China 3.7v 4800mAh 21700 Li-Ion lithium battery cell Manufacturer and Supplier | SOSLLI

Short Description:

Cell Condition: Brand Newand Grade A

Warranty: 1Year for Li-ion, 3 Years for LiFePO4
Assurance:Any broken item under DDP or Quality Problem within Warranty Time, we will be reponsible and send replacements on next order or related refund, that’s up to clients’ needs.

Tech Specs & Features

Product Video


3.7v 4800mAh 21700 Li-Ion battery cell:

No. Item Specification Remarks
1 Brand Name SOSLLI or OEM  
2 Model NO. SSL-ICR21700  
3 Normilar Capacity 4800mAh 0.2 C5A discharge
4 Normilar Voltage 3.7 V  
5 Discharge Voltage (Min.) 2.8V  
6 Charging Voltage (Max.) 4.2V  
7 Charging Current (std.) 0.5 C5A  
8 Discharging Current (Max. continue) 3 C5A  
9 Discharging Current (Max. temporary) 5 C5A  
10 Charging Temperature & Humidity 0℃ ~ +45℃   45~85%RH  
11 Discharging Temperature & Humidity -20℃ ~ +60℃ 45~85%RH  
12 Battery storage and transportation environment temperature & humidity ranges Min. 1 month -20℃ ~ +60℃ 45~85%RH  
Min. 3 months -20℃ ~ +45℃ 45~85%RH  
Min. 12 months -20℃ ~ +25℃ 45~85%RH  
13 Battery Type Li-Ion battery 21700 4800mAh  
14 Internal Impedance     
15 Protection Fuctions Over charge, Over discharge,
Over load, Short Circuit
16 Size 21*21*70mm Recommend or Customize
17 Weight Approx. 70g   PVC/ABS package
18 Cycle Life 800 times  
19 Warranty 12 months  

 Typical Advantage of Soslli’s lithium Iron phosphate battery PACK:

1. Safer: Triple protection designs to prevent short-circuit inside the cell.
2. Real and high capacity, Low self-discharging, no memory effect.
3. Longer cycle life more than 1000 times @80% capacity retain.
4. Large batch production, offering very similar cells for rating.

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  • 1.  Q: Can you accept OEM and ODM Service?

    A: Yes, we supply OEM&ODM service as clients requirement.Please provide details such as voltage, capacity, max continuous working current, size requirement, package,etc.

    2.  Q: Can we get samples for test?

    A: Yes, but free samples are not available at beginning.

    3. Q: What’s your payment term?

    A: TT, L/C, West Union, Paypal etc.

    4. Q: What’s your warranty for products?

    A: Generally speaking, it’s one year’s warranty, for quality problems, we will send you a new one.

    5. Q: How long will be the delivery?

    A: Usually delivery in 10-15 days, but could be change according to the quantity or other things.




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