Lenovo 45N1070 46Wh Replacement Battery
Find the perfect replacement battery for your Lenovo ThinkPad X1 Carbon Gen 1 laptop. Our high-quality 46Wh battery ensures reliable performance and extended usage time.
Battery models & part numbers
| Reference / P/N |
|---|
| Lenovo 45N1071 |
| Lenovo-45N1070-46Wh |
Compatible laptop models
| Model |
|---|
| Lenovo ThinkPad X1 Carbon 1th Gen (34xx) |
| Lenovo ThinkPad X1 Carbon Gen. 1 (MT 3443) |
| Lenovo ThinkPad X1 Carbon Gen. 1 3444 |
| Lenovo ThinkPad X1 Carbon Gen. 1 3446 |
| Lenovo ThinkPad X1 Carbon Gen. 1 3448 |
| Lenovo ThinkPad X1 Carbon Gen. 1 3460 |
| Lenovo ThinkPad X1 Carbon Gen. 1 3462 |
| Lenovo ThinkPad X1 Carbon Gen. 1 3463 |
Introduction
The Lenovo 45N1070 46Wh battery is designed specifically for ThinkPad X1 Carbon Gen 1 laptops. This genuine replacement battery delivers optimal performance and reliability for Australian and New Zealand users.
Common signs you need a replacement
| Symptoms | Causes | Verification | Recommendation |
|---|---|---|---|
| Battery drains quickly | Ageing battery cells | Check battery health in system settings | Consider replacement if under 50% capacity |
| Laptop won’t hold charge | Battery degradation | Test with power adapter disconnected | Replace battery immediately |
| Battery swelling | Internal damage or overheating | Visual inspection | Replace urgently – safety hazard |
| Overheating during use | Faulty battery management | Monitor temperature with software | Replace if consistently over 45°C |
How to check compatibility
Verify your laptop model matches our compatibility list above. Check your current battery part number (usually found on the battery label) or use Lenovo’s official support website with your serial number.
When to replace
Replace your battery when it no longer holds sufficient charge for your needs, shows physical damage, or reaches 2-3 years of regular use. Most laptop batteries last 300-500 charge cycles before significant degradation.
Installation guide (overview)
1. Power off laptop and disconnect charger
2. Remove the bottom panel screws
3. Carefully disconnect old battery connector
4. Remove old battery and insert new one
5. Reconnect battery connector and reassemble
6. Charge fully before first use
Usage & care tips
• Avoid complete discharges – recharge at 20-30%
• Store in cool, dry conditions (15-25°C)
• Use authorised Lenovo chargers only
• Calibrate battery monthly by full discharge/charge cycle
• Avoid extreme temperatures and direct sunlight
Safety & recycling in AU/NZ
In Australia and New Zealand, laptop batteries must be recycled responsibly. Do not dispose in household waste. Use authorised battery recycling centres or return to electronics retailers. Damaged or swollen batteries should be handled with care and recycled immediately.
FAQ
How long does shipping take in Australia?
Typically 3-7 business days depending on your location.
Is this battery genuine Lenovo?
Yes, this is an authentic Lenovo replacement battery with full compatibility.
What warranty do you offer?
12-month warranty covering manufacturing defects.
Can I use this battery in New Zealand?
Yes, compatible with all AU/NZ voltage standards (240V).
How do I check my current battery health?
Use Lenovo Vantage software or Windows battery report feature.
What’s the battery capacity?
46Wh capacity providing 4-6 hours typical usage.
Do you provide installation service?
Self-installation guide provided; professional installation available at authorised service centres.