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Rectangular black laptop battery with six cells and label showing 5800mAh

Total Micro Technologies

Total Micro Technologies 312-1439-TM 5800mAh 6-cell laptop battery

SKU CH-HDAW-7J5K8 MPN 312-1439-TM

6-cell lithium-ion replacement battery delivering 5800mAh capacity for extended notebook runtime

  • Battery typeLithium-Ion
  • Product typeConsumer Electronics
  • 5800mAh capacity powers your laptop longer
  • 6-cell lithium-ion design meets OEM specifications
  • Total Micro premium cells deliver reliable performance
  • Direct replacement for Dell part 312-1439-TM
  • New battery restores full portable runtime

Direct replacement for Dell laptops

This Total Micro Technologies battery replaces the original pack in compatible Dell notebooks. It uses lithium-ion chemistry and delivers 5800 mAh across six cells. The unit is brand new and built to match the OEM specifications for capacity and cycle life. Buyers who need a higher-capacity alternative or a different form factor should look elsewhere.

Drop-in fit with no extra hardware

The pack slots into the existing battery bay using the original latch and connector. No adapters, cables or firmware updates are required for installation. It draws power from the laptop’s own charging circuit exactly as the factory unit did. Systems that use a proprietary authentication chip not covered by this model will not recognise the battery.

Ready to use without software

The package contains only the battery itself; no drivers, utilities or calibration tools are bundled. The operating system reports charge status through its standard power-management interface. Users who expect a vendor-specific health monitor or discharge-profile editor will not find one included.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $98.99
Pricier than about 90% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameTotal Micro Technologies
Product typeConsumer Electronics
Power
Battery typeLithium-Ion
Size & build
Shipping weight0.45 kg
Package size229 × 145 × 69 mm

Questions about this item

How long will the 5800mAh capacity last under continuous heavy load?

The 5800mAh rating reflects total charge capacity; actual runtime under sustained heavy load depends on the specific laptop's power draw and workload intensity.

Does the 6-cell lithium-ion pack run hot or noisy during all-day use?

Lithium-ion cells generate minimal heat and no audible noise; the pack relies on the laptop's internal thermal management for cooling during extended operation.

Which Dell laptops is the 312-1439-TM model compatible with?

This battery is engineered as a direct replacement for specific Dell models; verify your laptop's original part number against 312-1439-TM before purchase.

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