations.
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Emergency Response:
- If the charger or battery emits smoke, sparks, or a burning smell, disconnect the power immediately and move the battery and charger to a safe area.
- In case of fire, use a Class D fire extinguisher or sand to extinguish the flames.
Disclaimer
IMR Batteries is not responsible for any damages, injuries, or claims arising from improper use, handling, or failure to follow these safety guidelines. Battery chargers must only be used with compatible battery types and operated in accordance with manufacturer instructions. It is the reseller's responsibility to ensure all safety warnings and product guidelines are effectively communicated to their customers. Users and resellers assume full responsibility for the safe handling, usage, and distribution of this product.