This replacement battery is manufactured to OEM standards, 7000mAh upgraded capacity delivery extended runtime Fully compatible with Tactacam defend cellular security camera only (Not Compatible with Defend 360 Cellular Security Camera) Extra battery backup, powering the cellular security camera longer time than AA alkaline batteries, paired with solar panel, more efficient energy storage and output QC 3.0 5V/3A fast charging technology enables rapid full charging while also supporting solar panel charging during outdoor work, keeping your camera operational without frequent battery changes. Multi-circuit protection ensures safe and stable use, with a built-in integrated intelligent control chip that provides over-charging, over-discharging, over-voltage, over-current and over-heating protection We provide 12 months technical support, if you have any questions about this battery, pls contact us at any time you need, we will be happy to serve you Replacement Battery for Tactacam Defend Rechargeable Lithium-ion Battery, Compatible with Tactacam Defend Solar Panel Cellular Security Camera