Specification: Voltage:3.7v Plug:51005 Plug Capacity:550mAh Weight:17g Dimension:55x18x7.2mm FIts For: JJRC H37 H31 Eachine E50 K110 E50S V966 V930 Q282 JY018 JXD520 UDI U818A RC Quadcopter Package Included: 5*3.7v 5500mAh lipo battery(721855) 1*charger with USB Cable LED Status for charger: Red Lights on: currently charging Red Lights off: charging complete Important tips: 1. Please use the specified battery charger which is with Over-charge protection to charge the battery, the max voltage output is 4.25V 2. When charging the batteries, please put them in an open space and keep away from any inflammable goods such as Carpets, sofa, bed and etc. 3. Please don't use high current USB adapter charger that higher than 2A to charge the battery. 4. When changing the battery, don't pull hard when the battery is stuck, otherwise you may destroy the wire of battery and its inner structure, which will cause battery fire when charging! 5. If the battery swells, please discard it and don't use again! Caution: 1. Please don't overcharge. 2. Please don't fall from a height. 3. Please don't charge the swellon battery. 4. Do not squeeze,hit the battery. 5. Do not store the battery in a humid,high temperature place. 6. The battery is charged and discharged once every 3 months in the long-term storage process to keep the battery activity
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