AA Batteries

AA batteries power the tools and gear you reach for every day, from jobsite flashlights and laser levels to digital calipers, stud finders, and wireless sensors. Choosing the best AA battery type improves runtime, reliability, and total cost of ownership.

Alkaline AA batteries are affordable and widely available. They offer good capacity for low- to moderate-drain devices and feature long shelf life, making them a smart pick for emergency kits and bulk storage. Lithium AA batteries deliver superior performance in high-drain tools, have excellent cold-weather operation, and are lighter in weight—ideal for outdoor work and critical instruments. Rechargeable AA (NiMH) batteries reduce waste and long-term costs. Low self-discharge NiMH cells hold charge longer between uses and are well suited for test equipment and daily-use devices. Look for mAh ratings that match your runtime needs.

Key buying factors:
- Chemistry: alkaline (LR6), lithium (FR6), or NiMH rechargeable (HR6).
- Capacity and runtime: higher mAh (for NiMH) and proven performance in high-drain devices.
- Shelf life and storage: check expiration dates; lithium typically stores longest.
- Temperature range: lithium excels in cold environments.
- Leak resistance and safety: choose reputable brands with robust seals and UL or equivalent certifications.
- Pack size and value: multi-packs and bulk cases lower per-cell cost.

Usage and care tips:
- Do not mix old and new cells, brands, or chemistries in the same device.
- Remove batteries from tools you won’t use for extended periods.
- Store in a cool, dry place; avoid direct heat and humidity.
- Recycle spent cells responsibly; follow local disposal rules.

Whether you need long-lasting alkaline, rugged lithium, or cost-saving rechargeable AA batteries, the right choice keeps your tools ready, reduces downtime, and supports smooth, safe, and efficient work. Pair NiMH cells with a smart charger featuring delta-V detection, and keep a pocket tester and storage case in your toolbox. ready.