About this item 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 9v li-ion rechargeable battery ensures 85% capacity maintenance after 36 months of non-use. Longer 1300x service life – The Energy is About to Shift – a wonderful combination of electricity and chemistry. ≤4H Strong Fast-Charge: Support 4-channels of fast charging at the same time. Preset with 3 charging models – Trickle charging, Constant Current charging, and Constant voltage charging, 5V 2A input ensures batteries to 100%. LED lights on the charger allow you to check the charging status anytime. 6-in-1 IC chip with a leak-proof design, safety protection comes first, and hassle-free use. *Unauthorized use of other brand chargers may cause accidents. Wide Applications: Compatible with most 9V battery-powered devices, like 9-volt smoke sensors, 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 a Li-ion 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 9-volt battery will maintain a high voltage of about 8.7V(4.35V*2) – the highest voltage among all brands’ Lithium-ion 9V batteries can achieve so far. What You Get: CZVV Ultra 850mAh 9V Batteries(8 Count Pack with Output DC 8.7V), CZVV Q019 Pro Individual Portable 4-Bay Charger(Input 5V 2.0A), Type-C Lightning Cable, User Guide, our worry-free 12-month warranty, and friendly customer service › See more product details Product information Collapse All Expand All User guide Energy Specifications Met UL Item details Customer Reviews 4.2 4.2 out of 5 stars 43 ratings 4.2 out of 5 stars Best Sellers Rank #231,731 in Health & Household (See Top 100 in Health & Household) #178 in 9V Batteries Mfr Part Number czvv_850mAh_9V_lithium-ion_battery_8_pack_with_charger ASIN B09R49BWCS Brand czvv Manufacturer CZVV Measurements Item Weight 13.58 Ounces 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 Color 8 Pack 9V Batteries with Charger Features & Specs Input Voltage 5 Volts Output Voltage 8.7 Volts
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