How to change batteries

Lithium L91 1.5V, size AA x 2

2 Lithium batteries L91 1.5V, size AA

1 x 3V CR123A lithium battery.

1 x 3V CR123A lithium battery.

2 x 1.5V Lithium L91 batteries, size AA.

Battery life: up to 10 years (internal battery).

2 x 1.5V Lithium L91 batteries, size AA.

Connected to mains power supply. Internal battery up to 24 h of autonomy. Type 6000mAh of 3.7V.

1 x 3.6V Lithium battery type ER34615M D.

1 Lithium battery C2032 3V.