Tinker Vault blog

Short answer: No, the fast charging doesn't harm it, and let's figure out why. ​ To answer this question, there are 3 factors to consider: ⚠️ First factor: Battery chemistry and its limitations. Smartphones most commonly use Li-Ion and Li-Pol batteries, which are very similar in terms of their design and chemical processes, although Li-Pol batteries may have slightly higher voltages (up to 4.35V). These two types of batteries are often referred to by the generic term, lithium