Dr. Battery MPL08224P-13 6-Cell 4400 mAh 10.8V laptop battery

Direct replacement for HP and Compaq laptops

This 6-cell lithium-ion pack is built to replace original batteries in a wide range of HP EliteBook, ProBook and Compaq models including the 6530b, 6535b, 6730b, 6735b, 8440p, 8440w, 6440b, 6445b, 6450b, 6455b, 6540b, 6545b, 6550b, 6555b, 6730b and 6930p. It delivers 10.8 volts and 4400 mAh capacity, matching OEM specifications for voltage and runtime. The unit is new and includes a one-year warranty.

Suitable for owners of listed models needing

Buyers with laptops outside the listed compatibility range, those requiring a higher-capacity 9-cell design, or users whose chassis uses a physically different battery form factor should look elsewhere. The smart control chip provides overcharge, overheat and short-circuit protection, but the pack does not add features such as rapid-charge protocols beyond the standard lithium-ion charging curve.

4400 mAh at 10.8V lithium-ion chemistry

This capacity and voltage combination determines whether the battery will fit the power budget and physical bay of the target machines. Verify the original part number — such as HSTNN-UB69, HSTNN-UB85, HSTNN-W42C, HSTNN-XB24, HSTNN-XB59 or HSTNN-XB61 — and confirm the 10.8V rating before ordering.