The invention relates to an electricity supply device used in the precise measurer, the sensor, and detector without alternating current and with high energy consumption, belonging to the electricity technique. The invention provides a high energy battery connection device, which comprises a battery sheath, a connection plate, a compressing bar, a compressing disc, a lead, a connection row, sealing stuffing, and compression bolts. Wherein, the battery sheath contains the battery; the outer side of compressing disc has connection row via the compression bolts mounted on the two ends of battery sheath; the connection plate, compressing bar and the sealing stuffing are mounted between the battery sheath and the connection row; and the connection plate is connected to the electrode of battery via the lead to connect the connection row. The invention has simple connection, easy operation and reliable contact, while it can confirm the reliable operation of measurer and underwater sensor and detector. |