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{"title":"High Rate Discharge 21700 Battery Max Discharge 45A 3.6V 4000mAh Lithium Cell","imgUrl":"https:\/\/img.chinax.com\/nimg\/fa\/8f\/90fff367994ddb909430feb02a3b-200x200-1\/high_rate_discharge_21700_battery_max_discharge_45a_3_6v_4000mah_lithium_cell_full_tab_cell_design_for_rc_car_and_drone.jpg","attrs":{"Brand Name":"EMB","Model Number":"INR21700-40XG","Certification":"UN38.3\/CE\/UL\/IEC62133\/KC\/BIS","Place of Origin":"China"}}
{"title":"Factory Price INR 21700 Battery 5000mAh Lithium Ion Battery MAX 8C Discharge","imgUrl":"https:\/\/img.chinax.com\/nimg\/6c\/98\/082841597a37ce34b125a97103e1-200x200-1\/factory_price_inr_21700_battery_5000mah_lithium_ion_battery_max_8c_discharge_rate_21700_battery_cell_for_e_motorcycle.jpg","attrs":{"Brand Name":"EMB","Model Number":"INR21700-50XG","Certification":"UN38.3\/CE\/UL\/IEC62133\/KC\/BIS","Place of Origin":"China"}}
{"title":"Low Thermal Rise 3.6V 4000mAh 70A Output 600 Cycles Life 21700 Battery Cell for","imgUrl":"https:\/\/img.chinax.com\/nimg\/17\/98\/3f1c1971e818ebc8da382f211cc4-200x200-1\/low_thermal_rise_3_6v_4000mah_70a_output_600_cycles_life_21700_battery_cell_for_electric_motorcycle_power_bank.jpg","attrs":{"Brand Name":"EMB","Model Number":"40PT","Certification":"UN38.3\/CE\/UL\/IEC62133\/KC\/BIS","Place of Origin":"China"}}
{"title":"Hot Sale 5000mAh 3.58V 30A Max Discharge 12A Max Charge Lithium Battery Cell for","imgUrl":"https:\/\/img.chinax.com\/nimg\/38\/91\/2cb9d84aae17bccee70013d56089-200x200-1\/hot_sale_5000mah_3_58v_30a_max_discharge_12a_max_charge_lithium_battery_cell_for_medical_equipment_battery.jpg","attrs":{"Brand Name":"EMB","Model Number":"JP50","Certification":"UN38.3\/CE\/UL\/IEC62133\/KC\/BIS","Place of Origin":"China"}}
{"title":"Reliance RS40 3.6V 4000mAh Li-ion Cell 70A High Discharge Fast Charge 14A for","imgUrl":"https:\/\/img.chinax.com\/nimg\/96\/2b\/3661db11687f0c09be31c0659dc4-200x200-1\/reliance_rs40_3_6v_4000mah_li_ion_cell_70a_high_discharge_fast_charge_14a_for_power_tools_drones.jpg","attrs":{"Brand Name":"Reliance","Model Number":"RS40","Certification":"UN38.3\/CE\/UL\/IEC62133\/KC\/BIS","Place of Origin":"China"}}
Ultra-low Internal Resistance, High Rate Capability, Low Temperature Rise
Low Impedance
Max 4MΩ
Applications
Electric Tools, Gardening Tools, Cleaning Appliances, Drones
High Discharge Rate
Max 70A
Low Temperature Performance
Charge: -20～60℃ Discharge: -40～80℃
Brand Name
EMB
Model Number
JP50
Certification
UN38.3/CE/UL/IEC62133/KC/BIS
Place of Origin
China
RS50 4950mAh 3.6V Battery Cell 70A Continuous Discharge 21700 Lithium Battery for E-bike Racing Scooter Packs
The RS50 is a high-grade rechargeable lithium-ion battery optimized for durable energy supply and reliable operation. With a 4950mAh capacity and maximum continuous discharge current of 70A, this cell is well-suited for high-demand applications, providing consistent output and extended service duration.
Extremely Low Internal Impedance:The full tab structure minimizes the current collection path, significantly reducing internal resistance compared to conventional cells
Excellent Thermal Management:The uniform current distribution results in low and even heat generation
High Capacity: 4950mAh provides extended runtime before requiring recharge
High Discharge Rate: 70A continuous discharge, ideal for high-drain applications
Lithium-Ion Chemistry: Provides stability, efficiency, and low internal resistance
Rechargeable & Long-Lasting: Supports multiple charge cycles with minimal degradation
Output Stability: Stable voltage curve during discharge ensures continuous power
Applications
Aerospace: Provides lightweight, high-energy-density batteries for spacecraft, drones, UAV, and model aircraft
Robotics: Supplies continuous power for high-load robots
Lightweight Power Equipment: Assists with power for electric motorcycles, snowmobiles, electric bicycles, and other lightweight power tools
Power Tools: Delivers high burst power for drills, angle grinders, electric saws, blow dryers, and other high-current tools
Cleaning Appliances: Provides stable and lasting power for vacuum cleaners, mite removers, floor washers, steam mops, garden tools, and more, ensuring work efficiency and long battery life.
Medical Electronics: Provides highly reliable power for life monitors, portable medical devices, and more
Warning
Lithium-ion batteries require proper handling and knowledge to ensure safe operation
Failure to follow safety guidelines may result in fire, explosion, serious injury, or property damage
Only purchase and use if you fully understand lithium-ion battery safety
Never leave a battery unattended while charging
Keep away from animals and children
Prevent contact with metal objects to avoid short circuits
Inspect wraps and insulators regularly for damage - repair or dispose of damaged batteries immediately
Resellers must pass these warnings to customers
Typical cycle life of 200-500 cycles before noticeable capacity reduction - recycle at end of life
