With all the chargers and plugs you have in your service van, one is bound to get left behind, borrowed indefinitely by a co-worker or lost. Whether you need a replacement or an extra charger for your Fieldpiece refrigerant leak detector, the Fieldpiece RCA2 Car Charger will keep you in business when you're on the road. The Fieldpiece RCA2 provides power to the SRL2K7 and SRL8 while charging.