Replaced my MX1000 Laser (RF) after 16 years of use for a G502 wireless lightspeed. I'm happy, but I want to cry in pain. I've grown very attached to this old but
Amazon.com: HXJNLDC DC 3.7v 2100mAh Rechargeable Lithium Battery Replacement for Logitech MX1000 MX-1000 M-RAG97 Wireless Bluetooth Mouse 190247-1000, 190247-B000, L-LB2, NTA2253 : Electronics