Description
Big Foot Heat CR123A
Big Foot Heat CR123A
The Big Foot Heat CR123A is a compact, high-output 3V lithium battery designed for devices that need dependable power in a small form factor. In an airsoft loadout, CR123A cells are most commonly used in weapon lights, laser/illuminator units, optics, and other rail-mounted accessories—so having a quality CR123A option on hand is a smart move whether you’re building a low-light CQB setup or just want reliable spares in your kit.
Where CR123A batteries really shine is consistency. Accessories like torches and laser units can become frustrating fast when power drops off mid-game—dim beams, sluggish performance, or intermittent output. A good CR123A helps keep your kit doing what it’s meant to do: giving you clear illumination when you need it and stable power delivery across a full skirmish day. They’re also ideal for players who want to keep their kit lightweight, since CR123A batteries pack solid performance into a small, easy-to-carry size.
Why players keep CR123A spares
- Common battery type for tactical accessories (lights/lasers/optics depending on model)
- Compact and lightweight, easy to stash in admin pouches or kit bags
- Stable 3V output for consistent accessory performance
- Great as a checkout add-on when buying powered attachments
Ideal for
- CQB players running a weapon light for fast room checks
- Woodland skirmishers who play into dusk or in heavy shade
- Anyone using PEQ-style units, compact torches, or powered optics that specify CR123A
Compatibility / buying notes
- Always confirm your device requires a CR123A 3V battery (some accessories use AA/AAA, rechargeable packs, or different lithium formats)
- If you’re powering a high-drain device (like a bright torch), keeping a spare CR123A in your kit can save a game day












