battery design

PROBLEM: 24 SMD COB LED has too much illumination drop off over 3 hours. Currently powered by four 3V button batteries. PREFERRED SOLUTION: Get this battery powered LED to perform more consistently over a few hours. THE STORY: I’m working on a little project at home for a custom...

can someone help me read battery datasheet I really need it so bad, please.

Hi, I'm working on a battery to power my continuous 6kw DC motor. The max amp for the motor is 200 and it's max voltage is 60. I want to use 14 3.7v 15ah cells to build a battery, but I'm confused about wiring in series or parallel! I'm unsure how to wire it because either way makes my...