I received few batteries from xtar and here you can see some useful informations.
Considering that I am not expert for batteries, I will write here expert's conclusions.
One of the batteries that I received is Xtar 18650 battery. Battery specifications:
- Model: 18650
- Nominal capacity: 2600mah
- Nominal voltage: 3.6V
- End of discharge voltage: 2.5V
- Max pulse discharge current: 35A
- Max continuous discharge current: 25A
- Charging temperature range: 0~60c
- Discharging temperature range: -40~60c
- Cycle life: 500 times
- Positive pole: Flat top
• Using internationally renowned brand NPE/Molicel batteries
• International Safety and Quality Certificates: RoHS, CE, FCC
On their website you can see that after the battery is cycle-used 500 times it's lifespan decreases only 20% or less, compared with other batteries whose lifespan decreases 40% or more.
About testing results, this battery has real 2600mah and max discharge current is 25A (constant).
XTAR INR18650 2600mAh 35A Vape Battery
Next battery is 20700 battery, specifications of the battery:
- Model: 20700
- Nominal capacity: 3000mah
- Nominal voltage: 3.6V
- End of discharge voltage: 2.5V
- Max pulse discharge current: 35A
- Max continuous discharge current: 30A
- Charging temperature range: 0~60c
- Discharging temperature range: -40~60c
- Cycle life: 500 times
- Positive pole: Flat top
On their website you can see that after the battery is cycle-used 500 times it's lifespan decreases only 20% or less, compared with other batteries whose lifespan decreases 40% or more.
About testing results, this battery has real 2964mah and max discharge current is 30A (constant).
XTAR INR20700 3000mAh 35A Battery For Vape Mods
Next battery is 21700 battery, specifications of the battery:
- Model: 21700
- Nominal capacity: 4200mah
- Nominal voltage: 3.6V
- End of discharge voltage: 2.5V
- Max pulse discharge current: 45A
- Max continuous discharge current: 30A
- Charging temperature range: 0~60c
- Discharging temperature range: -40~60c
- Cycle life: 500 times
- Positive pole: Flat top
On their website you can see that after the battery is cycle-used 500 times it's lifespan decreases only 20% or less, compared with other batteries whose lifespan decreases 40% or more.
About testing results, this battery has real 4145mah and max discharge current is 30A (constant).
XTAR INR21700 4200mAh 45A High Drain E-Cig Battery
Thanks Xtar
Considering that I am not expert for batteries, I will write here expert's conclusions.

One of the batteries that I received is Xtar 18650 battery. Battery specifications:
- Model: 18650
- Nominal capacity: 2600mah
- Nominal voltage: 3.6V
- End of discharge voltage: 2.5V
- Max pulse discharge current: 35A
- Max continuous discharge current: 25A
- Charging temperature range: 0~60c
- Discharging temperature range: -40~60c
- Cycle life: 500 times
- Positive pole: Flat top
• Using internationally renowned brand NPE/Molicel batteries
• International Safety and Quality Certificates: RoHS, CE, FCC
On their website you can see that after the battery is cycle-used 500 times it's lifespan decreases only 20% or less, compared with other batteries whose lifespan decreases 40% or more.
About testing results, this battery has real 2600mah and max discharge current is 25A (constant).
XTAR INR18650 2600mAh 35A Vape Battery


Next battery is 20700 battery, specifications of the battery:
- Model: 20700
- Nominal capacity: 3000mah
- Nominal voltage: 3.6V
- End of discharge voltage: 2.5V
- Max pulse discharge current: 35A
- Max continuous discharge current: 30A
- Charging temperature range: 0~60c
- Discharging temperature range: -40~60c
- Cycle life: 500 times
- Positive pole: Flat top
On their website you can see that after the battery is cycle-used 500 times it's lifespan decreases only 20% or less, compared with other batteries whose lifespan decreases 40% or more.
About testing results, this battery has real 2964mah and max discharge current is 30A (constant).
XTAR INR20700 3000mAh 35A Battery For Vape Mods


Next battery is 21700 battery, specifications of the battery:
- Model: 21700
- Nominal capacity: 4200mah
- Nominal voltage: 3.6V
- End of discharge voltage: 2.5V
- Max pulse discharge current: 45A
- Max continuous discharge current: 30A
- Charging temperature range: 0~60c
- Discharging temperature range: -40~60c
- Cycle life: 500 times
- Positive pole: Flat top
On their website you can see that after the battery is cycle-used 500 times it's lifespan decreases only 20% or less, compared with other batteries whose lifespan decreases 40% or more.
About testing results, this battery has real 4145mah and max discharge current is 30A (constant).
XTAR INR21700 4200mAh 45A High Drain E-Cig Battery


Thanks Xtar