Description Energizer Rechargeable AA Batteries, NiMH, 2000 mAh, Pre-Charged, 4 count (Recharge Universal) Keep your family fully powered every day with long-lasting Energizer Recharge Universal Rechargeable Batteries. Pre-charged and ready to go when they arrive on your doorstep, these rechargeable batteries help you save money and create less waste over time, reducing environmental impact. Each Energizer Recharge Universal AA battery can be charged and used up to 1000 times. Don't feel like using your charged-up batteries right away? The charge lasts up to one year in storage. Simply pair up with any Energizer Recharge Charger to power up your everyday devices like toys, digital audio devices, and wireless electronics and keep the power going. Last up to 420 minutes per charge for toys.