Razer Blade 15 Battery Issues? When to Replace the 65Wh RC30-0328 Battery

The Razer Blade 15 is built for performance—gaming, content creation, and demanding workloads.
But even a powerful laptop feels limited when the battery can’t keep up. Maybe your Blade 15 dies
halfway through a match, drops from 60% to 10% in a few minutes, or shuts down the moment you
unplug the charger. These are all classic symptoms that the original 65Wh RC30-0328 battery is
reaching the end of its life.

65Wh Razer RC30-0328 Replacement Battery for Razer Blade 15 (2020–2021)

Brand new 65Wh (15.4V, 4-cell) battery designed for Razer Blade 15 Base and Advanced models,
including RZ09-0328x and RZ09-0330x series, replacing RC30-0328 and related part numbers.
If you own a different Razer laptop, you can browse our

Battery for Razer

category to find the right battery for your model.

View RC30-0328 replacement battery & check compatibility

In this guide, we’ll focus on the real-world symptoms you’re likely seeing on your Razer Blade 15
when the battery starts to fail, how to confirm the battery is the real problem, and why a proper
65Wh RC30-0328 replacement is the safest way to restore reliable runtime and performance.

Quick navigation

• 1. Common symptoms of a failing Razer Blade 15 battery
• 2. How to confirm your battery is the problem
• 3. About the 65Wh Razer RC30-0328 replacement battery
• 4. Is it safe to keep using a weak or swollen battery?
• 5. Replacement options: DIY vs professional service
• 6. How to care for your new Razer Blade 15 battery

1. Common symptoms of a failing Razer Blade 15 battery

Performance laptops put a lot of stress on their batteries. Over time, you’ll notice a pattern of
changes in how your Blade 15 behaves on battery. Here are the most common symptoms Razer Blade 15
(Base and Advanced) users experience when the RC30-0328 pack starts to wear out:

1.1 Fast battery drain during basic tasks

• Your Blade 15 used to run several hours on web browsing or office work; now it lasts less than
  1–2 hours even at lower brightness.
• The battery percentage seems to drop rapidly once it falls below 50%.
• You lose 10–20% from just watching a short video or answering a few emails.

This usually means the real capacity is much lower than the original 65Wh. Windows still tries to
estimate remaining runtime, but with worn-out cells, those estimates become increasingly inaccurate.

1.2 Sudden shutdowns when you start a game or heavy application

• The system powers off abruptly as soon as you start a game on battery.
• Windows often shows 20–40% remaining just before the shutdown, especially when the GPU and CPU
  ramp up.
• After restarting, the battery level is much lower than before.

Under high load, a degraded cell can’t maintain stable voltage. The protection circuit inside the
battery cuts power to prevent damage, causing a hard shutdown instead of a smooth low-battery
warning.

1.3 “Plugged in, not charging” or stuck charge level

• Windows shows “Plugged in, not charging” for long periods.
• The battery refuses to charge above a certain percentage (for example, it’s stuck around 60–80%).
• The laptop runs fine on AC power, but unplugging the charger results in very short runtime or
  instant shutdown.

Sometimes software settings or a faulty adapter can cause these messages, but once you rule those
out, it often means the battery controller is limiting charge because the cells are heavily worn.

1.4 Extra heat and fans ramping up more often

• You notice the fans spinning up during light workloads where they used to stay quiet.
• The underside or palm rest area feels warmer, even when you’re not gaming.

Aging batteries can generate additional heat, especially when charging or under moderate load.
Combined with a powerful GPU and CPU, this can make the system run hotter overall. Heat plus poor
runtime is a strong sign the battery is no longer healthy.

1.5 Swelling and physical changes to the laptop

• The touchpad/trackpad feels uneven, raised or harder to click.
• You may see a small bulge in the bottom cover or notice that the chassis no longer sits flat.

Swelling is a serious safety warning. If the RC30-0328 pack inside your Blade 15 begins to expand,
it can put mechanical stress on the chassis, keyboard and touchpad. In this case, you should
replace the battery as soon as possible and avoid operating the laptop on battery power.

1.6 Battery health warnings in Windows or tools

• Battery reports or tools show “poor” or “very poor” battery health.
• The difference between Design Capacity and Full Charge Capacity is very large
  in the reports.

These warnings usually appear after the battery has already lost a significant portion of its
original capacity—matching what you already feel in daily use.

2. How to confirm your battery is the problem

Before you order a new RC30-0328 battery, it’s sensible to confirm that the battery itself—not the
adapter or software—is causing your Razer Blade 15 issues.

2.1 Check the charger and power settings

• Use the original Razer power adapter or a high-quality equivalent.
• Inspect the plug, cable and DC jack for damage, looseness or discoloration.
• Reset advanced power settings, profiles and battery saver modes back to default temporarily.

If a known-good charger doesn’t fix charging behavior or extend runtime, the battery is the more
likely culprit.

2.2 Generate a Windows battery report

On Windows 10/11:

1. Open Command Prompt as Administrator.
2. Type powercfg /batteryreport and press Enter.
3. Open the generated HTML report saved in your user folder.

Compare Design Capacity and Full Charge Capacity. If full charge
capacity has dropped to well below the original design (for example 50–60% of the original value),
your battery has experienced substantial wear.

2.3 Review BIOS and Razer tools

• Check the BIOS/UEFI for battery status or warnings.
• Use any Razer software that can display battery condition (if available).

Combined with the real-world symptoms you see—fast drain, shutdowns, or swelling—this information
confirms that the RC30-0328 pack is due for replacement.

3. About the 65Wh Razer RC30-0328 replacement battery

The Razer Blade 15 2020–2021 family uses an internal battery built around performance power
delivery and a slim chassis. A proper replacement should closely match the original voltage,
capacity and physical layout.

3.1 Key specifications

3.2 Compatible part numbers (selection)

A properly designed replacement RC30-0328 battery should list compatibility with the following
Razer identifiers (not a full list):

• Razer RC30-0328
• Razer CS-RZB152NB

3.3 Compatible Razer Blade 15 models (partial list)

• Razer Blade 15 2020 RZ09-03519
• Razer Blade 15 Base 2020 RZ09-0328x
• Razer Blade 15 Base 2021 RZ09-0328x
• Razer Blade 15 Advanced 2020 RZ09-0330x
• Razer Blade 15 RZ09-03286
• Razer Blade 15 RZ09-03287
• Razer Blade 15 RZ09-03289
• Razer Blade 15 RZ09-03304 / RZ09-03304x
• Razer Blade 15 RZ09-03305 / RZ09-03305x

If your Blade 15 model matches any of these codes, a 65Wh RC30-0328 compatible battery is the
correct class of replacement. For other Razer lines, explore the full

Battery for Razer

category.

Check compatibility and order the 65Wh RC30-0328 battery

4. Is it safe to keep using a weak or swollen battery?

Some users try to avoid replacement by keeping the Blade 15 plugged in most of the time. While the
laptop can technically operate like this, it comes with risks:

• Unexpected shutdowns can damage game files, creative projects or Windows system
  files.
• Swelling or overheating can physically deform the chassis, damage the touchpad
  and stress internal components.
• A severely worn pack can place extra load on charging circuitry and cause
  additional hardware issues over time.

If you see any swelling, cracks or abnormal heat, stop relying on the battery and plan a
replacement as soon as possible for safety.

5. Replacement options: DIY vs professional service

The Razer Blade 15 is a slim, tightly packed machine. Replacing the RC30-0328 battery is possible
for experienced users but may be challenging if you are not familiar with opening laptops.

5.1 Typical Blade 15 battery replacement steps

• Shut down the laptop fully and disconnect the power adapter.
• Remove the bottom screws (often Torx) and gently lift off the bottom panel.
• Disconnect the battery connector from the motherboard.
• Unscrew and remove the old battery pack carefully.
• Place the new 65Wh RC30-0328 battery, secure it with screws and reconnect the cable.
• Reattach the bottom cover, tighten the screws and test on battery power.

If these steps feel risky, the best option is to purchase the correct replacement battery and have
a professional repair shop perform the installation.

5.2 Why choose a proper RC30-0328 replacement

• Correct 15.4V operating voltage for the Blade 15 power design.
• Appropriate 65Wh capacity to support gaming and heavy workloads.
• Integrated protection circuits for over-charge, over-discharge, short-circuit and temperature
  control.
• Backed by a 12-month warranty and 30-day return policy for peace
  of mind.

6. How to care for your new Razer Blade 15 battery

Once you install a new 65Wh RC30-0328 battery, a few healthy habits will help you get the maximum
lifetime out of it:

• Initial cycles: For the first several days, let the laptop cycle between roughly
  20% and 90% on battery so Windows and the controller can calibrate.
• Don’t live at 0% or 100%: It’s okay occasionally, but avoid leaving the battery
  fully drained or fully charged for long periods.
• Control heat: Keep vents clear, use a hard surface while gaming, and avoid
  blocking airflow to slow down battery wear.
• Store smart: If you won’t use the Blade 15 for weeks, store it around 40–60%
  charge in a cool, dry place.

With a fresh 65Wh RC30-0328 battery and good charging practices, your Razer Blade 15 can once
again deliver the performance and mobility you expect—whether you’re gaming on the go, editing
content away from your desk, or simply enjoying quieter, cooler operation on battery power.

Replace your worn RC30-0328 battery and restore your Razer Blade 15