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Black rectangular laptop battery with four cells, 14.8V 40Wh capacity

2-Power 3451 laptop battery 14.8V 40Wh 4-cell black

SKU CH-75W5-HDZQE

Replaces Dell Inspiron 14, 15 and 17 series batteries with a 14.8 V 40 Wh 4-cell lithium-ion pack

  • Battery typeLithium-Ion
  • Battery voltage rating20 V
  • Power adapter voltage20 V
  • Power adapter wattage100 W
  • Measurements14.33 in W × 12.83 in H × 9.06 in D
  • Product colorBlack
  • Reliable power for many Dell Inspiron models
  • 4-cell lithium-ion design delivers 40 Wh capacity
  • 8 V output matches original battery specification
  • Rated for 500 recharge cycles for long service life
  • Replaces OEM part numbers including M5Y1K and GXVJ3

Direct replacement for Dell Inspiron and Latitude

The 2-Power 3451 is a new lithium-ion battery rated at 14.8 V and 40 Wh across four cells. It matches part numbers such as M5Y1K, GXVJ3, HD4J0, K185W, WKRJ2, VN3N0 and 78V9D. Compatible models include Inspiron 14 3000 and 5000 series, Inspiron 15 3000 and 5000 series, Inspiron 17 5000 series, Vostro 3458 3459 3558 3559 and Latitude 3460 3560.

Fits the existing battery bay without extra parts

The pack slides into the standard compartment on the listed Dell notebooks and connects to the motherboard header used by the original cell. No adapter, cable or firmware update is required. The 100 W AC adapter rated at 20 V continues to charge the battery through the laptop’s own power circuit. Buyers who need a higher-capacity pack or a different voltage will not be served by this unit.

Rated for 500 recharge cycles under normal use

Capacity is specified at 40 Wh with a 2200 mAh cell rating, delivering consistent run-time across the cycle life. The lithium-ion chemistry maintains stable voltage during extended sessions rather than dropping off after a short burst. The black casing measures 14.33 in wide, 12.83 in high and 9.06 in deep and weighs 0.62 lb.

How it compares

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

Price $32.99
Pricier than about 57% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand name2-Power
Model name3451
Part number3451
Product colorBlack
Power
Battery typeLithium-Ion
Battery voltage rating20 V
Power adapter voltage20 V
Power adapter wattage100 W
Size & build
Measurements14.33 in W × 12.83 in H × 9.06 in D
Product weight0.62 lb (0.28 kg)

Questions about this item

How long does the 40 Wh capacity last before the 4-cell lithium-ion pack hits its 500-cycle limit?

The 14.8 V 40 Wh pack is rated for about 500 full recharge cycles before capacity drops noticeably.

Does the battery run hot or draw extra power during all-day use?

It operates at the standard 14.8 V with no active cooling, so heat and power draw stay within normal laptop limits.

Which Dell laptop models must I already own for this 3451 battery to fit?

It replaces the M5Y1K pack in Dell Inspiron 14 3000/5000, 15 3000/5000, 17 5000, Vostro 3458/3558 and Latitude 3460/3560 series.

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