KEEPBATT 21.6V 3500mAh Replacement Battery for Geek Aire Fan

KEEPBATT 21.6V 3500mAh Replacement Battery for Geek Aire Fan Replacement 21.6V 3500mAh Lithium battery pack is a lightweight bundle of power in an amazingly small package.  Built-in BMS protection to prevent overcharge, Over-discharge, Over-current and short circuit, and very low self-discharge rate.  A Li-ion battery has high energy density, Long cycle life, Good safety performance, No memory effect, etc. Long-Lasting Battery Life,Provides extended riding time. Easy Installation,Simple and straightforward replacement process. Please check the size and shape of your original battery before place order, there are many different type battery cover case for same model number, so find matching battery must check the dimension not the model number.  We have attached dimension pictures in the listing for customer to compare.  Battery is not universal fit, wrong size battery may not fit into your hoverboard. Specification Suitable For: Geek aire fan  Model: 21.6V 6S1P Voltage: 21.6V Capacity: 3500mah Charging Voltage: DC 25.2V Charge Current: 1A Power Rate: 150W Size: 70*58*42mm Weight: 350g Cycle Time: ≥1000 tims BMS Funtion: Over Charge protection; Over current protection; Short Protection; Over-discharge-protection Package include 1 x 21.6V 3500mah Replacement Battery for Geek aire fan Battery usage precautions 1. Battery must be full charged before using 21.6V 3500mah battery. 2. When using a new rechargeble 21.6V 3500mah Lithium Battery, or The first use battery after long term storage, recommend you charge the battery up to 100% before using it. 3. Do not short circuit batteries,it may be result in the permanent damage to batteries 4. Do not incinerate or mutilate batteries, may burst or release toxic material. 5. Do not let batteries in adverse condition such as extreme temperature, depth cycle and excessive overchargeover discharge 6. Store batteries in a cool dry place. 7. Banned the use of batteries in an airtight environment, Ventilation should be maintained in the battery compartment; Otherwise batteries may generate hydrogen gas, which could cause an explosion. 8. When don't using a battery, disconnect it from the device.