Long Cycle Life Battery 18650- 2s4p 7.4V 8800mAh Rechargeable Lithium Ion Batteries for Homes
China Long Cycle Life Battery 18650-2s4p 7.4V 8800mAh Rechargeable Lithium Ion Batteries for Homes, Find details about China 18650 Lithium Battery, Battery Pack from Long Cycle Life Battery 18650-2s4p 7.4V 8800mAh Rechargeable Lithium Ion Batteries for Homes
Model Number: 18650-2S4P
Capacity: 8800mAh or customized.
Voltage: 7.4V
Dimension: Customized
PCM: Included, support customization
Wire: Included, support customization
Charging Method: Constant current + constant voltage
Exp. Cycle life: 500 cycles more than 80% of initial capacity (1C at 20 °C)
Ambient conditions:
Temperature range:
- Charge: 0 to +45 C
- Discharge: -20 to +60C
- Charge retention/storage [%]: 1 year at -20 to +25C
3 month at -20 to +45C
Humidity: 65+/- 20% RH
Environmental and Safety:
Please follow Hypercell Handling and Safety Precautions for Li ion and Lithium Polymer.
The partial cell is approved according UL1642.
This battery meets the requirements of Battery Directives, and the battery parts are RoHS-Compliant.
Assembly:
1. We could pack different battery solutions with requirement for voltage and capacity.
2. Each cells could be test carefully with capacity, voltage and internal impedance for battery pack consistency.
1, High energy density
2, High working voltage for single battery cells
3, Pollution-free
4, Long cycle life
5, No memory effect
6, Capacity, resistance, Voltage, platform time consistency is good
7, With short-circuit production function, safe and reliable
8, Factory price& High quality
9, Good consistency, low self discharge
10, Light weight, small size
Do not mix fresh batteries with used batteries.
Do not mix batteries with metal stuff together.
Do not insert batteries with the (+) and (-) reversed.
Do not use Efest batteries with defective E-cig mods.
Do not disassemble, dispose in fire, heat or short circuit.
Do not put the battery in a charger or equipment with wrong terminals connected.
Item | Parameter | |
Battery model | DTP18650-2S4P | |
Nominal voltage | 7.4V | |
Minimum capacity | 8800mAh or customized (0.2C discharge) | |
Charging voltage | 7.4-8.4V | |
Discharging cut-off voltage | 6V | |
Standard charging | 0.2C /7.4V | |
Max charging | 1.0C /7.4V | |
Standard discharging | 0.2C/6V | |
Max discharging | continuous discharge | 1.0C/6V |
non-continuous discharge | 2.0C/6V | |
Shipment voltage | ≥7.4V | |
Battery pack impedance | ≤50Ω | |
Operating temperature | Charging: 0°C ~ 45°C | |
Discharging: -20°C ~60°C | ||
Storage (At 50% SOC and specified temp, recoverable capacity in % vs time ) | -10ºC~25ºC | (12 months ≥85% ) |
-10ºC ~45ºC | (6 months ≥85% ) | |
-10ºC~55ºC | (1 month ≥90% ) | |
20±5ºC 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 | |
1: Data Power Technology Co., Limited is an experienced manufacturer of batteries specialized in the production of rechargeable batteries (lithium polymer batteries and lithium ion batteries/lifepo4/battery pack ). With more than 18 years of great efforts, our products have been exported worldwide with strong sales services and gained a great reputation among worldwide clients in the industry.
2:We have two factories with total areas of more than 50,000 square feet and employs more than 1100 skillful workers for production.
3: Our products have been UL approved. Our company always strictly abides by the standards of ISO. From personnel training, product design, material purchase, production process, quality control to after sales service, a reliable quality assurance and service system has been properly set up.
1. 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.
2. 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.
3. 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.
4. 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.
5. 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.
6. 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.
7. Q7: Where are your company's major markets?
A7: Our company focus on high quality batteries in North Amercia, Europe, Korea and Japan markets.
8. 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.
9. Q9: Can we visit your factory before placing an order?
A9: Of course, no problem, we are always welcome to visit the factory.
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