- $3.39(6 Reviews)Free Shipping Over $50!
- $3.79(6 Reviews)Free Shipping Over $50!
Efest IMR 10440 350mAh 3.7V Unprotected Lithium Ion (Li-ion) Flat Top Battery - Boxed, 2-Pack (3145-FLAT)$7.95(0 Reviews)Free Shipping Over $50!
These lithium-ion 10440 batteries are designed to be interchangeable with AAA batteries in certain applications. Always be sure to check your AAA device to make sure it can handle the extra voltage that comes with the 10440 configuration! We also carry a variety of battery chargers compatible with 10440 batteries.