10.8V 3500mAh 18650 Battery Pack for Smart Furniture and Critical Emergency Systems

10.8V Max 3500mAh 3S1P 18650 Battery Pack with PCB

Engineered to meet the distinct demands of modern smart furniture and critical emergency systems, this 10.8V 3500mAh 3S1P battery pack delivers durable, stable power in a compact and safe design. Integrated with a smart PCB for protection and powered by high-performance 18650 cells, it ensures your devices operate smoothly and dependably when it matters most.

High capacity 11.1V 3500mAh 3S1P 18650 Battery Pack

Key features:

  • Stable 10.8V Output, 3500mAh Capacity
  • 3S1P Configuration with Samsung 35E 18650 Cells
  • Integrated PCB for Over-Current, Over-Voltage & Short-Circuit Protection
  • Ideal for Smart Furniture, Emergency Lighting, and Various Low-Power Devices
Request-a-Quote-1

10.8V 3500mAh 18650 Battery Pack Parameter

No. Item Specification Note
1 Nominal Voltage 10.8V 3.6V/Cell
2 Nominal Capacity 3500mAh @0.2C
3 Minimum Capacity 3400mAh
4 Shipment Voltage /
5 Initial Internal Impedance ≤120mΩ AC 1KHZ
6 Standard Charge Voltage 12.6V 4.2V/Cell
7 Standard Charge Current 700mA
8 Max. Charge Current 3500mA
9 Standard Discharge Current 700mA
10 Max. Discharge Current 7A
11 Burst Discharge Current 10.5A ≤5ms
12 Discharge Cut-off Voltage 7.5V 2.5V/Cell
13 Cycle Life ≥500cycles Capacity retention ≥80%
14 Charge Temperature 0°C~+45°C Standard charge
15 Discharge Temperature -20°C ~+60°C Standard discharge
16 Storage Temperature -20°C~45°C ≤3 months
-20°C~25°C ≤1 year
17 Weight About 135 g
18 Special Request

10.8V 3500mAh 18650 Battery Pack FAQs

What is the typical application of this battery pack?

This 11.1V 3500mAh battery pack is widely used in smart furniture (such as electric sofas, adjustable beds, and smart cabinets) and emergency lighting systems. It also suits various low-power devices requiring stable voltage and compact design.

What type of cells are used in the pack?

We use high-quality 18650 lithium-ion cells from internationally recognized brands (such as Samsung or LG), configured in a 3S1P arrangement to ensure high energy density, stable discharge performance, and long service life.

Is the battery pack equipped with protection functions?

Yes. The built-in Protection Circuit Board (PCB) provides comprehensive safety features, including over-charge, over-discharge, over-current, and short-circuit protection, ensuring safe and reliable operation in various conditions

Tailored Customization

Our design team can create custom battery designs for just about any device or machine.

Timely Delivery

Our efficient production and distribution process gets your product delivered in a timely manner.

Quality Guarantee

We stand by our products and guarantee you’ll be happy with your purchase.