Replace the Battery in a JBL Portable Speaker: A DIY Step-by-Step Guide

You cannot replace the battery in a JBL portable speaker. The rechargeable batteries are not user-serviceable. Trying to open the speaker will void your warranty. JBL designs its speakers for long service life, providing hours of music playback without the need for a battery replacement. Once open, carefully disconnect the old battery from the circuit … Read more

Replace the Battery in a Fitbit Charge 2: Essential Guide and Repair Tutorial

You cannot replace the battery in a Fitbit 2. If your tracker is under warranty, Fitbit may replace the entire device. Contact Fitbit customer service to confirm your warranty details and check their manufacturer policy for accurate information. Be aware of the device limitations regarding battery life. First, gather the necessary tools: a small screwdriver, … Read more