Photo of a disassembled leaking 9V-block, top the housing, bottom the cells.
<p>The leaking cell is clearly visible. The middle cell is also slightly leaking on the right.
</p><p>The block is composed of 6 spot-welded AAAA batteries:
Voltage of the defective cells 0.0 Volt, the others have approx. 1.2 V.
Diameter ⌀ 7.9 mm
</p>
Length 39.5 mm (measured without the elevation at the positive pole)
<a href="//commons.wikimedia.org/wiki/User:Alex42" title="User:Alex42">Alex42</a>
2018-10-13 14:09:08
<span class="int-own-work" lang="en">Own work</span>