Rechargeable LED bulbs have an internal battery inside them that consumes energy within the battery and provides light when there is a power shortage. These bulbs fit into b22 sockets and it starts charging when it’s switched on. The charging time for the bulb is 8-10hr. If you don’t have an inverter facility at your premises, then Rechargeable LED bulbs are the best option for you. The bulbs work normally just like other bulbs.
