How to Replace Battery in Apple Keyboard - YouTube
Amazon.com: SUNMALL Replacement Silver Battery Screw Cap Cover Lid Plug for Apple G6 Wireless Bluetooth Keyboard A1314 A1339 Magic Trackpad : Electronics
How to Replace Apple Wireless Keyboard Batteries - Apple Tutorials - Step by Step Guide - YouTube
Amazon.com: Arteck Bluetooth Keyboard for Mac iPad Multi-Device Stainless Steel Full Size Wireless Keyboard Compatible with iPad, iMac, Mac Mini, MacBook, iPhone, Mac OS, iOS, Built-in Rechargeable Battery : Electronics
Change Batteries in Apple Wireless Keyboard or Mouse
Replace Apple Wireless Keyboard (A1314) logic board assembly and stuck batteries - iFixit Repair Guide
Change Apple Wireless Keyboard batteries - Apple Support