To alter or readjust; tinker with: sought to raise output this year by rejiggering its agricultural policies. [first form 1940s+, second 1960+; fr mid-1800s jigger, ''shake or jerk rapidly,'' related to jig as a rapid movement, dance, etc, hence ''rearrange or readjust by shaking,'' semantically similar to shake up]
AGM Batteries. Absorbent glass mat (AGM) is a class of lead-acid deep cycle battery in which the electrolyte is absorbed into a fiberglass mat. The plates in an AGM battery may be flat like wet cell lead-acid battery, or they may be wound in a tight spiral.
Anyone that uses the AGM batteries.(The following is true ask the manufacturer..they will tell ya. If the voltage falls below 9.8 volts with an AGM battery the battery charger WILL NOT charge them...it will read as a dead cell or short in the battery. Which is not true. They are NOT dead.