3.7 Volt Li-ion Samsung 18650 Rechargeable Battery 2500mAh

3.7 Volt 18650 Battery 2500mAh:

1. voltage:3.7V

2. capacity: 2500mah (or OEM)

3. size: 18*65mm (or OEM)

4. type: lithium ion battery, li-ion battery

Product Details

3.7 Volt Li-ion Samsung 18650 Rechargeable Battery 2500mAh Details

I. Battery Specification: 3.7 volt 18650 Battery 2500mah





Nominal Capacity



Minimum Capacity



Nominal Voltage



Cut-off voltage:



Standard charge:

CC/CV,1.25A,4.2±0.05v, 125mA cut-off


Rapid charge:

CC/CV, 4A,4.2±0.05v, 100mA cut-off


Charging time:

stand charge: 180min/125A cut-off Rapid charge: 60min(at25℃)/100mA cut-off


Open Circuit Voltage:



Load Voltage (33Ω):



Discharge cut-off voltage:



Charge voltage:



Max. Continuousdischarge current:

20A (at 25℃),60% 250 cycle


Operating Temperature: (Surface temperature)

Charging : 0~50℃ (recommend recharge release <45℃)

Discharging : -20~75℃ (recommend re-discharge release <60℃)


Storage Temperature:

1.5 year -30℃~25℃3months -30℃~45℃1month -30℃~60℃



45g max

II. Battery Cell Size: 3.7 volt 18650 Battery 2500mah

III. Connection Between Battery Cells: 3.7 volt 18650 Battery 2500mah

        * during assemble or disassemble process, this battery cell could not be solder with or connect to other brand cells, otherwise, it may cause component inside broken, such as battery isolate foil with current inside passing by.

IV. Proper Battery Cells Space: 3.7 volt 18650 Battery 2500mah

* to give a good performance after assemble, battery cells space should be make sure 1mm above so as to give a proper heat dissipation when large current passing by.

V. Battery Charger Selection: 3.7 volt 18650 Battery 2500mah

*each lithium battery / battery pack should be designed to be connected only to the specified charger and system

VI. Safety Test of 18650 Battery:3.7 volt 18650 Battery 2500mah

VII. Shipping reference:  3.7 volt 18650 Battery 2500mah

  • 1.By express: DHL/UPS/ TNT, 3-7 days arrived, door-to-door service;

  • 2.Via air cargo: 5-7 days arrived appointed airport;

  • 3.Via sea shippment, 10-30days arrived appointed seaport, the cheapest way above all.

VIII. Trade Details: 3.7 volt 18650 Battery 2500mah

1) MOQ: small order acceptable

2) Payment terms: paypal (<900usd), T/T (wire transfer >900usd), WU

3) Delivery: 7-10days after received your payment, door-to-door service

IX. Our Service:

X. Why Choose SNL company to supply battery?

SNL company is working on high quality 18650 batteries for a long time, including Samsung, LG, Panasonic. We are appreciated we have the honor to serve FYRON medical device manufacturer for more than 3 years so far. We are going to have an auto-production line. That will give us a more accurate matching on consistency for each 18650 cell. Also it saves much labor cost and much quicker. That would give our customer a better experience in many aspects, like quality and shorten the lead time.

The most important of all, QUALITY IS OUR CULTURE!

Any further inquiry will get our highly attention. Thank you for your time!

Looking forward to cooperate with you to make your customers love your brand!

Contact: Doris

Tel: +86 186 6567 6364

Email: info@sinoli-batteries.com

Skype: dorisluo2012

Whatapp: +8618665676364

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