Amazon Basics AAA High Capacity Rechargeable Batteries, NiMh, Pre charged Pack of 4 (Appearance may vary)

IN THE BOX: 4-pack AAA rechargeable high-capacity batteries; 850 mAh DEVICE COMPATIBILITY: Ideal battery for a wide range of high- and low-drain devices RECHARGEABLE: Delivered pre-charged and ready to use; can be recharged up to 500 times with minimal power loss LOW SELF DISCHARGE: Maintains 80% capacity for 24 months EASY USE & STORAGE: Ships in Certified Frustration-Free Packaging NOTE: To avoid damage or undesired rapid discharge of the batteries, DO NOT MIX: non-rechargeable with rechargeable batteries; fully-charged with mid- to low-charged batteries; new with old batteries; different mAh capacities; different brands