Empire's LOGITECH G7 LI-Ion 600mAh replaces the LOG G7 battery.
This part will also fit in the following models:
Logitech 190301-0000, Logitech 190310, Logitech 190310-0000, Logitech 190310-1001, Logitech 831409, Logitech 831410, Logitech G7, Logitech L-LL11, Logitech NTA2319, Logitech WIRELESS DJ SYSTEM