: Offers a wide selection of replacement batteries for various brands like Samsung, iPhone, and LG. Prices typically range from around $7 to $25 .

: Ideal for those who want to perform the repair themselves. They provide genuine parts and include necessary tools like adhesives and tweezers in some kits. Google Pixel 7 Battery Go to product viewer dialog for this item. : Available at iFixit for approximately $43 .

To ensure you buy the correct part, you must identify your device's exact model or part number:

: Go to Settings > General > About and tap the "Model" entry to see the specific part number.

: If the battery is removable, look for a part number (e.g., "EB-BG970ABU") printed directly on its label. Professional vs. DIY Replacement

: A primary source for replacement batteries across all major brands. You can find options ranging from $15 to over $25 .

: A specialized retailer that not only sells batteries but also offers same-day, in-store professional replacement for embedded batteries (like those in iPhones). You can find local branches using their Store Locator