The invention discloses a method for charging an R410A heat pump type air conditioning heating power expansion valve thermometer bulb. An air cross-mixing charging mode is adopted in the invention; the cross means that a refrigerant which is different from the working substance of a refrigeration...
: When a NiMH/NiCd battery is overdischarged to 0V, the activation function can be selected to repair the battery. The activation function works by cycling the battery through a charge-discharge-charge cycle, usually using a very low rate to charge the battery to full capacity. Upgradeable ...