iVANKY Charging Case with 4-Pack AAA and AA Batteries, 3600mWh

MIXED-SIZE CHARGING CASE: This case charges and stores 4 AAA and 4 AA batteries together, covering two of the most common battery sizes in one box. A convenient addition to any charging routine. 3600MWH LITHIUM-ION BATTERIES: Both the AAA and AA batteries use a new-generation lithium-ion core to deliver 3600mWh of capacity with a constant 1.5V output. A convenient addition to any charging routine. IP67 WATERPROOF CERTIFIED: The battery housing is IP67 waterproof certified, helping protect against splashes and moisture during everyday use and storage. A convenient addition to any charging routine. HIGH-SECURITY PACKAGING: A smart protection chip and integrated safety design work together to support safe charging and long-term battery reliability. A convenient addition to any charging routine. CHARGING INDICATOR LIGHTS: Individual LED indicators show charging progress for each battery, so you always know when your batteries are fully charged. A convenient addition to any charging routine.