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Rectangular blue PVC-wrapped battery pack with wire leads and a compact wall charger with barrel connector

DUSLAN

DUSLAN 7.4V 2600mAh Li-Ion Battery Pack with Smart Charger

SKU CH-FFWW-24QM9

A 7.4 V 2600 mAh lithium-ion pack built from two 18650 cells with an integrated protection PCB and a multi-voltage smart charger included

  • Battery TypeBatteries & Chargers
  • 4 V 2600 mAh Samsung cells power devices longer
  • Built-in PCB guards against over-charge, over-discharge and short circuits
  • 2 A polyswitch limits discharge current and blocks reverse polarity
  • Smart charger accepts 100–240 V AC and delivers 8.4 V 1.2 A
  • Compact 2.8" × 1.45" × .8" pack weighs only 3.5 Oz

Battery Pack for Portable 7.4 V Devices

This DUSLAN pack uses two 18650 Samsung cells to deliver 2600 mAh at a nominal 7.4 V. It suits equipment that expects a 2-cell lithium-ion source with a 5.5 mm barrel connector. The bundle includes a multi-voltage smart charger and a clip adapter for quick bench testing.

Sustained Output with Built-In Protection

A 5 A PCB guards against over-charge above 8.4 V, over-discharge below 5.5 V and short circuits. A 4.2 A polyswitch caps continuous draw, so the pack maintains steady voltage under load without tripping. The charger supplies 1.2 A at 8.4 V, recharging the cells within a few hours from any 100–240 V mains supply.

5.5 × 2.1 mm Barrel Connector Decides Fit

The 4 ft 11 in lead ends in a 5.5 mm × 2.1 mm × 12 mm male barrel plug; the supplied adapter converts it to clips. Verify that your device accepts this exact connector and 7.4 V nominal input before purchase. Builders needing a different plug, higher voltage or greater capacity must source an alternative pack.

Highlights

  • 4 V 2600 mAh Samsung cells power devices longer
  • Built-in PCB guards against over-charge, over-discharge and short circuits
  • 2 A polyswitch limits discharge current and blocks reverse polarity
  • Smart charger accepts 100–240 V AC and delivers 8.4 V 1.2 A
  • Compact 2.8" × 1.45" × .8" pack weighs only 3.5 Oz

Specifications

Battery TypeBatteries & Chargers

Questions about this item

Does the 7.4 V 2600 mAh pack generate noticeable heat or noise when powering a device continuously for hours?

The pack has no fan or moving parts, so it runs silently. Its installed 5 A PCB and 4.2 A polyswitch limit current to protect the cells, which keeps temperature rise low during sustained loads up to the rated 4.2 A discharge.

What connector or cable must I already have to use the included smart charger with this battery?

The charger ends in a 5.5 × 2.1 × 12 mm male barrel plug on a 4 ft 11 in lead. A female 5.5 mm × 2.1 mm barrel jack on the device or an adapter is required to connect the charger output to the battery pack.

Will the charger work safely with older 7.2 V two-cell Li-Ion packs I already own?

Yes. The charger is designed for all 7.2 V (2-cell) Li-Ion packs and delivers 8.4 V at 1.2 A. Its 100–240 V AC input and 50/60 Hz rating let it operate worldwide without a separate transformer.

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