CMB Lithium Ion Battery Warranty

At CM Batteries, we will provide a lithium ion battery warranty, we take great pride in designing and manufacturing high-quality custom battery packs for devices of all sizes and functions. However, our purpose as a company goes beyond this. We’re on a mission to energize products, people, and the planet with our high-quality batteries and moral-driven actions.

To ensure your confidence in our product, we offer a worry-free warranty and have a customer service team located both locally and in four international locations to provide assistance in case of any issues with our battery solutions. We hope this lithium ion battery warranty gives you peace of mind and demonstrates our commitment to providing the best possible service.

We offer the following guarantees for your products:

Lithium-Ion Battery Warranty and Battery Chargers.

The products manufactured by CMB(the “warrantor”)are warranted to be free from defects in workmanship and materials under normal use and service. The warranty is in effect from the date of the shipment when the goods right is transferred to the customers(the “ purchaser”).

If any CMB products fail to follow this li ion battery warranty and any and all power loss is determined by the warrantor will either repair or replace the defective products with new products in the next new orders.

1. Standard Limited Warranty

Limited warranted products manufactured by CMB (the“warrantor”)are warranted to be free from defects in workmanship and materials under normal use and service. The warranty is effect from the date of the shipment when the goods right is transferred to the customers(the “purchaser”). This limited warranty covers substantial defects in materials or workmanship and performance and follows the guidelines of the limited warranty.

Time Charge for Replacement
0-18 Months No Charge

2. Extended Warranty

This extended warranty is a prolonged warranty offered to valued CMB customers in addition to the standard limited warranty.

Time Charge for Replacement
0-24 Months No Charge

3. Exclusions and Limitations for Batteries

Without the involvement of the warrantor in the battery system design and the express written authorization from the warrantor, the battery is not intended for use as other applications or use anywhere failure could lead to injury or loss of life, or catastrophic property damage. To the extent permitted by law, Warrantor disclaims any and all liability arising out of any such use. Further, Warrantor reserves the right to refuse to service any battery used for these purposes and disclaims any and all liability arising out of Warrantor’s refusal to service.

The warranty does not cover failures and damages that result from the extreme drop, improper installation, and storage, incompatible battery charger, inadequate maintenance, incorrect transportation, unauthorized test and repair, modifications, conversion and additions intentional or accidental misuse, abuse, and neglect contamination with hazardous substances, radiation, and water(unless stated otherwise the warrantor to be waterproof)unusual electrical stress including power surges, uncontrolled voltages and currents, excessive or deficient energy supply, system harmonics, and lighting, exposure to extreme hot or cold temperatures, and force majeure including fires, floods, earthquakes, hurricanes, severe weather, wars, and acts of terrorism.

Further clarity, the warranty is void in the following case:

  • The battery operates outside the temperature range set forth in the specification or datasheet.
  • The battery packs are configured with incorrect series and/or parallel without CMB’authorization.
  • The battery is charged with an incompatible charger.
  • The battery is left unattended after extended periods of time after the power is used up.
  • The battery is not maintained or stored in accordance with the requirements as set forth in the specification.
  • The battery is disassembled, altered, or repaired without express written authorization from the warrantor.
  • The battery is put into the water.
  • The battery is put into the fire or heated.

If the Warrantor determines that the problem with the product(s) is not due to a manufacturing defect in the Warrantor’s workmanship or materials, or otherwise does not qualify for warranty repair, then the Purchaser will be responsible for all costs incurred by the Warrantor necessary to repair, replace and transport the product(s).

4. Limited Warranty Process

When you meet the defective products, please contact the consultant. The consultant will guide you on how to get the after-sale service.

CMB loves to hear from and support our customers

We have a professional technical Team to support you to build the right li-ion battery pack solution. The related support information can be found below:

Mobile:+86 158 1732 3917

Thank you for choosing CM Batteries, and we look forward to supporting your energy needs. For more ion battery warranty, please click here to download.