The 601 battery error usually appears on HP laptops. It means your primary battery is weak, damaged, or not holding charge properly. It is a hardware warning, not a software or Windows error.
✅ What Error 601 Means
- Battery capacity has reduced
- Battery is not charging correctly
- Battery may fail soon
- Laptop can still run on charger but battery backup will be poor
🔧 How To Fix Battery Error 601
1️⃣ Perform Battery Calibration
Sometimes the battery reading becomes incorrect.
Steps:
- Charge laptop to 100%
- Disconnect charger
- Use laptop until battery drains completely and shuts down
- Leave it OFF for 30–60 minutes
- Charge again to 100% without interruption
👉 Restart laptop and check if error disappears.
2️⃣ Run Battery Test in BIOS / Hardware Diagnostics
Most laptops allow battery health testing.
Steps:
- Restart laptop
- Press Esc / F2 / F10 (depends on laptop model)
- Open Diagnostics / Hardware Test
- Run Battery Test
If test shows Fail / Replace, battery is worn out.
3️⃣ Check Charger & Power Adapter
Sometimes wrong or damaged charger causes battery errors.
✔ Use original charger
✔ Check cable damage
✔ Try another compatible charger (if available)
4️⃣ Update BIOS
Outdated BIOS sometimes shows false battery warnings.
👉 Go to laptop manufacturer website
👉 Download latest BIOS update
👉 Install carefully (only if comfortable)
5️⃣ Replace the Battery (Most Common Fix)
If laptop is old (2–4 years), battery replacement is usually required.
✔ Buy genuine or high-quality compatible battery
✔ Replace through service center or technician
⚠️ Important Warning
If you ignore this error:
- Battery may stop charging anytime
- Laptop may shut down suddenly
- Battery swelling risk (rare but possible)
✅ Temporary Solution:
You can continue using laptop on charger if battery backup is not needed.
👉 If you want, tell me:
- Your Laptop Brand + Model Number
- When error appears (startup / charging / random)
I can give you exact solution steps for your specific laptop.
