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Lithium ion battery pack 11.1V 18650 2500mAh

Model number: 11.1V 18650 2500mAh 3S1P

Nominal voltage: 3.7V

Nominal capacity: 2500mAh

Energy: 27.75Wh

Dimension: 18.5*68.0*55.5mm

Cell brand: SANYO

ModelSUJOR-3S1P ICR18650 2500mAh18.5*68.0*55.5mm
Nominal capacity2500mAhStandard discharge(0.2C5A)
after Standard charge
Nominal voltage11.1V
Cut-off charge voltage12.6V
Cut-off discharge voltage9.0V
Initial impedanceMax: 300mΩ
Standard Charge0.2C CC(constant current) charge to 12.6V,then
CV(constant voltage 12.6V)till current decline to ≤0.01C
Charge Time : Approx 7.0h
Max. Constant Charging Current2500mA(1.0C)
Standard DischargeDischarge at 0.2 C5A to 9V
Max. Continuous Discharging Current2500mA(1.0C)
WeightApprox: 135g
Operating TemperatureCharge       0~+45ºC

Discharge  -20~+60ºC
Storage Temperature-10~+55ºC≤1 month


Storage Humidity45-75%RH

Assembly schematic:

Lithium ion battery pack 11.1V 18650 2500mAh

Application field: Medical equipment, Balanced twist car, E-cigarette, Muti car jump starter, power bank, Auto cleaner, Torch, Flashlight, emergency lighting, laptop, solar board, ups power, smart phone, wireless microphone, MP3, Walk man, Cordless Phone, Notebook, Video Camera, Digital Camera, Digital Products, Portable DVD,Mobile Communication, Electronic Toys, Game Player, Solar LED light, Power tools, Light, E-bike, Military product, etc.

Main advantages:

● Extremely safe, low self-discharge and high consistency performance

● The battery has as long as 500cyle life. The capacity retention is about 70% after 500cycles.

● Wide operation temperature: -20ºC~+60ºC

● Reliable PCM system to protect the battery from over-charge and over-discharge.

Other keywords:

Lithium ion battery pack, lithium-ion battery pack, li ion battery pack, 18650 battery pack, customized lithium battery pack, li-ion battery pack, Medical battery


Q1: Do you accept customized?

A: Yes, we are professional customized lithium battery provider. Share us voltage vs capacity vs dimension you want.

Q2: When can you deliver products?

A:We can deliver in 10-12 working days if there is stock. For customized battery, it may takes longer.

Q3: Could you offer free sample to test?

A: In general, we offer it for new customer after they pay the sample fee, and we will refund the sample cost for them when massive order is confirmed..

Q4: How about the shipping?

A: We have some good cooperated forwarder who have much experience in shipping batteries. You could also use your own forwarder. It could be door to door express, by air or by sea.

Q5: How do you assure the quality?

A: There are at least five steps quality control reflected in R&D process, incoming control process, production process, prior-shipment control and after-sales service process. The company has more than 40 strictly trained personnel and advanced detection equipment to ensure the company products quality in the leading position in battery industry.

Technical Support: