Description

11.1V 2600mAh 3S1P 18650 Battery Pack Manufacturer in China

Apsenx 3S1P 11.1V lithium battery pack uses high-quality 18650 cells, real capacity, and steady performance. Even after 300 cycles, it still keeps around 80% of its original capacity. Low self-discharge means you can leave it on the shelf for months without worrying it won’t charge again.

This 11.1V 2600mAh 18650 battery pack is used in devices that need a stable and compact power source.

The 3S1P structure keeps the output steady, which makes it suitable for many small electronic products and custom equipment.

We are a battery pack manufacturer in China, and most of our customers buy this model for OEM projects or wholesale supply.

Specification	Details
Model	Apsenx-18650-3S1P
Cell Voltage	3.7V
Battery Pack Voltage	11.1V
Voltage Range	8.1V – 12.6V
Cell Capacity	2600mAh
Battery Pack Capacity	2600mAh
Power	24.42Wh
Battery Pack Size	67 × 56 × 40 mm
Cycle Life	>1000 cycles

Where It Is Used

Medical Devices
We use this battery in portable medical devices that need stable power during use.

Electronics
It works in small handheld products like testers, speakers, and monitoring tools.

Industrial Use
It also goes into some custom equipment where space is limited but power still needs to stay stable.

---

Custom Service

We don’t treat this as a fixed product. Most orders are made based on customer requirements.

We can change connectors like JST, Molex, or DC plug. Wire length and thickness can also be adjusted. If needed, we can add protection boards (BMS / PCM), and also support changes in structure or labeling.

If you already have drawings or a clear idea, we can follow that for production.

---

Wholesale Supply

MOQ is usually 100 pcs.
Samples can be provided before bulk order.
Lead time is around 2 to 4 weeks depending on quantity.
We ship directly from our factory in China and support OEM and long-term supply.

We also handle overseas shipping.

---

FAQ

What does 3S1P mean?
It means 3 cells in series and 1 in parallel, which gives 11.1V output.

Can it be customized?
Yes, we can adjust most parts depending on your needs.

Do you accept bulk orders?
Yes, most of our customers are wholesale and OEM buyers.

How long does it last?
Usually around 500–800 cycles, depending on usage.

 

 

​