3800 mAh Nickel Metal Hydride 'AA' batteries. NiMH technology provides all the benefits of NiCads without the toxic ingredients and without the memory effect problem! 3800 mAh is a large capacity cell very useful for many applications. We use these in everything! 26 grams per cell. 

• Voltage: 1.5 V
• Capacity: 3800 mAh
• Size: AA
• ​Weight: 26 grams