Battery models & part numbers
| Reference / P/N |
|---|
| L20C4PC2 |
| Lenovo-L20M4PC2-80WhLongline |
Compatible laptop models
| Model |
|---|
| Lenovo Legion 5 17ACH6H |
| Lenovo Legion 5 17ACH6H(82JY) |
| Lenovo Legion 5 5i 17ACH6H 17-Inch |
| Lenovo Legion 5 Pro-16ACH6 |
| Lenovo Legion 5-17ACH6(82K0) |
| Lenovo Legion 5-17ACH6(82K8) |
Introduction
Keep your Lenovo Legion laptop performing at its best with a genuine replacement battery. Our L20M4PC2 80WhLongline battery is specifically designed for Australian and New Zealand conditions.
Common signs you need a replacement
| Symptoms | Causes | Verification | Recommendation |
|---|---|---|---|
| Battery drains quickly | Ageing cells | Check battery health in system settings | Consider replacement if under 50% capacity |
| Laptop shuts down unexpectedly | Voltage instability | Monitor battery percentage drops | Replace immediately for data safety |
| Battery won’t charge fully | Charging circuit failure | Check charging indicator and percentage | Replace battery to restore full capacity |
| Battery swelling or overheating | Internal damage | Visual inspection and temperature check | Replace urgently – safety hazard |
How to check compatibility
Verify your laptop model matches exactly with our compatibility list above. Check your current battery’s part number (usually printed on the battery) or look up your laptop’s specifications in system information.
When to replace
Replace your battery when it holds less than 60% of its original capacity, shows physical damage, or causes system instability. Most batteries need replacement after 2-3 years of regular use.
Installation guide (overview)
1. Power off laptop and disconnect charger
2. Remove bottom panel screws
3. Carefully disconnect old battery connector
4. Install new battery and reconnect
5. Replace panel and power on
Always refer to official Lenovo documentation for detailed instructions.
Usage & care tips
• Avoid extreme temperatures (ideal range 15-25°C)
• Don’t leave laptop plugged in constantly
• Calibrate battery monthly by full discharge/charge cycle
• Store at 40-60% charge if not using for extended periods
Safety & recycling in AU/NZ
Never dispose of batteries in household waste. In Australia, use Batteryback or council e-waste services. In New Zealand, utilise accredited e-waste recyclers. Damaged batteries should be handled by authorised recycling centres immediately.
FAQ
How long does shipping take in Australia?
Typically 3-7 business days depending on location.
Is this battery genuine Lenovo?
This is a high-quality compatible replacement meeting original specifications.
What warranty do you offer?
12-month warranty covering manufacturing defects.
Can I install this myself?
Yes, with basic technical skills and proper tools. Follow safety guidelines.
How do I recycle my old battery?
Contact local council or authorised e-waste recycler for proper disposal.
Will this affect my laptop’s warranty?
Replacing the battery yourself may void remaining manufacturer warranty.
What’s the battery capacity?
80Wh capacity, providing extended usage between charges.