New Lithium battery?

[scselt]

Hey guys. I have been eyeing this battery up. Specs and warranty look great if true. Battery is a 105ah, 200 BMS, 400amps 30 seconds and 600 for 3 secs. Metal case with new grade a eve cells.Anybody heard of this company that claims to be in business for 10 years?

https://www.techcellapower.com/

[jasonojordan]

Looks like the same design as the rest of the alphabet soup companies out there.

[scselt]

Looks like a Vatrer which is a very good battery.

[StanMI]

That's what I said when I saw the website. $600 cheaper. I can understand a little less but for that much difference ................something is cheaper.........

[scselt]

Originally Posted by StanMI

That's what I said when I saw the website. $600 cheaper. I can understand a little less but for that much difference ................something is cheaper.........

Yea I sent a message to them to see a picture of the inside but I bet they wont bother. I agree for the price something is amiss. I have seen the Vatrer battery in person its a nice piece. Says the same cells but dont know for sure.

[scselt]

They got back to me. Sent me a photo also. Looks good inside. Clean build. Same JBD BMS. Does have new EVE cells. Laser welded buss bars.

[Capt. Lenny]

So here are the specs right from the EVE website. Now tell me how these Chinese companies can overstate the specs above what the manufacturer does. Shows 1C (105amps) continuous and a 3C (315 amps) for 30 seconds

Model
EVE LF-105
Certification
UL
Battery Type (Chemical Composition)
LiFePO4 (Lithium Iron Phosphate)
Nominal Capacity
105Ah
Nominal Voltage
3.2V
Cycle Life
3500 times(with clamp)
Dimensions: Height(no pole)×Width×Thickness
200.5(195.5)×130.3×36.7mm remark: ±0.5mm
Battery Weight
1980g remark: ±100g
AC Impedance Resistance
≤0.5mΩ
Standard charge and discharge Charge/Discharge Current
0.5C/0.5C
Standard charge and discharge Charge/Discharge Cut-off Voltage
3.65V/2.5V
Continuous Charge/Discharge Current
1C/1C
Pulse Charge/Discharge Ccurrent（30s）
1C/3C
Recommended SOC Window
10%～90%
Charging Working Temperature
0℃～55℃
Discharging Working Temperature
-20℃～55℃

[scselt]

Originally Posted by Capt. Lenny

So here are the specs right from the EVE website. Now tell me how these Chinese companies can overstate the specs above what the manufacturer does. Shows 1C (105amps) continuous and a 3C (315 amps) for 30 seconds

Model
EVE LF-105
Certification
UL
Battery Type (Chemical Composition)
LiFePO4 (Lithium Iron Phosphate)
Nominal Capacity
105Ah
Nominal Voltage
3.2V
Cycle Life
3500 times(with clamp)
Dimensions: Height(no pole)×Width×Thickness
200.5(195.5)×130.3×36.7mm remark: ±0.5mm
Battery Weight
1980g remark: ±100g
AC Impedance Resistance
≤0.5mΩ
Standard charge and discharge Charge/Discharge Current
0.5C/0.5C
Standard charge and discharge Charge/Discharge Cut-off Voltage
3.65V/2.5V
Continuous Charge/Discharge Current
1C/1C
Pulse Charge/Discharge Ccurrent（30s）
1C/3C
Recommended SOC Window
10%～90%
Charging Working Temperature
0℃～55℃
Discharging Working Temperature
-20℃～55℃

Every company that sells these 105 eve cell batteries claim 2c discharge even Vatrer. Something smells. Dont all lithium cells come from China?

[Capt. Lenny]

Any Chinese battery company that overstates what the cell manufacturer (EVE in this case) states sounds fishy in my opinion.

[scselt]

Well I emailed Vatrer and asked them about EVE cells and there specs and they did not answer the question. They just said you can buy with confindence.