Battery connection module

A battery connection module is used to connect a plurality of batteries, includes a plurality of busbars, a connector, a single layer wiring flexible circuit board and a strengthening back board. The plurality of busbars are used to connect the plurality of batteries, the connector includes a plurality of conductive terminals, the single layer wiring flexible circuit board includes a plurality of terminal connecting points which are used to connect the plurality of conductive terminals and multiple traces which are connected with respective terminal connecting points, the strengthening back board corresponds to the connector in position and is provided on the single layer wiring flexible circuit board; the strengthening back board is provided with an adapting trace thereon; the multiple traces include at least one first trace; the first trace is adapted to the adapting trace on the strengthening back board, and then is adapted back to one of the plurality of terminal connecting points of the single layer wiring flexible circuit board via the adapting trace.