Lithium-ion rechargeable battery pack

Lithium-ion batteries (Li-Ion) have numerous advantages that make them a popular choice for a wide range of applications. With 16 years of customization experience, Himax is the best supplier of customized battery packs for global brands.

The advantages of lithium-ion battery (li-ion).

  • High energy density of lithium-ion batteries vs. other types (e.g., NiCd, NiMH) allows for longer runtime and lighter, more compact battery packs.
  • Longevity: Lithium-ion batteries exhibit longer cycle life, enduring numerous charging/discharging cycles with minimal performance degradation.
  • Low self-discharge rate of lithium-ion batteries minimizes charge loss during non-use, reducing frequent charging needs and maintaining capacity over time.
  • No Memory Effect: Lithium-ion batteries do not exhibit the “memory effect,” preventing performance issues from repeated partial charging/discharging.
  • Wide operating temp. range of lithium-ion batteries suits various apps, incl. extreme cold/hot environments.
  • Lithium-ion batteries require minimal maintenance, eliminating the need for periodic full discharges or special charging procedures.


Lithium-ion (Li-ion) batteries are a type of rechargeable battery that uses lithium ions as the charge carriers in its electrochemical reactions. They are widely used in various applications due to their high energy density, lightweight construction, and long lifespan. Lithium-ion batteries have become the standard power source for many portable electronic devices, electric vehicles, and renewable energy storage systems.
Lithium ion batteries are lightweight, have a high energy density, and offer a longer lifespan compared to other types of batteries.
When used correctly, lithium batteries are generally safe. However, mishandling or damage can lead to safety hazards such as overheating or fire.
It’s best to use chargers specifically designed for lithium ion batteries to ensure safe and efficient charging.
Store li-ion batteries in a cool, dry place at a partial state of charge to maximize their lifespan.
No, lithium batteries should be disposed of properly at designated recycling centres to prevent environmental contamination.
No, it’s not recommended to treat rechargeable lithium batteries like lead-acid batteries. Both lithium-ion and lead-acid batteries are rechargeable, they have different chemistries, charging requirements, and maintenance needs. It’s essential to follow the manufacturer’s recommendations and guidelines specific to each type of battery to ensure safe and optimal performance.

If a rechargeable lithium battery goes into protection mode, it typically means that the battery’s internal protection circuitry has activated due to overcharging, over-discharging, or a fault condition. When this happens, the battery shuts down to prevent damage to the cells and ensure safety.

To “wake up” a lithium-ion battery that has entered protection mode, you can try the following steps:

  1. Disconnect from Charger: If the Li-ion battery entered protection mode during charging, disconnect it from the charger immediately. Overcharging is one of the common reasons for the protection circuit to activate.
  2. Allow Cooling: If the Li-ion cell battery became too hot, allow it to cool down to a safe temperature before attempting to use it again. High temperatures can trigger the protection circuitry to activate.
  3. Check Voltage: Use a multimeter to measure the voltage of the Lithium rechargeable battery. If the voltage is too low (close to zero), it might have entered protection mode due to over-discharging. In such cases, charging the battery with a compatible charger might reset the protection circuit.
  4. Reset Protection Circuit: Some lithium-ion batteries have a reset button or pinhole that allows you to manually reset the protection circuit. Refer to the battery’s user manual or contact the manufacturer for instructions on how to reset the protection circuit safely.
  5. Inspect for Damage: Check the li ion battery and its connections for any physical damage or signs of a fault condition. If you notice any damage, do not attempt to use the battery, and seek professional assistance.
  6. Replace Battery: If the lithium battery continues to remain in protection mode despite your efforts to reset it, it might be damaged beyond repair. In such cases, it’s safer to replace the battery with a new one.

It’s essential to handle lithium-ion batteries with care and follow proper charging and usage practices to prevent them from entering protection mode unnecessarily. If you’re unsure about how to handle a li-ion battery that has entered protection mode, it’s best to seek assistance from a qualified professional or contact HIMAX’s team for guidance.

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