czvv Rechargeable 9V Batteries Lithium - High-Capacity 850mAh Square Battery Li-ion 8.7V - 8 Pack with Ultra Fast Charger - 1300 Cycles - High-Performance, Long-Lasting for Smoke Detector, Radio
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- Higher Capacity, Lower Spend Upgraded 850mAh lithium cobalt oxide battery with about 2.6x larger capacity than common 9V 320mAh batteries. The eco-friendly concept runs through manufacturing. Say NO to harmful substances together such as Hg Cd Pd. Less than 1% - self-discharge rate of CZVV lithium batteries 9v ensures 85% capacity maintenance after 36 months of non-use. Longer 1300 service life. The Energy is About to Shift ,a wonderful combination of electricity and chemistry.
- What You Get CZVV Ultra 850mAh square battery 9v(8 Count Pack with Output DC 8.7V), CZVV Q019 Pro Individual Portable 4-Slot Charger(Input 5V 2.0A), Type-C Lightning Cable, User Guide, our worry-free 12-month warranty, and friendly customer service.
- Wide Applications Compatible with most 9V battery-powered devices, like 9v battery smoke alarm, garage door openers, alarm clocks, wireless microphones, radios, electronic toys, flashlights, remote controls, massagers, transceivers, guitars, bass guitars, metal detectors, multi-function instruments, etc.
- Why 8.7V instead of 9V? As we all know, the nominal voltage of lithium battery is 3.7V, and the full-charged voltage is 4.2V - better known as the charge cut-off voltage. By connecting two groups of 3.8V High-Energy-Density lithium-polymer cells in series, we fabricated K007 with an EnergyCLSave frame. Under ideal conditions, a fully charged 9V battery will maintain a high voltage of about 8.7V(4.35V*2) - the highest voltage among all brands' lithium 9v rechargeable battery can achieve so far.
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