7.4 V 4000mah 18650 Li Ion Rechargeable Battery
| Cell Size:: | 38*38*70mm(T*W*H) | Volt: | 7.4V |
| Capacity:: | 4400mAh | Standard Charging Rate:: | 0.2C |
| Cut off voltage:: | 6.0V | Cycle life:: | 500 Times |
| Charging Temperature:: | 0°C- 45°C | Working Temperature:: | -20°C- 60°C |
| High Light: | REACH 4000mah 18650 Li Ion Rechargeable Battery,UN38.3 18650 7.4 V 4000mah Battery,500times 7.4 V 18650 Li Ion Rechargeable Battery |
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7.4v 4000mah 18650 li-ion rechargeable battery pack alarm system power supply[GPE]
Key Specifications/Special Features:
- Battery Type: Lithium ion battery
- Model No.: ICR18650-2S2P
- Volt&Capacity: 7.4V 4400mAh
- Cell Size: 38*38*70mm(T*W*H)
- Standard Charging Rate: 0.2C
- Standard Discharging Rate: 0.2C
- Max continuous discharging Rate: 1C
- Pulse Discharging Rate 1.5C
- Cut off voltage: 6.0V
- Cycle life: 500 times
- Charging Temperature: 0°C- 45°C
- Working Temperature: -20°C- 60°C
- High energy density-Advanced technology provides ultra-high capacity Li-ion batteries.
- Long cycle life-capacity recovery can be above 80% after 500cycles.
- Safety-All batteries are equipped with multiple safety features, including a safe shut-down separator and a safety vent.
- Superior storage characteristics-The self-discharge rate of Lithium-ion battery is about 3% per month when stored at room temperature.
- Various Products-Hundreds of moulds from micro size 200mAh to large capacity 6000mAh.
- Technology-With more than 20 years of battery manufacturing and automatic production line, GPE can guarantee our products better products.
- R&D-Experienced R&D team with over 60 engineers for supporting OEM and ODM requirements.
- Safety-Various tests are done at GPE to ensure the safety of our products for our customers.
- Certificates-CE, RoHs, BIS, KC, CB, UL, MSDS, UN38.3, IEC61233 certificated.
- Service-GPE has a professional sales team to provide professional project solutions and after-sale services.
Power Bank, RC toys, Power Tool, Electronic bike, Electric scooter, LED light, Security Products, Solar&Wind Energy Storage System, etc.
7.4v 4000mah 18650 li-ion rechargeable battery pack
| Nominal voltage | 7.4V |
| Nominal capacity | 4000mAh |
| Size | length × width × high (mm) |
| L40*W40*H70MM(with PCM) | |
| Advantage |
High energy density Safety and reliable(with PCM) Long cycle life no memory Never explosion,stable performance,environment friendly capacity and size could be customized |
| Weight | about 95g |
| Max charge current | 0.5-1C |
| Max discharge current | 1-2C |
| Operating environment | Charging, 0°C ~ 45°C ; 65±20%RH |
| Discharging, -20°C~60°C ; 65±20%RH | |
| Storage environment | -20°C~45°C |
| 65±20%RH | |
|
storage for a long time(>3 months) and the storage condition shall be:<35°C;65±20%RH; |
|
| CycleLife (80% Prime Capacity) : |
Over 500times |
| Charging Attention |
Charging current and charging voltage should be less than specified in the Product Specification. |
| The charger shall be designed to comply with Specification. | |
|
It is dangerous that charging with higher current or voltage than Product Specification may cause damage to the cell electrical, mechanical safety performance. |
|
| Battery Cell | 18650 cell or other Brand 18650 cell |
| PCB Safety Function |
Cell balancing,Over-discharge,Over current protection, Over-charge,Temperature protection,Secondary protection. |
FAQ
Q1: What is your terms of payment?
A1: We can accept T/T,Paypal,Western Union,Trade Assurance,etc.
Q2: Are you a factory or trade company?
A2: we are a professional manufacturer .daily output is 300000pcs batteries and 40000 assembled battery packs.
Q3: What's the lead time for the mass production?
A3: It depends on the actual situation,if with stock,the lead time will be 1-5 days,if without stock,it will depend on your order quantity,usually within 30 days.
Q4: Can I get the sample?
A4:Of course,we can send you sample to check the quality first,if you pay the freight.
Q5 : Can you make customized models?
A5: Of course. We have professional engineers that can give you the most suitable solution according to your special requirements.
Q6: When can I get the price?
A6: We usually quote within 14 hours after getting your inquiry.If you are urgent to get the price,please call us or tell us in your email so that we can handle your inquiry priority.
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