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{"title":"In Stock INR21700-50G 3.7V 5000mAh 2C Li Ion Rechargeable Battery 1000 High","imgUrl":"https:\/\/img.chinax.com\/nimg\/a2\/4c\/9199d1f4172a97a5568c0d9fe3ea-200x200-1\/in_stock_inr21700_50g_3_7v_5000mah_2c_li_ion_rechargeable_battery_1000_high_cycle_life_50gb_lithium_ion_battery_for_sale.jpg","attrs":{"Brand Name":"EMB","Model Number":"INR21700-50GB","Certification":"UN38.3\/CE\/UL\/IEC62133\/KC\/BIS","Place of Origin":"Tianjin"}}
{"title":"Molicel P45B 21700 Li Ion Battery 4.5A 3.6V 45A Discharge Low Temperature 21700","imgUrl":"https:\/\/img.chinax.com\/nimg\/4b\/a1\/b324e1dfd31112519955f6981eb9-200x200-1\/molicel_p45b_21700_li_ion_battery_4_5a_3_6v_45a_discharge_low_temperature_21700.jpg","attrs":{"Brand Name":"E-One Moli Energy Corporation","Model Number":"P45B","Certification":"UN38.3\/CE\/UL\/IEC62133\/KC\/BIS","Place of Origin":"Taiwan"}}
{"title":"High Discharge Rechargeable 21700 Battery Molicel P50B 3.6V 5000mAh 60A","imgUrl":"https:\/\/img.chinax.com\/nimg\/90\/e0\/ca42fb9ad68ec6e72c08931f02e3-200x200-1\/high_discharge_rechargeable_21700_battery_molicel_p50b_3_6v_5000mah_60a.jpg","attrs":{"Brand Name":"E-One Moli Energy Corporation","Model Number":"P50B","Certification":"UN38.3\/CE\/UL\/IEC62133\/KC\/BIS","Place of Origin":"Taiwan"}}
{"title":"Tenpower INR21700-50SG Rechargeable Lithium Battery 5000mAh 20A High Discharge","imgUrl":"https:\/\/img.chinax.com\/nimg\/a8\/42\/d4fb20d52716594f91957f13ba34-200x200-1\/tenpower_inr21700_50sg_rechargeable_lithium_battery_5000mah_20a_high_discharge.jpg","attrs":{"Brand Name":"Tenpower","Model Number":"INR21700-50SG","Certification":"UN38.3\/CE\/UL\/IEC62133\/KC\/BIS","Place of Origin":"China"}}
INR21700 50E2 3.63v 4900mAh 9.8A lithium Ion battery
The INR21700-50E2 Battery is a high-performance lithium-ion rechargeable power cell designed for long-lasting energy delivery and reliable performance. With a 4900mAh capacity and 9.8A maximum continuous discharge rate, this battery is ideal for medium- to high-demand applications, offering stable output and extended usage time.
Cell Characteristics
Specification
Value
Capacity
Typical 4900mAh (17.78Wh)
Cell Voltage
Nominal 3.63V Charge 4.2V Discharge 2.5V
Continuous Charge Current
Standard 2450mA Maximum 4900mA
Charge time
Standard 240min
Continuous Discharge Current
Maximum 9800mA
Ambient Temperature
Charge 0 to 45℃
Discharge -20 to 60℃
Impedance
≤14mΩ
Weight
69.5g
Dimension
70.8mm(Max)*21.25mm(Max)
Cycle life
500cycle(80%)
Key Features
High Capacity: 4900mAh provides extended runtime before requiring recharge
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 output
Compact 21700 Size: Universally compatible with a wide range of electronic devices
Applications
Flashlights: Ideal for high-lumen LED torches requiring consistent power
Medical Devices: Reliable power source for essential equipment
Power Banks & Backup Systems: Supports portable energy solutions
Lightweight Power Equipment: Auxiliary power for robotic vacuums, electric bicycles, scooters, and fishing boats
Power Tools: High burst power for drills, angle grinders, electric saws, and other high-current tools
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 (keys, coins, tools) 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 250 cycles before noticeable capacity reduction - recycle at end of life
