Battery life extension fixture

The utility model discloses a battery life extension fixture, including charging the body, connect wires outward, anodal busbar, the negative pole busbar and be located anodal busbar and the negative pole busbar between charging device, this charging device has a plurality of and is setting side by side and all sinks and establish at the square groove that sinks of body upper surface that charges, each square groove that sinks is close to anodal busbar one side and is formed with anodal electrically conductive sand grip, it is formed with the electrically conductive sand grip of negative pole to be close to negative pole busbar one side, both sides then are formed with embedding recessed groove in the middle part position in addition, be provided with the rubber edge strip in this embedding recessed groove, each sinks, and square groove is still supporting to have a detection mechanism and a LED indicating mechanism, and this detection mechanism detects the electric quantity of ECG monitor battery in the corr