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Rectangular black 3-cell lithium-ion laptop battery

Battery Technology Inc.

Battery Technology Inc. R73TC-BTI 11.4V 54Whr 3-Cell Laptop Battery

SKU CH-5CMN-FSZTZ MPN R73TC-BTI

11.4 V, 54 Whr lithium-ion pack with three cells fits Dell Latitude 3340 and 3440 models

  • Type3 Cell Lithium-Ion
  • Battery Type3 Cell Lithium-Ion
  • Delivers 54 Whr capacity for extended runtime
  • 4 V output matches original Dell specifications
  • Three-cell lithium-ion design balances weight and power
  • Compatible with Dell Latitude 3340 and 3440 models
  • Replaces OEM part numbers including 4MRP5 and 8GHCF

Battery for Dell Latitude 3340 and 3440

This 3-cell lithium-ion battery replaces the original pack in Dell Latitude 3340 and 3440 notebooks. It delivers 11.4 volts and 54 watt-hours of capacity. The part matches Dell numbers 4MRP5, 8GHCF, VX0CJ, TDKWD, TPJJ4, 7YN8G, 6R13F and V6PFC. It is a direct replacement for worn or failed original batteries.

Capacity and voltage limits

The 54 Whr rating sets the practical runtime ceiling for a single charge. The 11.4 V output is fixed by the three-cell lithium-ion chemistry and cannot be adjusted. Systems that require a higher voltage or a larger watt-hour pack will not operate correctly with this unit. Runtime varies with workload, screen brightness and power-management settings.

Build and daily handling

The pack uses a standard Dell slide-in form factor that locks into the battery bay without tools. A hard-shell casing protects the cells from flex and minor impacts during transport. The connector is keyed to prevent reverse insertion. No cables or external adapters are required for installation.

Highlights

  • Delivers 54 Whr capacity for extended runtime
  • 4 V output matches original Dell specifications
  • Three-cell lithium-ion design balances weight and power
  • Compatible with Dell Latitude 3340 and 3440 models
  • Replaces OEM part numbers including 4MRP5 and 8GHCF

Specifications

BrandBattery Technology Inc.
ModelR73TC-BTI
Part NumberR73TC-BTI
Type3 Cell Lithium-Ion
Battery Type3 Cell Lithium-Ion
Shipping weight0.45 kg
Package size279 × 127 × 44 mm

Questions about this item

What does the 54Whr rating mean for daily use?

The 54Whr capacity indicates the total energy the 3-cell lithium-ion pack stores, determining how long a compatible Dell Latitude 3340 or 3440 runs on battery before recharging.

Which Dell Latitude models does this 11.4V battery fit?

This R73TC-BTI battery is built for Dell Latitude 3340 and 3440 notebooks and matches Dell part numbers 4MRP5, 8GHCF, VX0CJ, TDKWD, TPJJ4, 7YN8G, 6R13F and V6PFC.

How does the 11.4V voltage affect compatibility?

The 11.4V output is fixed for this 3-cell lithium-ion design; it must match the voltage your Dell Latitude 3340 or 3440 expects, so verify your original battery shows the same rating before installing.

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