Gree Battery support

Warranty Coverage

Review product coverage, exclusions, and the information needed to start a warranty claim.

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5-Year Warranty

Comprehensive coverage on all lithium batteries. Register your product to unlock the full term.

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US-Based Support

Talk to real people in the US. No chatbots, no runarounds — just fast, honest answers.

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Easy Claims

Submit a claim with your order number and photos. We review within 2 business days.

What's Covered

✅

Manufacturing Defects

Any defect in materials or workmanship that affects normal operation.

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BMS Failures

Battery Management System failures under normal use and proper charging.

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Capacity Retention

If capacity drops below 80% of rated capacity within the warranty period.

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Cell Imbalance

Issues caused by cell imbalance that are not correctable by normal cycling.

What's Not Covered

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Improper Use

Damage from incorrect installation, incompatible chargers, or misuse.

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Physical Damage

Impact, collision, drop, water submersion, or fire damage.

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Unauthorized Mods

Any modification, tampering, or opening of the battery enclosure.

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Extreme Conditions

Use outside rated temperature range (-4°F to 140°F) or over 80% DoD cycling.

Product Warranty Details

CategoryModelsWarranty Period
Batteries12V 100Ah series5 years
Batteries12V 460Ah series5 years
Batteries38.4V-51.2V series12 years
Batteries48V Home Storage10 years
ChargersAll chargers2 years
AccessoriesAll accessories2 years

Returns & Exchanges

Product PurchasedExchange / Return
Within 12 monthsFree exchange or full refund
After 12 monthsDepreciation fee applies based on usage

Refund processing: 5-7 business days after we receive the returned item.

Warranty Exclusions

  • Disassembled, improperly installed, or operated contrary to instructions
  • Loose terminals or connections
  • Connected in series above 48V without authorization
  • Reverse polarity or incorrect charging
  • Improper storage or maintenance
  • Short circuit or physical damage
  • Collision, impact, or drop damage
  • Overcharging or undercharging
  • Third-party component failures
  • High-resistance connections
  • Tampering with battery cells or BMS
  • Stored for more than 1 year without charging
  • Commercial use exceeding 80% depth of discharge

Important: This warranty does not apply if the product is disassembled, improperly installed, or operated contrary to instructions. Always follow the included manual and consult our support team before installation.

How to File a Claim

01

Contact Us

Email Support@greebattery.com with your order number and issue description.

02

Documentation

Include clear photos or videos showing the defect. Attach proof of purchase.

03

Evaluation

Our technical team reviews your claim within 2 business days.

04

Resolution

Approved claims receive replacement or refund within 5-10 business days.

Gree Battery reserves the right to the final interpretation of this warranty policy. For questions about coverage, exclusions, or the claims process, please contact our support team.