Lithium serves coffee from Ten Belles, using a La Marzocco machine to craft espresso-based drinks and cold coffee options. The café, which opened in November 2025, offers a selection that includes espresso and Americano for €2.50, and a flat white for €4.50. Patrons can enjoy beverages with plant-based milk alternatives and sweet food, with seating available and takeaway services provided. Situated near the vibrant blend of street art and independent cafés from Belleville to Ménilmontant, this café is a part of the lively 20th arrondissement. Closed on Mondays, it welcomes customers throughout the week.