Astrum Battery for HP 6540 / 645 / 650 / 655 – 10.8 V 4400 mAh (6-Cell Li-Ion)

SKU: ABT-HPCA06 | Warranty: 12 months | Condition: 100 % New from Manufacturer

Upgrade your HP ProBook with the Astrum ABT-HPCA06 replacement battery—engineered for extended runtime, OEM-perfect fit, and advanced safety protections, all backed by a full 12-month warranty.

Key Benefits
Extended runtime: 4400 mAh capacity at 10.8 V for hours of unplugged productivity
OEM-perfect fit: Designed specifically for ProBook 640, 645, 650, and 655 G0/G1 series
Certified safety: CE and RoHS compliant with built-in overcharge, over-discharge, and short-circuit protection
Durable cycle life: Reliable performance across 500 + recharge cycles
Tool-free installation: Quick plug-and-play swap—no special tools required
Peace of mind: Backed by a 12-month manufacturer warranty

Technical Specifications
Feature Details
Battery Type Lithium-Ion
Voltage 10.8 V
Capacity 4400 mAh
Cells 6-Cell
SKU ABT-HPCA06
Warranty 12 months
Certifications CE, RoHS
Protections Overcharge, Over-discharge, Short-circuit

Compatible HP Models
ProBook 640 G0 · 640 G1 · 645 G0 · 645 G1 · 650 G0 · 650 G1 · 655 G0 · 655 G1

Compatible Part Numbers
718677-421 · 718678-421 · 718755-001 · 718756-001 · BAT-HP640G1 · CA06 · CA06055-CL · CA06XL · ABT-HPCA06 · HSTNN-DB4Y · HSTNN-I15C-4 · HSTNN-I15C-5 · HSTNN-I16C · HSTNN-LB4X · HSTNN-LB4Y · HSTNN-LB4Z

Installation & Care Tips
Power off and unplug your notebook before replacing the battery.
Unlock and remove the existing battery with the release latch.
Align contacts, insert the Astrum ABT-HPCA06, and press until it clicks securely.
Fully charge before first use to calibrate the internal fuel gauge.
Perform a full discharge/charge cycle monthly to maintain capacity accuracy.
Store at 20 %–40 % charge in a cool, dry place if unused for extended periods.

Package Includes
1 × Astrum ABT-HPCA06 10.8 V 4400 mAh (6-Cell) Battery
1 × Installation & Safety Guide