3.7V, 5200mAh, Li-ion Battery fits Honeywell, Ck3, Ck3b, 19.24WhBattery Fits Models: Ck3, Ck3b, Ck3x, Ck3xr, Ck65, Ck71, Ck75 Battery Part Numbers: 318 034 001, 318 034 003, 318 034 013, 318 034 023, 318 034 033, 318 034 034, 318 046 001, 318 046 031, 318 063 002 If you are worried about the quality or the performance of the products from Cameronsino, take a look at the reviews from our customers. Sound quality is assured as the products are manufactured to a very high standard The battery shown will replace your