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18650 3.7V 2600mAh rechargeable li ion battery cell

★ Battery Type: Li ion battery

★ Model: 18650

★ Voltage: 3.7V

★ Capacity: 2600mAh

★ Size: 18*65mm（Dia*Height）

★ Brand: HWE, Howell

★ OEM&OEM: Yes

Product Parameters

Product Models

Customization Support

Battery Type	Li ion
Norminal Voltage	3.7V
Norminal Capacity	2600mAh
Energy	9.62Wh
Standard charge	0.2C
Standard discharge	1.0C
Charge voltage	4.2±0.03V
Voltage at end of discharge	2.75V
Charge temperature	0-45℃
Discharge temperature	-20-60℃
Size	18*65mm
Rough weight	45g
Cycle life	1000 times

Related Hot Product

Rechargeable Lithium ion (Li-ion) battery have a negative electrode (anode) made from lithium compounds. Lithium is a highly reactive material and is much lighter than the hydrogen-absorbing metal alloy of the NiMH negative electrode. This leads to higher gravimetric energy densities for the Li-Ion cell. Cells can stay in storage for 12 months without requiring maintenance. The expected cycle life of a Li-Ion in an application is about 1000+ cycles,

Product Models List

Below are some our mature battery cell models.

Model	Battery Material	Nominal Voltage	Nominal Capacity	Life Cycles	Maximum Charge Voltage	Cut-off Discharge Voltage	Battery weight (Approx)	Measurement *(φH)**
HWE-L14500	Li-ion	3.7V	800mAh	≥1000	4.2V	2.75V	18.0g	14×50mm
HWE-L18500	Li-ion	3.7V	2000mAh	≥1000	4.2V	2.75V	35.0g	18×50mm
HWE-L18650	Li-ion	3.7V	2200mAh	≥1000	4.2V	2.75V	43.0g	18×65mm
HWE-L18650	Li-ion	3.7V	2600mAh	≥1000	4.2V	2.75V	44.5g	18×65mm
HWE-L18650	Li-ion	3.7V	3000mAh	≥1000	4.2V	2.75V	46.0g	18×65mm
HWE-L18650	Li-ion	3.7V	3500mAh	≥1000	4.2V	2.75V	50.0g	18×65mm
HWE-L21700	Li-ion	3.7V	4500mAh	≥1000	4.2V	2.75V	67.0g	21×70mm
HWE-L26650	Li-ion	3.7V	5000mAh	≥1000	4.2V	2.75V	85.0g	26×50mm
HWE-L32650	Li-ion	3.7V	6500mAh	≥1000	4.2V	2.75V	132g	32×65mm
HWE-L4680	Li-ion	3.7V	26Ah	≥1000	4.2V	2.75V	355g	46x80mm
HWE-L46950	Li-ion	3.7V	32Ah	≥1000	4.2V	2.75V	421g	46x96mm

Product Application

Our batteries can be used in various electronic products, including industrial products, such as Bluetooth speaker, Auto electronics, GPS, Digital products, Portable DVD, Tablet PC, POS terminal, PDA, Two way radio, Power bank, RC toys, Medical device, Electric bike, Electric scooter, Solar Street Light, Security Products, Solar&wind Energy Storage System, etc.

Product Certification

Howell batteries have been approved by a series certificates such as UL, CB, IEC62133, UN38.3, CE, Rohs, Reach, EU, BIS, KC, 3C, BSMI, PSE, CTIA, UKCA, WERCS and so on, they are reliable and gurananteed.

Product Shipping

Howell batteries can be used in various electronic products, including industrial products, such as Bluetooth speaker, Auto electronics, GPS, Digital products, Portable DVD, Tablet PC, POS terminal, PDA, Two way radio, Power bank, RC toys, Medical device, Electric bike, Electric scooter, Solar Street Light, Security Products, Solar&wind Energy Storage System, etc.

Move beyond standard batteries that force you to compromise. We specialize in fully customizable battery solutions engineered to fit your exact specifications.

Whether you need a precise form factor to slip into an innovative design, unique voltage and capacity for peak performance, or specialized connectors for seamless integration—we make it possible. From compact wearables to robust industrial equipment, our engineering team collaborates with you to develop a battery that powers not just your device, but your ambition.

Ready to Power Your Unique Project? Contact our technical team today to start your custom battery solution.

Customize your Battery

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