Verico LoopEnergy 9V Block Pack of 2, PP3, 4500 mWh, Rechargeable USB C Battery, Li Ion 1 Charging Cable Type A to 2 x C, Ideal for Smoke Detectors, Fire Alarms

Quick and safe - Multiple protection mechanisms prevent overcharging, deep discharge as well as overheating, as well as short circuits with a short charging time of 1-2 hours Simple and practical - Charges via USB type C with USB charger, from a power bank or notebook and much more, no additional charger required Practical accessories - Includes 2 USB charging cables for single or multi-charging of up to 2 batteries and practical storage box