636631-001 - 9-Cell MU09 Battery for HP CQ42 CQ57 CQ72 CQ56 MU06 MU09 DM4 G62

9-Cell MU09 Battery for HP CQ42 CQ57 CQ72 CQ56 MU06 MU09 DM4 G62

High-capacity 9-cell MU09 Li-ion battery engineered for HP/Compaq systems that accept MU06/MU09 form factor packs. Delivers extended runtime versus standard 6-cell units and installs using the original battery latch and connector—no modifications required.

Technical Specifications

• Primary Model / Series: MU09 (High Capacity)
• Voltage: 11.1V
• Capacity: 7800mAh
• Energy: 88Wh
• Cell Count: 9-Cell
• Chemistry: Lithium-ion (Li-ion)
• Brand: Unbranded (third-party OEM compatible)

Interchangeable Part Numbers

593550-001, MU09XL, HSTNN-UB1E, 588178-123, 636631-001, 593556-001

Also replaces MU06 (6-Cell) part numbers: 593553-001, 593554-001, 593555-001, 744894-001, 586007-001

Key Features

☑️ Brand new unbranded units (not made by HP)
☑️ Factory-fresh cells for strong cycle life
☑️ True high-capacity 9-cell design for longer runtime
☑️ Direct drop-in fit; uses original latch and connector
☑️ Built to match OEM voltage and performance characteristics

Please note that the following list is not exhaustive. Compatibility depends on your system’s specific configuration. It’s essential to verify compatibility with your system or enclosure manufacturer prior to installation.

✅ Confirmed Compatibility

✔️ Compaq Presario: CQ32, CQ42, CQ43, CQ56, CQ56z-200 CTO, CQ57, CQ62, CQ62z-200 CTO, CQ62z-300 CTO, CQ72
✔️ Compaq: 435 Notebook PC, 436 Notebook PC, CQ430, CQ630
✔️ HP 2000 / 400-Series / 600-Series: 2000 Series, 430, 431, 435, 630, 631, 635, 636, 650, 655
✔️ HP G-Series: G32, G42, G56, G62, G62m-300 CTO, G62x-400 CTO, G72, G72t
✔️ HP Envy: 15-1100; 17-1000, 17-1200, 17-2000, 17-2100; 17t-1000, 17t-2000
✔️ HP Pavilion dm4: dm4-1000, dm4-1100, dm4-1200, dm4-1300, dm4-2000, dm4-3000, dm4t
✔️ HP Pavilion dv3: dv3-4000, dv3-4100, dv3-4200
✔️ HP Pavilion dv4: dv4-4000, dv4-4100, dv4t-4000 CTO, dv4t-4100 CTO
✔️ HP Pavilion dv5: dv5-2000, dv5-2100, dv5-3000, dv5t-2100 CTO
✔️ HP Pavilion dv6 (families): dv6-3000, dv6-3100, dv6-3200, dv6-3300, dv6-4000, dv6-6000, dv6-6100, dv6-6b; dv6t-3000 CTO, dv6t-3100 CTO, dv6t-3200 CTO, dv6t-4000 CTO, dv6t-6000 CTO, dv6t-6b00 CTO; dv6z-3100 CTO
✔️ HP Pavilion dv7 (families): dv7-1400, dv7-4000, dv7-4100, dv7-4200, dv7-4300, dv7-5000, dv7-6000; dv7t-4000 CTO, dv7t-4100 CTO, dv7t-5000 CTO, dv7t-6000 CTO, dv7t-6100, dv7t-6b00 CTO
✔️ HP Pavilion g4: g4, g4-1000, g4-1100, g4-1200, g4-2000, g4t-1000 CTO, g4t-1100 CTO, g4t-1200 CTO
✔️ HP Pavilion g6: g6, g6-1000, g6-1100, g6-1200, g6-1300, g6-1b
✔️ HP Pavilion g7: g7, g7-1000, g7t-1000 CT

Installation Notes

• Power off and disconnect AC; remove the old battery.
• Seat the MU09 pack, ensure latch engagement, then charge fully before first use.
• For best results, calibrate by charging to 100%, discharging to low reserve, and charging back to 100% without interruption.