Convert AA to C quickly and reliably efficiency adapter that lets standard AA batteries be used in devices that require Csize cells. Useful when C batteries are unavailable or during emergencies. Clear, transparent construction Seethrough plastic casing shows battery orientation and lets you check placement at a glance, reducing installation errors. Secure fit and consistent contact Precisionmolded housing and metal contact terminals hold AA cells firmly in place to prevent movement and ensure steady electrical contact for dependable device performance. Compatibility and function Designed to accept standard AA batteries and fit into any device that takes Csize batteries, expanding your battery options without modifying the device. Practical attributes Material: clear plastic casing with durable metal contacts. Form factor: matches Csize dimensions for straightforward insertion. Performance: stable mechanical fit and reliable electrical connection for routine use and emergency backup. Typical use scenarios Camping or power outage: convert spare AA batteries to run Cpowered flashlights or lanterns. Trailer and outdoor lighting: keep lights operating when C batteries are not on hand. Home and automotive tools: power remotes, toys, or diagnostic tools that require C cells using readily available AA batteries. Easy to use, visible for quick checks, and engineered for a snug fit to maintain consistent power delivery when you need an alternative to C batteries.