I am VERY NEW to leds/electronics so be nice… I want to create uplighting on the backside of a tree with a 12V lithium-ion battery. After reading some of the tutorials I am starting to think that I’ll need more power to have any lighting impact in the tree branches. The tree is not near 120V power. I don’t want to run extension cords that far. And, the lithium-ion battery is rechargeable and compact. Turning the light(s) on and off via a switch is no problem and white is good for this “first” try.
It should be obvious that I am open for any and all suggestions.
Do you have any images to illustrate what you’re trying to achieve?
To clarify, are you wanting to power 120V lights with a 12V Li-ion battery? It’s possible but you’ll need a DC-AC converter that can accomplish this. You’ll also need to check the Amps used by the lights and the rated Amp-hour (Ah or mAh) for the Li-ion battery. When you know your operating conditions then you can choose a converter.
When weight and/or a compact size aren’t important, consider using a sealed lead acid battery (SLA). For this kind of application, you’ll want to use a deep cycle SLA.