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Rectangular black lithium-polymer laptop battery, 64WH 7.6V

KingSener

KingSener 5TF10 64WH 7.6V laptop battery

SKU CH-B2D8-1XGPQ MPN 5TF10

Replacement 64 Wh 7.6 V lithium-polymer battery for Dell Precision 7530, 7540, 7730 and 7740 series notebooks

  • Battery voltage rating7.6 V
  • Battery capacity64WH
  • 64WH capacity extends runtime between charges
  • 6V lithium-polymer chemistry matches original specification
  • Replaces Dell part numbers 5TF10 RY3F9 0RY3F9 7M0T6 GHXKY 05TF10
  • Fits Precision 7730 7740 7530 7540 and P34E P74F series
  • Brand-new replacement battery ready for immediate installation

Replacement battery for Dell Precision 7730 and 7740

This KingSener 5TF10 unit is a brand-new lithium-polymer battery rated at 64WH and 7.6V. It replaces Dell part numbers 5TF10, RY3F9, 0RY3F9, 7M0T6, GHXKY and 05TF10. The pack fits Dell Precision 7730, 7740, 7530, 7540, P34E and P74F series notebooks. Buyers with other Dell models or non-Dell laptops cannot use this battery.

Thermal and power behaviour in daily use

The 64WH capacity supplies the same voltage and energy as the original Dell battery for typical workloads. Lithium-polymer cells maintain stable output during normal operation and the pack is designed to fit the existing chassis without modification. No active cooling or external power adapter changes are required.

Decisive specification: 64WH at 7.6V

Capacity and voltage together determine whether this part matches the original Dell specification. The 64WH 7.6V rating must match the label on the battery being replaced; a different watt-hour or voltage value means the pack will not work correctly.

How it compares

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

Price $36.99
Pricier than about 66% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameKingSener
Model name5TF10
Part number5TF10 RY3F9 0RY3F9 7M0T6 GHXKY 05TF10
Power
Battery voltage rating7.6 V
Battery capacity64WH

Questions about this item

How do I install the 7.6V 64WH battery in my Dell Precision 7730 and what step is often missed?

Power off the laptop, remove the base cover, disconnect the old pack, connect the new 5TF10 battery, then secure the cover; the step often missed is forgetting to unplug the AC adapter before opening the case.

What maintenance or replacement will the Li-polymer 5TF10 battery need later?

The 64WH pack is sealed and maintenance-free; replacement is needed only when run-time no longer meets your workload, at which point you swap in another new 5TF10 unit.

What limit appears first on the 7.6V battery during sustained heavy use on a Precision 7540?

The 64 watt-hour capacity sets the runtime ceiling; under continuous high load the charge depletes faster than the cooling system can sustain peak performance.

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