Replacing Nike Fuel Band Battery: A Step-By-Step Guide

The Nike+ FuelBand series, released in early 2012, includes activity and health-tracking watches. The battery is a Lithium Polymer (Li-Po) battery, and there are two curved lipo cells soldered in place. When replacing the battery, it is important to be careful not to short them out. There are several replacement batteries available on the market that meet the original manufacturer specifications.

The battery type: Lithium-Polymer (Li-Po)

The Nike FuelBand series of activity and health-tracking watches use Lithium-Polymer (Li-Po) batteries. These are rechargeable batteries that use lithium-ion technology and a polymer electrolyte instead of a liquid electrolyte.

Li-Po batteries are highly conductive semi-solid (gel) polymer batteries. They provide higher specific energy than other lithium battery types and are used in applications where weight is critical, such as mobile devices, radio-controlled aircraft, and some electric vehicles. They are widely used in laptop computers, tablets, and smartphones.

Li-Po batteries have a flexible, foil-type (polymer laminate) case, so they are relatively unconstrained. They can be built to fit a lot of applications and can be easily produced in almost any desired shape. They also have a low self-discharge rate of about 5% per month.

When working with Li-Po batteries, it is important to exercise caution to avoid accidentally shorting them out. They are more prone to thermal runaway when punctured or damaged.

Battery price

The battery price for the Nike FuelBand depends on the type of battery you are looking to purchase. The Nike FuelBand uses two curved lipo cells soldered in place. You can try to find the right type of curved cell on eBay, but be careful not to bend a normal lipo cell as this could make the cell prone to exploding or catching fire.

There are other options for replacement batteries for the Nike FuelBand SE, such as the 3.8v 36mah H201030 Battery, which is available on eBay and has received positive reviews. This battery is rechargeable and has a voltage of 3.7V and a capacity of 36mAh. Another option is the Lithium Polymer (Li-Po) battery from Complete Battery Source, which is manufactured to meet original manufacturer specifications. The price of these batteries is not explicitly stated, but they can likely be found on the respective websites.

Battery replacement warranty

The Nike FuelBand contains two curved lipo cells soldered into the device. When replacing the battery, it is important to exercise caution to avoid accidentally shorting out the battery.

If your device is still covered by warranty, you should contact the manufacturer to see if the battery replacement will be covered. If your device is no longer under warranty, you can try finding a replacement battery on eBay or from a similar supplier.

It is important to note that attempting to bend a normal lipo cell into the required curve is not recommended, as it may make the cell prone to exploding or catching fire.

For more information on battery replacement and to find the official manufacturer's contact details, you can visit the Nike Support website. They will be able to provide you with specific details regarding your device's warranty and any applicable coverage for battery replacement.

Safety when working with Li-Po batteries

Lithium-ion polymer batteries, or Li-Po batteries, are a type of rechargeable battery commonly used in small electronics and RC devices. While they are generally safe to use, it is important to follow certain safety precautions to avoid the risk of fire or explosion. Here are some guidelines to ensure safe handling of Li-Po batteries:

Storage and Charging:

• Always store and charge Li-Po batteries in a fireproof container such as a Li-Po safety bag, a metal ammo box, or another fireproof container. This will help contain any potential fires or explosions.
• Never leave charging batteries unattended. If a battery starts to smoke or catch fire, you must be able to respond immediately.
• Keep a Class D fire extinguisher nearby when charging or storing Li-Po batteries.
• Do not store Li-Po batteries in hot or cold environments, such as a hot garage or a refrigerator. Room temperature is ideal.
• Avoid fully charging or fully discharging Li-Po batteries before storage. Instead, store them at around 60% charge to maintain their lifespan.
• Do not leave Li-Po batteries on a full charge for more than 2-3 days. If you don't plan on using them, discharge them to 3.6v-3.8v per cell for safe storage.
• Always use a proper Li-Po battery balance charger/discharger to ensure that all cells maintain the same voltage. This helps prevent the battery from becoming unstable and dangerous.

Handling and Usage:

• Inspect Li-Po batteries for physical damage before and after each use. If any cell is damaged, move the battery to a fire-safe area and discharge it slowly. Do not transport damaged cells.
• Avoid purchasing used Li-Po batteries, as you cannot be sure how they have been treated by the previous owner.
• Do not expose Li-Po batteries to high temperatures during usage. Allow them to cool down before charging.
• Do not use a damaged or puffy Li-Po battery. Dispose of it properly and follow safety protocols.
• Be cautious when working with Li-Po batteries to avoid accidentally shorting them out.

By following these safety guidelines, you can help ensure a safe working environment when dealing with Li-Po batteries. Remember to always treat Li-Po batteries with respect and care to prevent any potential hazards.

Where to buy the replacement battery

If you're looking to replace your Nike FuelBand battery, there are a few options for where to buy a replacement. One suggestion is eBay, where you may be able to find the right type of curved cell battery that the FuelBand requires. However, be cautious when working with lipo batteries as they can be prone to exploding or catching fire if not handled correctly.

Alternatively, there are a couple of specialist battery retailers that stock the FuelBand battery. Complete Battery Source offers a lithium polymer (Li-Po) battery for the FuelBand SE Fitness Tracker, manufactured to meet original manufacturer specifications. Battery Mart also stocks a replacement battery for the Fuel Band SE Fitness Tracker, which is currently priced at $18.95. Both these options are 100% compatible with the Nike Fuel Band SE.

Frequently asked questions