Shimano XT RD-M8150-SGS Di2 E-Bike Gen 2 derailleur, 1x12, 10-51T

WARNING
For information on installing, adjusting, and replacing products not found in the user's manual, please contact the place of purchase or a distributor. The dealer's manual for professional and experienced bicycle mechanics can be found on our website (https://si.shimano.com).
For safety, please read this “user's manual” thoroughly before use, follow it for proper use, and store it for future reference.
The following instructions must always be followed to prevent personal injury and physical damage to equipment and surroundings. Instructions are classified according to the degree of danger or damage that may occur in case of improper use of the product.
DANGER - Failure to follow instructions will result in death or serious injury.
WARNING - Failure to follow instructions could result in death or serious injury.
CAUTION - Failure to follow instructions could result in personal injury or physical damage to equipment and surroundings.

For items requiring replacement, contact the place of purchase or a distributor.
Observe the following instructions to prevent burns and other injuries due to fluid leakage, overheating, fire, or explosion.

DANGER
- When charging the battery, use the designated charging cable. Use of any other items may lead to fire, overheating, leakage, or damage to the connected PC.
- Prevent the charging cable from getting wet and do not touch or hold it if it is wet or if your hands are wet. Failure to do so may result in operational problems or electric shock.
- Use an AC adapter with a USB port with a voltage of 5.0 V DC and a current of at least 1.0 A DC. If an adapter with a current value less than 1.0 A is used, the AC adapter may heat up and fire, smoke, overheating, damage, electric shock, or burns may occur.
- Do not heat the battery or expose it to fire. Failure to do so may result in the battery burning or rupturing.
- Do not use or leave the battery in hot or humid places where the battery may be exposed to direct sunlight, in a closed vehicle on a hot day, or near a heater. Failure to do so may result in leakage, overheating, or rupture, leading to fire, burns, or other injuries.
- Do not deform, modify, or disassemble the battery. Also, do not directly apply solder to the battery terminals. Failure to do so may result in leakage, overheating, or rupture, leading to fire, burns, or other injuries.
- Do not touch the metal terminals with metal objects such as hairpins. Failure to do so may result in short circuits, overheating, burns, or other injuries.

WARNING
- Do not disassemble or modify the product. This may cause the product to malfunction, you may fall unexpectedly and be seriously injured.
- When connecting or disconnecting the USB cable or charging cable, always grasp the cable plug. Failure to do so may result in fire or electric shock.
- If the following symptoms occur, stop using the device and contact the place of purchase. Fire or electric shock may occur.
- If acrid smoke comes from the power plug or the plug heats up. There may be a bad connection inside the power plug.
- If it thunders while charging with an AC adapter with a USB port, do not touch the device, bicycle, or AC adapter. Electric shock may occur if struck by lightning.
- Do not use a USB hub to connect the cable to the PC's USB port. Charging failure or fire due to overheating may occur.
- Be careful not to damage the charging cable. Do not damage it, modify it, forcibly bend it, twist it, stretch it, place it near hot objects, place heavy objects on it, or tie it tightly together. If used in a damaged state, fire, electric shock, or short circuit may occur.
- If the battery is not fully charged within 4 hours of charging, stop charging. Failure to do so may result in fire, rupture, ignition, or overheating.
- Do not immerse the product in fresh or salt water and prevent the terminals from getting wet. Failure to do so may result in fire, rupture, ignition, or overheating.
- Do not expose the product to strong impact or throw it. Failure to do so may result in rupture, overheating, or operational problems.
- Do not use the battery if it shows fluid leakage, discoloration, deformation, or other atypical signs. Failure to do so may result in rupture, overheating, or operational problems.
- Regularly clean the chain and QUICK-LINK with a suitable chain cleaner. Maintenance intervals depend on usage and riding conditions. Never use alkaline or acid-based solvents, such as rust removers. If such a solvent is used, the chain or QUICK-LINK may break and cause serious injury.
- Check that the chain is not damaged (deformation or cracking), skipping, or showing any other irregularities, such as arbitrary gear shifting. If any problems occur, contact the place of purchase or a distributor. The chain may break and you may fall.