This 24V frame battery (banana battery), NIMH, is among others present in the following e-bikes:

Batavus Legato easy
Batavus Padova easy
Sparta Ion GL model 2008 - 2012
Sparta Ion L model 2009 - 2011
Sparta Ion M-Gear model 2005 - 2008
Sparta Ion MGT+ model 2008
Sparta Ion NXT, Ion XGT
Sparta Amphion SDS model 2008 - 2009
Sparta Ion Basic model 2008
Sparta Ion City model 2005 - 2008
Sparta Ion Classic 2008 - 2010
Sparta Ion Comfort model 2005 - 2008
Sparta Ion Extension model 2007
Sparta Ion Blackline

Bicycles with the small display can be tested. Testing is not possible with all bikes with a large display.

Instruction:
1. Connect the cable between the battery-controller cable (at the rear wheel) and to the battery tester.
2. Switch on the bicycle (on the display).
3. Start the battery tester and follow the instructions.
4. Activate the bicycle system every 7 minutes by e.g. pressing a button on the display.
Note: if the system has switched itself off, switch it on again and turn the select knob and choose the option "continue test".
Note: The battery indication may be incorrectly shown on the display after testing. Reset the system by interrupting the fuse at the bottom of the battery 1min.