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LITHIUM POLYMER BATTERY
Items | Specifications |
Nominal Voltage | 3.7V |
Norminal Capacity | 21000mAh |
Max Cell Dimension | 10.4*90.5*190mm |
Tabs Material | Nickel-plated Copper Tabs |
Distance between Two Tabs | 35±1 |
Standard Size of Tabs (mm) | L30×W25 |
Delivery Volatage | 3.75~3.85V |
Charge Voltage | 4.2V±0.03v |
Cell Internal Impedance | ≤1.5mΩ |
Max cotinuous discharge rate | 8C |
Cell Weight | 400g |
Operation Temperature Range | -20℃~60℃ |
Storage Humidity | ≤85% RH |
Standard Charge Method | 0.2C CC (constant current) charge to FC Voltage, then CV (constant voltage) charge till charge current decline to 0.01C. |
Storage temperature for a long time | Do not storage exceed half year. Must charge once when storage for half year.Must charge the battey which with protect circuit when storage for three months. |
BMS Details

Current & Voltage Protection
Protects the battery pack from over-charge and over-discharge thereby extending cycle life

Intelligent Cell Balancing
Efficient passive balancing is used to maximize the usable capacity of battery packs

State of Charge Monitoring With Drift
Coulomb counting and dynamic drift correction are used to monitor the state of charge

Thermal Management
Over-temperature and under-temperature protection with fan controls for cooling or heating

Health Monitoring
Monitors internal resistance of individual cells and the measured capacity of the battery pack

Field Programmable
Parameters such as voltage ranges, current limits and many other settings are easily field changeable.
Why choose Melasta ?
Dedicated Battery Pack Assembly Plant For Brand Cells
Authorized Dealer For BAK Brand Cells
100% Authentic Grade-A ,Originally Imported Cells
Authorized Dealer For Few Models Of Panasonic And LG Cells
Competitive Price For Brand Cell
Good Cooperation With Brand Cells Authorized Dealers
Short Lead Time- Cells Can Be Shipped Within 5 Days
Fast Shipping Via UPS, FedEx (DAP), And Special Line (DDP)
Full Refund And Replacement Policy
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