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Rectangular 4-cell lithium-ion notebook battery, dark plastic casing, label with model 312-1387-TM

Total Micro Technologies

Total Micro Technologies 312-1387-TM 2900 mAh Li-Ion notebook battery

SKU CH-APGP-NX83M MPN 312-1387-TM

A 2900 mAh lithium-ion notebook battery compatible with Dell Inspiron, Latitude and Vostro models

  • TypeConsumer Electronics
  • 4-cell 2900 mAh capacity keeps notebook running longer
  • Lithium-ion chemistry delivers reliable recharge cycles
  • Proprietary size fits listed Dell Inspiron, Latitude and Vostro models
  • WEEE certification confirms environmentally responsible disposal
  • Lightweight 8 oz design adds minimal bulk to bag

Compatible Dell Notebook Battery

This Total Micro Technologies 312-1387-TM battery replaces the original power source for listed Dell Inspiron, Latitude, and Vostro notebooks. It is a 4-cell lithium-ion unit rated at 2900 mAh and weighs approximately 8 oz. The part is new and meets or exceeds OEM specifications for the designated models.

Straightforward Installation

The battery uses a proprietary form factor designed to fit the specific Dell chassis without adapters. Alignment tabs match the original battery bay, so the pack seats securely on the first attempt. No tools are required beyond the standard latch release. The only common issue is inserting the pack upside-down, which prevents the latch from engaging.

2900 mAh Capacity Determines Runtime

The 2900 mAh rating is the single figure that defines how long the notebook runs on battery power. If your workload demands longer unplugged sessions, this capacity may fall short. Buyers who need extended runtime should verify the original battery's rating before purchasing this replacement.

Points forts

  • 4-cell 2900 mAh capacity keeps notebook running longer
  • Lithium-ion chemistry delivers reliable recharge cycles
  • Proprietary size fits listed Dell Inspiron, Latitude and Vostro models
  • WEEE certification confirms environmentally responsible disposal
  • Lightweight 8 oz design adds minimal bulk to bag

Caractéristiques

BrandTOTAL MICRO TECHNOLOGIES
TypeConsumer Electronics
Poids d’expédition0.36 kg
Dimensions du colis330 × 102 × 76 mm

Questions sur cet article

How do I confirm the 312-1387-TM battery is working after installing it in my Dell Inspiron?

The notebook should power on and charge normally; the OS battery gauge will show the 2900 mAh capacity and report the pack as healthy.

What comes with the 312-1387-TM and what must I source separately?

The box contains the 4-cell lithium-ion pack only; no tools, screws or cabling are included.

Which capacity version of the 312-1387-TM should I choose for a Dell Latitude 3440?

This model is offered in a single 2900 mAh version, which is the correct replacement for the Latitude 3440.

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