9v rechargeable batteries 850mAh High capacity: 850mAh 6.46Wh 9V square 6F22 lithium battery, full charge voltage: 8.4V-8.7V Continuous output: 800mA, maximum output: 2.3A Cycle life can reach 2000 times, short charging time: ≤4H, light weight and no memory effect, no any damage to the battery, ensure the battery's cycle life and capacity, passed CE, RoHS, MSDS certification, safe and secure,five protections for charge and discharge. Note:The standard voltage of All brands' 9V lithium-ion rechargeable batteries is 7.6V-8.7V and can't reach the true 9V. Fast charging Standard 9V battery, charging is very fast, capacity 850mAh, max output current: 2.3A9V 850mAh High Capacity Lithium-ion Rechargeable Batteries, ideal for any 9V battery operated device.Charger not included. (Charger need to be purchased separately ASIN: B07Z6267XR) Multiple Protection Overload, reverse polarity and overheat protection are available. If an unprotected 9V battery rechargeable is used, overcharging or overdischarging can cause fire or explosion.The positive and negative electrodes of the battery adopt high-quality conductive metal caps, which are anti-rust and anti-oxidation. More Powerful 9V Battery Rechargeable Up to 2000 charge cycles, The most prominent feature of this battery is low self-discharge, is about 0.03% per month, which is less than 1/100 of Ni-MH batteries.One 9V Lithium ion Battery is equivalent to 2000 disposable batteries(Note: Testing by Hixon) Ultra-compact and portable Size: 1.80*1.04*0.66inWeight: 35g / pcEasy to carryHigh-power load capacity, the battery can reach 2.3A discharge capacity, which is convenient for high-intensity electrical appliances Wide range of applications 9 volt batteries is equipped with integrated intelligent protection ensures good performance in all weather conditions or extreme temperatures from -4 ° F to 140 ° F.The weight of this 9v battery is 30% lower than Ni-MH batteries Widely Used 9V Battery This 9V Li-ion Batteries is suitable for various electrical appliances such as wireless microphones, multimeters, electric guitars, walkie-talkies, toy remote controls, massagers, etc. It is safe and stable, becomes the common choice of hundreds of families. IMPORTANT ! 9 volt rechargeable battery voltage range is different with different kinds materia. 9V lithium batteries voltage range is 7.6V-8.7V9V Alkaline battery voltage range is 6V-9.6V9V NiMH battery voltage range is 7.2V-8.4V Hixon 9V Li-ion battery contains 2 high-quality batteries(per cell voltage is 4.35V), voltage is 8.7V when fully charged. IMPORTANT ! 9 volt rechargeable battery voltage range is different with different kinds materia. 9V lithium batteries voltage range is 7.6V-8.7V9V Alkaline battery voltage range is 6V-9.6V9V NiMH battery voltage range is 7.2V-8.4V Hixon 9V Li-ion battery contains 2 high-quality batteries(per cell voltage is 4.35V), voltage is 8.7V when fully charged.