Solar NiMH rechargeable battery Micro AAA 550mAh 2 pcs.
Adam Hall Varta Industrial 4003 Micro AAA Battery AH-VIMN4003
AccuPower Micro AAA 1200 mAh NiMH Rechargeable Battery 4-Pack
4 Pcs BUMP AAA USB Rechargeable Recharge up to 1000 Times High Capacity Reusable Quick-Charge by Micro USB Cable Eco Friendly Polymer Lithium Battery - Walmart.com