Introduction:
The Sony VAIO VGN-NR series was popular for its balance of performance and affordability. When your original battery starts failing, our guide helps you find the perfect VGP-BPS9/A/B compatible replacement.
Signs You Need Replacement:
- Battery lasts less than 1 hour
- Laptop shuts down unexpectedly
- Battery won’t charge fully
- Physical swelling or deformation
Key Specifications:
- Voltage:Â 11.1V
- Capacity:Â 4800mAh
- Chemistry:Â Lithium-ion
- Compatible Models:Â VGP-BPS9, VGP-BPS9A, VGP-BPS9B
Installation Steps:
- Power off and unplug your VAIO
- Flip the laptop and locate battery release latch
- Slide the latch to remove old battery
- Insert new battery until it clicks
- Charge fully before first use
Usage Tips:
- Calibrate monthly (full discharge/charge)
- Avoid extreme temperatures
- Store at 40-60% charge if unused
- Use original charger for best results
Frequently Asked Questions:
Q: Is this battery identical to OEM?
A: It matches all specifications while being more affordable
Q: How long does shipping take?
A: Typically 3-5 business days
Q: Can I return if incompatible?
A: Yes, 30-day return policy
Conclusion:
Give your Sony VAIO VGN-NR51B/NR52 new life with our quality-tested replacement battery that delivers performance at a fraction of OEM cost.