Long Cycle Life Best Battery 18650 Rechargeable Battery 3.7v 3000mAh 3500mAh Li-ion Batteries
|Charging Voltage||4.2 ±0.05 V|
|Charging Method||CC-CV (0.5C, 4.2V,0.05C cut-off|
|Standard Charge Current||0.5 C|
|Discharge Cut-off Voltage||2.75 ± 0.05 V|
|Maximum Continuous Charging Current||2C (Not for cycle life )|
|Maximum continuous discharge current||10A@RT|
|Max pulse discharge current (<1s)||15A@RT|
|Internal Resistance||＜28 mΩ(ACIR)|
|Operating Temperature||Charge：0 to 50°CDischarge：-20 to 60°C|
|Cell Dimension||Height：64.95mm±0.20 mmDiameter：18.25 mm±0.20 mm|
|Storage Environment||1 year：-20~25℃ ≤70%RH3 months：-20~45℃ ≤70%RH1 month：-20~55℃ ≤70%RH|
Q: Is the freight on the website accurate?
A: Please contact us before you order, the default freight on the websiteisbasically calculated according to the usual airfreight price, different countries, different order weight, different freight. Please contact us in time, we will provide you with the best shipping way and accurate freight.
Q: Does the shipping way to our country include tax?
A: It depends on the country and the shipping way you choose. Most Asian countries, most European countries, the United States,and Canada have tax-included shipping channels.
Q: Why the transportation time is so long and the tracking number not updated in nearly a month?
A: As you know, the battery (especially the high-power battery) is special commodity, the terms of transportation are very strict.
We transit our products by formal DG logistic channel, it is more slowly than the normal logistic, because it needs wait the DG ship/train schedule. Due to the particularity of the product and logistic, the tracking number we provide will not updated before the goods passes the customs in your country. Don't worry, your goods is still in normal transit. When the goods passes through the customs in your country, the tracking information will updated, and you will receive it within 3-5 days.
Q: Is this product safe?
A: Passed the overcharge, over discharge, over temperature, short circuit, acupuncture and other safety tests, no fire, no explosionatany circumstance.
Q: How to confirm the high quality of the product you sent me?
A: Our batteries are all grade A, No matter how many you order, we will test each product before sending out.
Q: The battery is so heavy, will it damaged easily on the road?
A: This is also a matter of great concerm to us. After long-term improvement and verification, our packaging is now very safe and reliable. When you open the package, you will definitely feel our sincerity.
Q: Is it OK to print my logo on the product?
A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.