Tired of low-quality Chinese elements that wear out quickly everyone has this problem with factory-installed elements often not meeting expectations there is a solution we prepare high-quality lithium elements with individual orders and a 1-year warranty prices start from 30-50₾ depending on the project complexity used in 2023 Tesla Model S elements capacity 3400–4800 mAh nominal voltage 3.7V internal resistance 15–23 mΩ dimensions 18650 / 20700