Rechargeable emergency light bulbs
Everyday lighting with backup for power outages
JackonLux rechargeable emergency light bulbs work as normal 9W household LED bulbs while keeping a 1200mAh battery ready for a blackout. Install them in a compatible E26/E27 socket, choose 3000K warm white or 5000K daylight, and use three brightness levels when backup or portable light is needed.
Available options: 3000K warm white or 5000K daylight in 4-pack and 8-pack configurations. Select both options before adding to cart.
Install, charge, test, and stay prepared
Install
Screw the bulb into a compatible E26/E27 fixture just like a standard bulb. No permanent rewiring is intended.
Complete the first charge
For first use, operate the bulb in a powered fixture for 10–12 hours for optimal battery performance. The battery then recharges during normal powered use.
Test the exact fixture
Follow the included manual and verify backup operation in the intended lamp or fixture before relying on it during an outage.
Important compatibility note: Emergency-mode behavior depends on the fixture, wall switch, and circuit configuration. The bulb is designed to distinguish a power interruption from normal switch operation in compatible fixtures, but you should always test your exact setup.
Adjust light for visibility or longer backup use
Choose warm white or daylight
Useful light for the places people move through
- Everyday lighting in compatible E26/E27 fixtures
- Power outage and blackout backup lighting
- Hallways, stairs, bedrooms, kitchens, and common areas
- Storm and hurricane preparedness kits
- Portable hanging light for camping or tents
- Closets, garages, basements, and utility spaces
Each bulb measures approximately 2.28 inches in diameter by 4.72 inches high. Check shade, globe, and fixture clearance before ordering, especially for compact lamps.
Product details at a glance
Runtime is an approximate result and varies with brightness, battery charge, ambient conditions, and usage. Fully charge and test the bulbs before an expected outage.
Rechargeable emergency light bulb FAQ
How does the bulb know the power is out?
In a compatible switched fixture, its backup circuitry is designed to respond to a loss of household power while the switch remains in the operating position. Circuit behavior varies, so test the bulb in the exact fixture where it will be used.
How long does the emergency bulb run?
After a full charge, expected emergency runtime is approximately 3–4 hours at high brightness. Using 50% or 10% brightness can extend operating time. Actual results vary with charge level and conditions.
How long should I charge it before first use?
Use the bulb in a powered fixture for 10–12 hours before first relying on its battery backup. Regular powered use helps keep the internal battery charged.
Can I dim it with a wall dimmer?
The product provides three brightness levels through the supplied portable power-cap control. Compatibility with external wall dimmers is not guaranteed; test the intended circuit and do not rely on an unverified dimmer setup.
Will it fit my lamp?
It uses an E26/E27 medium screw base and measures approximately 2.28 inches wide by 4.72 inches high. Confirm both socket type and shade or globe clearance.
Can multiple bulbs be used in one fixture?
The included manual provides synchronization steps for multi-socket fixtures. Follow those instructions and test all bulbs together before an outage.
Does the hook power cap charge the bulb?
No. It powers a charged bulb for portable use. Charge the bulb in a powered lamp or compatible fixture with the cap removed.
Do I need an electrician?
No permanent rewiring is intended. Install it like a standard bulb in a compatible socket and follow the included safety and operating instructions.
Need to confirm compatibility?
Tell us the lamp, fixture, or room you plan to use, and we will help you check the available product information.
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