2 x Tenergy RCR123A (16340) 3.7 Volt Lithium Ion Batteries (650 mAh) + 2 Bay Powerizer Smart Charger
CR123 Lithium Battery | CR123 Photo Battery | Battery Mart
Amazon.com: Tenergy 12 Pack Rechargeable Batteries and Charger Compatible with Arlo Wireless Cameras Certified Works with Arlo : Electronics
Arlo Certified: Tenergy 3.7V Arlo Battery Fast Charger and 650mAh RCR123A Li-ion Rechargeable Batteries for Arlo Wireless Security Cameras (VMC3030/3200/3330/3430/3530), UL UN Certified, 4-Pack - Walmart.com
8 x Tenergy RCR123A 3.7 Volt Lithium Ion Batteries (650 mAh) + 4 Slot Smart Charger