Dell E6400 Battery 12 Cell

Updated July 3, 2026

Overview

Product sourcing insights & recommendations

23 来源

The Dell Latitude E6400 12-cell battery primarily refers to the 84Wh Extended Battery Slice, a legacy "smart" lithium-ion accessory designed to attach to the laptop's docking connector Dell Mit. While the 12-cell slice is now rare in the primary market, the 9-cell primary battery (7800mAh/87Wh) remains the dominant high-capacity choice for sourcing Amazon Alibaba.

Product Specifications & Compatibility

* Technical Profile: The 12-cell slice (KV225) provides 84Wh/14.8VDC and weighs approximately 0.85 kg. It attaches to the bottom of the Latitude E6400, E6400 ATG, and E6500 models Dell.

* Performance: When combined with a standard 9-cell primary battery, it can achieve a total runtime of up to 19 hours Mit Laptopmag.

* Modern Alternatives: Most B2B suppliers currently offer the 9-cell primary battery as the maximum capacity option, typically rated at 7800mAh (approx. 87Wh) Laptopbatteryexpress Alibaba.

Market Trends & Insights (2025–2026)

* Market Maturity: The laptop battery market for legacy systems like the E6400 is valued for its replacement cycle stability, with the broader laptop battery sector projected to reach $10.01 billion by 2026 Businessresearchinsights Persistencemarketresearch.

* Consumer Shift: There is a strong preference for 9-cell units over the 12-cell slice due to their lighter weight and easier integration (no docking connector required) Laptopbatteryexpress Delllaptopbattery.

* Supply Dynamics: B2B pricing for high-capacity 9-cell replacements currently ranges from $7.33 to $15.87 depending on order volume Alibaba Alibaba.

Sourcing Overview

I have compiled current B2B product listings for high-capacity Dell Latitude batteries, focusing on the 9-cell variants which offer the best availability for bulk procurement.

I have analyzed the Dell Latitude E6400 battery market. You can continue with:

Sources & References

23 sources cited · Verified industry data & reports

Fancy Buying 9 Cell Laptop Battery Replace for Dell ...

Amazon.com

♧Battery type: Li-ion; Capacity:7800mAh Voltage: 11.1V;Cells: 9-cell. Recharge cycles:500; The battery is durable and has overcurrent protection, ...

Dell Latitude E6400 E6500 Laptop Battery KY265

Laptop Battery Express

11.1 Volts; 7800 mAh or 85 Whr; 9 Cell Li-ion (6 cell available here); Samsung (South Korea); Grey; 2 Year Warranty ...

Replacement for Dell Latitude E6400 battery - 6600mAh, 9 cells

delllaptopbattery.us

Note : 1. 10.8V and 11.1V are compatible, they are in common use. 2. The 7800mAh(9 Cells) and 8800mAh(12 Cells) batteries will extend out about 1 inch from ...

latitude-e6400-atg_setup guide_en-us.pdf

Dell

Replace the battery only with a compatible battery purchased from. Dell ... 9-cell high capacity battery. 0.51 kg (1.12 lb). 12-cell slice battery. 0.85 kg ...

Laptop Battery For DELL Latitude E6410 E6510 E6400 ...

AliExpress

Battery Type: Li-ion Voltage : 11.1V Capacity :4400mAh Product Type : Replacement Battery (100% Brand New) Condition : 100% Brand New, 24 months warranty!

Dell Latitude E6400,Latitude E6500,Precision M2400 ...

BatteryClerk.com

This is a replacement compatible with a Dell Laptop and Notebook Battery · Volts: 11.1V (11.1 Volts) · Capacity: 4400mAh (4.4Ah) · Type: Li-ion · Color: Black ...