MacBook Pro (14-inch, 2021)
073-00326-A | 17© 2022 Apple Inc. All rights reserved.
Battery Safety
Battery Safety
• Clean, dry, untreated sand (8–10 cups)
• Sand container (wide-mouthed, quick pour, nonbreakable plastic container with a flip-top lid)
• Heat-resistant gloves
• Safety glasses with side shields
• ESD-safe cleaning solution
• Fireproof enclosure
Warning
• This device contains a built-in lithium-ion rechargeable battery with soft battery cells. Battery
safety is the number one concern when repairing a device with a built-in lithium-ion battery.
• Only technicians with the knowledge, experience, and tools required to repair electronic
devices should replace a battery.
• Improper battery replacement, improper handling of parts, failure to discharge the battery
before repair, or failure to follow the provided instructions could cause battery overheating,
swelling, venting, leaking, or a battery thermal event. These events could result in fire, injury,
death, data loss, or damage to the device, parts, or other property.
• To avoid these potentially harmful events, follow the battery safety guidelines and work in
a safety-focused workspace with the tools listed below. It’s important to be prepared for all
possible outcomes.
How to set up a workspace for battery safety
Tools
Workspaces used to repair Apple devices should meet the following criteria:
• Nonflammable and electrostatic discharge (ESD)-safe work bench
• At least 2 feet away from paper and other combustible materials
• Sand container within reach (2 feet) on one side of the workspace, not above the workspace
• Adequate ventilation
• Within 20 feet of a fireproof enclosure. Don’t store combustible or flammable materials in the
enclosure. Ensure that the enclosure remains empty.
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