11.1V 2600mAh 3S1P 18650 Lithium Battery

  • High energy density of 18650 lithium battery
  • Battery life cycle more than 500 cycles
  • Enhanced Protection Board and Custom Wire available
  • Rigorous testing to ensure the quality of all 18650 lithium batteries
  • 30% higher in battery capacity than lead acid batteries
  • MOQ 50 pcs with leading time only 3 days

11.1V 3500mAh 18650 3s1p Lithium Battery 

18650 Lithium ion batteries are thin, light and powerful. The output ranges from 12.6V when completely charged down to 9.0V(standard).

All of our 18650 battery packs come with or without pre-attached any connector like JST,XH,SH, NTC functions optional, as well as necessary protection circuitry.

Cell Type: 18650 Cylindrical Lithium Battery
Voltage(V): 11.1V
Nominal Capacity(mAh): 3500mAh
Standard Charge Current: 0.2C/0.5C
Standard Discharging Current: 0.2C/0.5C
Max Discharge Current: 1C (can be continuous)
Charge Temperature(℃): 0~55℃
Discharge Temperature(℃): -20~65 ℃
Storage Temperature(℃): -20~45 ℃
Impedance: <40mΩ
Weight: 158g
Lifetime: 500 cycles

Battery  Dimension: 75*30*75 mm (By Thickness*Width*Length):
Cable Length (Default): 100mm

Standard battery comes with PCM and wire and connector.

PCM Details:
Standarded PCM: protect the lipo battery from overcharging, over-discharging,short-circuit and reverse polarity.

Over Charge Protection
Over charge detection voltage: 12.8±0.05V
Over charge detection delay time: 1.0±0.3S
Over charge release voltage: 12.05±0.05V
Over discharge protection
Over discharge detection voltage:8±0.1V
Over discharge detection delay time:20±6.0mS
Over discharge release voltage:9.0±0.075V
Over current protection
Over current detection voltage:12±0.015V
Over current detection current: 3.0~6.0A
Detection delay time:12±4.0mS
Release condition: Cut load
Short Circuit Protection
Detection condition: Exterior short circuit
Detection delay time: 230~500uS
Release condition: Cut short circuit
Interior resistance
Main loop electrify resistance: VC=12.6V;RSS≤70mΩ
Current Consumption
Current consume in normal operation: 4.0μA Type 8.0μA Max

Connector Types:

JST, Molex, Hirose etc

lipo battery connector

lithium battery collection

lithium battery collection




Q: How do we place an sample order?
A: Please kindly send us your lithium battery requirement
1 Battery dimension
2 Battery capacity
3 Battery discharging current
4 Potential bulk order quantity
and we will find the most suitable solution for you, you can then pay us by PayPal or Credit card.

Q: What is your MOQ?
A: 50 PCS per design.

Q: What’s the delivery time?
A: The delivery time is 7-15 days after your payment.
Below is timeline for your refrencer

USA: 5-8 days
EU/UK: 7-10 days
AU/New Zealand: 5-8 days
Canada: 15days
Japan/Korea/Singapore/Malaysia: 3-4 days

Q: How would the 18650 batteries be shipped?
A: We ship via UPS, DHL, FedEx for urgent orders, and most of our clients would choose to ship by air and local Fedex or UPS to save cost .

Q: Can I track my shipment?
A: Yes, we will send you the tracking No. after the lithium battery order is shipped.

Q: Can you make customized 18650 battery?
A: Yes, we can custom 18650 battery as per your design. Mainly like follows
1 Custom battery dimension
2 Custom battery capacity
3 Custom battery discharging current(up to 20C)
4 Custom battery PCM, like NTC or other features
5 Custom battery discharging temerature as lower as -60°C
6 Custom 18650 battery shape

Q: What is the lead time for mass production?
A: It depends on the actual situation: if with stock, the lead time will be 7~10 days.
If without stock, that will depend on your order quantity, usually within 15-30 days.

Q: Is there any warranty or after-sales service?
A: 15 months warranty against defective 18650 batteries,starting from shipping date.

Q: Can you explain more on how would you warranty your lithium Battery?
A: For each battery shipment, we have SN or production number with it, once defective within 15 months, we will send new replacement or refund for the defective part.

Q: How do we make the payment?
A: We accept T/T, Western Union, PayPal, if you prefer other payment, please contact us.

Q: Can we get some 18650 lithium Battery samples for test?
A: Sure, we can make 18650 Battery Samples for you.

Q: Can your factory print our logo/brand on the lithium battery?
A: Yes, and we will do this free of charge.

Additional information

Nominal Voltage


Charging Voltage


Nominal Capacity


Charging Current


Discharging Current

0.2C/0.5C Or 1C max





Connector Type

JST/Molex etc or Flying leads

Wire Gauge

AWG 16-26, 100mm default

Operating Temperature

Charge: 0°C ~ 45°C, Discharge: -20°C ~ 60°C

Storage Temperature

-20°C ~ 45°C


50pcs per model

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