China 3.7v 4800mAh 21700 Li-Ion lithium battery cell Manufacturer and Supplier | SOSLLI
Tech Specs & Features
3.7v 4800mAh 21700 Li-Ion battery cell:
|1||Brand Name||SOSLLI or OEM|
|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|
|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|
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.
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.