Figure 1 Predatory and HI (host-or prey-independent) life cycles of Bdellovibrio bacteriovorus. The small, motile, monoflagellate, attack-phase bdellovibrios do not divide, except by replication within the periplasm of a gram-negative prey bacterium.
F. Remove the old battery(ies) and replace with the new battery(ies). If your solar spot light has more than 1 or 2 LED lights it will more than likely have more then 1 or 2 batteries in it. Inside the battery holder it will show you how to place the battery.
Light-emitting diodes are now used in applications as diverse as aviation lighting, automotive headlamps, advertising, general lighting, traffic signals, camera flashes, and lighted wallpaper. As of 2017, LED lights home room lighting are as cheap or cheaper than compact fluorescent lamp sources of comparable output.