C or D cell to AA Battery Adapter Charge Test C&D Cells in Opus BT-C2000 or BM200 Chargers
Now you can charge and test C and D cells with your Opus BT-C2000 Charger or BM200 Charger.Now a plug and play solution. Get a pair of these adapters, put them in slots one and four, put in your batteries and start testing.These adapters fit most AA size battery chargers. However only the Opus BT-C2000 or some BM200 chargers which have firmware that allows testing of high capacity C and D NiMH cells.The adapter fits other chargers with a test function such as the La Crosse BC-700, BC-900, BC-9009, BC-1000, Technoline BC-700 and AccuPower IQ328 however these chargers have firmware limitations that do not allow the testing of high capacity cells.  The adapters also fit the MH-C9000 charger and the firmware allows cells up to 19,990 mAh. However measurements are unreliable in the discharge mode. Therefore capacity testing is unreliable in some C9000 chargers. The adapters are not guaranteed to work in the C9000 charger.  Dimensions:Length; 75mmWidth; 45mmEach Adapter will hold one C size or one D size cell.Adapt to standard AA size cell for testing and charging.Included one C or D adapter in retail box.