3000mAh for 3M 10.8V 18650 Li-ion lithium tool battery pack Adflo 837630 for self-installation - AliExpress
Amazon.com: 837630 Battery, Lithium Ion Rechargeable, for 3M Adflo Parts Powered Air Purifying Respirators for Welding,35-1099-07, 1 Each : Tools & Home Improvement