21700 3.7V 5000mAh 2C DisCharging Rate rechargeable Battery Cell lithium ion NCm

21700 3.7V 5000mAh 2C DisCharging Rate rechargeable Battery Cell lithium ion NCm

  • Product Details
  • Brand Name
    DTP

    Model Number
    DTP21700

    Battery Size
    21*70mm

    Place of Origin
    Guangdong, China

    Weight
    80g

    The charging ratio
    0.5C

    The discharge rate
    3C

    Battery Cell
    Lthium ion Battery

    Certificate
    CB/CE/KC/RoHS/IEC62133/BIS/UN38.3

    Overview
    Product Standard
    Items
    Parameter
    Battery model
    DTP 21700
    Nominal voltage
    3.7v
    Minimum capacity
    3000mAh-5000mAh (0.2C discharge)
    Charging voltage
    4.2v
    Discharging cut-off voltage
    2.75v
    Standard charging
    0.2C /4.2V
    Max charging
    1.0C /4.2V
    Standard discharging
    0.2C/3.0V
    Max discharging 
    continuous discharge : 1.0C/3.0V
    non-continuous discharge:2.0C/3.0V
    Shipment voltage
    ≥3.85V
    Battery pack impedance
    ≤80mΩ
    Operating temperature 
    Charging: 0°C ~ 45°C
    Discharging: -20°C ~60°C
    Storage (At 50% SOC and specified temp, recoverable capacity in % vs time )   
    -10℃~25℃  (12 months ≥85% )
    -10℃ ~45℃  (6 months ≥85% )
    -10℃~55℃  (1 month ≥90% )
    20±5℃ is the recommended storage temperature
    Visual Inspection
    There should not be any remarkable scratches, cracks,bolts, cauterization, deformations, swelling, leakage and so on the surface of the cell.
    Reference standard
    GB/T 18287-2013,KC CE ROHS IEC/EN61960, UL1642

    Product advantage:

    1. High energy density lithium polymer battery.

    2. Long life cycle of charging & discharging, more than 500 cycles.

    3. Enhanced safety with Japan IC & MOS protectors.

    4. Thinner design & lighter weight with aluminum-plastic composite.

    5. OEM & ODM services for special size of lithium polymer battery.

    6. Easy to assemble with mounted connectors (Molex, Tyco and so on).

    7. Rigorous testing to ensure the quality of all lithium polymer batteries.

    8. Most inportant: competitive price.

    9. Dual IC chips, that can anti-shortcircuit, anti-overcharger, anti-overcurrent, anti-overload.


    Product description

    ISO9001:2015 Guangdong manufacturer
    This battery with CE ROHS UN38.3 MSDS IEC623313 CE certification
    Welcome OEM&Customize service!
    Company profile
    Packing and shipping
    FAQ

    Q1: Can I get free sample?
    A1: Generally we don't provide free sample, but we can return sample cost when the buyer place the bulk order.

    Q2: What is delivery time if we place an order?
    A2: It's depends on the order quantities. Usually, we can deliver goods within 3 -5 working days for small orders. For bulk order, let's confirm when you place official order.

    Q3: What's your payment and delivery terms?
    A3: Payment terms: By T/T, 30% for deposit, and balance all before shipment. For small amount, we also accept payment via PayPal.

    Q4: What company will be used for making the shipments? DHL? UPS or others?
    A4:Normally, we ship our battery via DHL,UPS and FedEx.

    Q5: What is your package looks like? Can I have the customized package?
    A5: We have factory's current standard package, customized print logo shall be complied to buyer's requirements, and the extra charges will be borne by the buyers, for more details, please contact us.

    Q6: Are your factory or trading company?
    A6: We are professional battery manufacturer with our own factory and brand. We provide all kinds of OEM/ODM services for clients all around the world.

    Q7: Where are your company's major markets?
    A7: Our company focus on high quality batteries in North Amercia, Europe, Korea and Japan markets.

    Q8:What's your advantage compared with other suppliers?
    A8 a) High quality batteries: Our batteries are in enough capacity, and lower in RI,

    Before shipment, we will inspect the products and ensure the quality which are well approved by our clients.

    b)Better service: We always offer what our clients need. Reply client's questions in time. Supply best projects solution for clients. We ship out the products on time.

    Q9: Can we visit your factory before placing an order?
    A9: Of course, no problem, we are always welcome to visit the factory.