USB Rechargeable 9v Lithium Batteries – 4-Pack 9 Volt Li-ion Battery for Smoke Detector, with 2 USB-C 2-in-1 Charging Cable, High Capacity 1300 mAh, Quick Charges 2 Hours, Over 1000+ Cycles

About this item Constant Voltage Output: 1300mAh high capacity rechargeable AA batteries has long-lasting, continuous constant voltage output. Provide stable power and longer working time for high-frequency used devices such as smoke/fire alarms, wireless microphones, toys, GPS, home security equipment, medical equipment, etc. Portable USB-C Charging Port: The included 2 2-in-1 cables are suitable for PC/plug/mobile power/car charger or 2.0A/3.0A adapter various charging interface inputs, which can very conveniently charge 4 rechargeable lithium batteries at a time. 1000+ Charging Cycles: Compared with disposable batteries, rechargeable lithium batteries are more in line with modern battery solutions, helping you reduce electronic waste, save money and save time. Safety Design: 9v rechargeable batteries has built-in multiple safety protection systems, including overcharge, over-discharge, short circuit and overheating protection, ensuring safety during charging and use. Built-in LED indicator: Flashing green means charging, static green means charging in progress. Advanced lithium charging technology can fully charge the battery in 2 hours, reducing waiting time. › See more product details From the brand Rechargeable Lithium Batteries USB-C Rechargeable Batteries Ni-MH batteries with chargers Laptop Battery Product information Collapse All Expand All User guide Antenna Location Smoke detector Item details Customer Reviews 4.4 4.4 out of 5 stars 13 ratings 4.4 out of 5 stars Model Name SLN-RH-9V4-C Best Sellers Rank #80,115 in Health & Household (See Top 100 in Health & Household) #74 in 9V Batteries ASIN B0D9YJG1RY Model Number SLN-RH-9V4-C Brand RayHom Number of Batteries 4 9V batteries required. (included) Manufacturer RayHom Measurements Battery Weight 0.01 Kilograms Unit Count 4.0 Count Warranty & Support Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here. Product Warranty: For warranty information about this product, please click here Feedback Would you like to tell us about a lower price? Additional details Battery Cell Type Lithium Ion Features & Specs Reusability Rechargeable Voltage 9 Volts