Rechargeable Light Bulbs
What is a battery-operated lightbulb?
An integral-base battery backup LED lamp with a rechargeable lightbulb that integrates normal and emergency mode functionality into a single assembly to offer both normal and emergency lighting is known as a rechargeable lightbulb. The self-contained lamp can be taken around and used as a portable torch or lantern by unscrewing it from the socket. The LED bulb enters emergency mode in the event of a power interruption and powers the LED load for at least 90 minutes. When used at a lower power level, certain items can provide an emergency duration of up to 6 hours.
Residential backup lighting, which lessens the possibility of panic, makes egress easier, and safeguards life safety, would benefit greatly from the installation of rechargeable light bulbs. With their plug-and-play ease, table lamps, floor lamps, wall sconces, ceiling lights, or other lamp-based fixtures, may be easily converted into trustworthy emergency lighting systems.
rechargeable light bulb types
The majority of rechargeable light bulbs come in bigger sizes (A19, A21) or as A-shape ("Arbitrary") general duty bulbs. Other shapes and sizes of bulbs, such as BR (bulged reflector, BR30, BR40), PAR (parabolic aluminized reflector, BR30, BR40), and others, may also be used. These integrated LED lamps are made up of an LED module, a battery that can be recharged, a heat sink, driver and control circuitry, a medium screw base or bayonet base, and other mechanical and optical parts. The LED module is an SMD LED assembly that includes extra thermal, mechanical, and electrical interfaces along with a variety of discrete LED packages populated on a metal-core PCB. The plastic leaded chip carrier (PLCC) kind of electronic packages gave rise to the SMD LEDs, which are typically mid-power polymer-based packages. These semiconductor emitters give the highest photon extraction efficiency and consequently the maximum luminous efficacy among all package platforms by enclosing the LED dies in a reflecting cavity. High efficiency lighting sources maximise run duration on a single charge and reduce battery consumption. The vital LED and battery temperatures can be kept constant at all times within the predetermined ranges thanks to the heat sink's ability to efficiently disperse heat produced by the LEDs.
Circuitry for drivers and controls
An AC-DC LED driver powers the LEDs when there is regular AC power present. A typical AC-DC LED driver uses switching power conversion to convert the incoming AC line power into the controlled DC output current. This type of power supply is known as a switch mode power supply (SMPS). The constant current LED driver must not only function dependably and effectively, but it must also provide the least amount of output current ripple possible to prevent the LEDs from flickering. The switching circuitry will sense a loss of normal AC power and automatically switch to emergency mode. However, in other devices, the switch must be turned manually. The rechargeable battery's energy is transformed into the DC voltage and current required to power the LED load in emergency mode. The switching circuitry will reconnect the LED load to the mains-powered LED driver upon the restoration of AC power, and the battery will then automatically go back into the charging mode. Light bulbs that are rechargeable can be fueled by the sun or by a USB connection from a computer.
Portable battery
A rechargeable light bulb's proper operation is largely dependent on the performance of the batteries used in addition to the driver and control circuits. The preferred option for electrochemical energy storage in light bulbs is lithium-ion technology. Of all battery chemistries, lithium-ion batteries offer the highest energy density. With this benefit, the LED bulb may operate for a longer period of time and require less space for the battery. In deep discharge applications, this kind of battery offers a much longer cycle life than NiMH and other rechargeable battery types. High charging effectiveness and a low rate of self-discharge are further characteristics of lithium-ion batteries. Safety, however, is a drawback. To keep the electrochemical cells within a safe operating range during charge and discharge, a battery management system (BMS) is required.
Feature
● Load shedding kit
● Last up to 4 hours
● Available in E27/B22
● Light power drops to 3.5W when the main power is lost
● Battery capacity 3.7V 1200mAh
Specification
| Effective Lumen | 550LM ±10% |
| Colour Temperature | Daylight 6500K |
| Beam Angle | 280° |
| Fittings | E27 / B22 |
| Dimension | 60mm (D) * 120mm (H) |
