trickle charger

device for the slow continuous charging of an accumulator 涓流充电器（使蓄电池缓慢而连续充电的装置）.

triad, trial, trial run, triangle, triangular, tribal, tribalism, tribe, tribesman, tribulation, tribunal, tributary, tribute, trice, triceps, trick, trickery, trickily, trickiness, trickle, trickster, tricky, tricolour (US tricolor), tricycle, trident, tried, triennial, triennially, trier, trifle, trifler, trifling, trigger, trigger-happy, triglyceride, trigonometric, trigonometrical, trigonometrically, trigonometry, trike, trilateral,