An electromagnetic induction device of coil type for charging and supplying power, the device comprises a split type electrical body (1) and a charging body (2); wherein the electrical body (1) comprises a first casing (11), a first charging circuit board (12) fixed inside the first casing (11), a chargeable battery (13), a load (14) and a first coil (15) connected with the first charging circuit board (12); the charging body (2) comprises a second casing (21), a second charging circuit board (22) fixed inside the second casing (21), a second coil (23) connected with the first charging circuit board (22), a charging plug (24) installed in the second casing (21); the said second casing (21) with a annular sleeve-joint portion (211) sleeved outside of the first casing (11), and the second coil (23) is arranged in the annular sleeve-joint portion (211), and when the electrical body (1) is connected with the charging body (2) in sleeve mode, the first coil (15) is arranged right inside the second coil (23). The device can supply power to a battery of an electrical apparatus by means of non-contact manner.