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Blue rectangular PVC-wrapped battery pack with wire leads

DUSLAN

DUSLAN 11.1 V Li-Ion Battery Pack 3500 mAh 3×18650 with Protection IC

SKU CH-2EPG-D8MMR

An 11.1 V lithium-ion pack of three 18650 cells delivers 3500 mAh with a built-in protection IC that guards against over-charge, over-discharge and short circuits

  • Battery TypeBattery Pack
  • 3500 mAh capacity powers devices longer
  • 1 V working voltage suits many 3S applications
  • Built-in protection IC guards against over-charge, over-discharge and short circuits
  • Three 18650 cells in a 70 mm × 55 mm × 18 mm PVC-wrapped pack
  • Light 5.3 oz weight with no memory effect for easy storage

DUSLAN 11.1 V Li-Ion Battery Pack

This 11.1 V lithium-ion pack uses three 18650 cells to deliver 3500 mAh capacity. A built-in protection IC guards against over-charge above 12.6 V, over-discharge at 4.0 A and short circuits. A 4.2 A polyswitch limits peak discharge current and protects against reverse polarity. The module is wrapped in PVC shrink with 22 G wire leads for direct connection.

Installation notes for the 3500 mAh pack

The pack measures 2.75" by 2.17" by .8" and weighs 5.3 Oz, so it fits many custom enclosures. Solder or crimp the 22 G leads to your device; no connector is pre-fitted. Observe the 2.1 A maximum charging current and 7.5 V cut-off voltage to avoid triggering the protection circuit. Polarity reversal will trip the polyswitch, requiring a reset before reuse.

Suitable projects and limits

This pack suits portable equipment, robotics or LED lighting that runs on 10.8–11.1 V nominal and draws up to 4.2 A. Builders needing higher capacity, a different voltage or a pre-wired connector should look at other options. The fixed 4.2 A discharge limit also rules out high-current motor or inverter loads.

Highlights

  • 3500 mAh capacity powers devices longer
  • 1 V working voltage suits many 3S applications
  • Built-in protection IC guards against over-charge, over-discharge and short circuits
  • Three 18650 cells in a 70 mm × 55 mm × 18 mm PVC-wrapped pack
  • Light 5.3 oz weight with no memory effect for easy storage

Specifications

Battery TypeBattery Pack

Questions about this item

How do I confirm the pack is healthy after first charge?

Measure the voltage with a multimeter; a fully charged pack should read about 12.6 V and should not drop below 7.5 V under load.

What does the package include and what must I source myself?

The pack comes with 22 AWG wire leads already attached; you will need a compatible 11.1 V Li-Ion charger and any connector or housing your device requires.

Which capacity should I pick for longer runtime?

This model is offered as a single 3500 mAh configuration built from three 18650 cells; choose it when you need the maximum capacity this form factor provides.

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