Tazuma Warranty Policy

TAZUMA® Battery Warranty – Policy, Eligibility & Claim Requirements

 

This document provides the official TAZUMA® General Product Limited Warranty (North America), including coverage periods, approval criteria, and the documentation required for a warranty claim. The Tazuma warranty reflects the product’s value-focused positioning: solid AGM performance at a lower price point, with coverage periods that balance customer protection with fair use.

 

 

Warranty Coverage Periods

 

Battery Line Application Free Replacement Period
Starter (SLI) Automotive, light trucks, passenger vehicles 24 months
Deep Cycle Marine, RV, house loads, auxiliary power 18 months
Dual Purpose Start + auxiliary use (e.g., marine/RV combo) 18 months

 

 

 

What Will Be Approved by Tazuma

 

  • Battery has reached normal end-of-life (capacity loss from normal use).
  • Damage from sulfation due to undercharging, long-term discharge, or storage without charging.
  • Overcharging or alternator output out of specification.
  • Wrong application (e.g., starter battery used in deep-cycle duty).
  • Physical damage, tampering, missing/altered date codes.
  • Failures caused by system-level faults (e.g., faulty charging system, parasitic drain).
  • Purchases from unauthorized resellers, auction sites, or liquidators.

 

 

Required for Warranty Evaluation

 

To have your claim considered, the following must be provided:

  1. Physical battery returned to West Coast Batteries or an authorized reseller for testing.
  2. Proof of purchase (receipt or invoice) or verification via battery date code.
  3. Battery will be tested using an industry-standard conductance/resistance tester (Midtronics or DHC) under the AGM test setting.
  4. West Coast Batteries will complete the warranty paperwork, attach test results, and provide outcome.
  5. Batteries confirmed defective under warranty will be replaced free of charge within the coverage period.

 

 

Policy Notes

 

  • Warranty coverage applies to the original purchaser only and is non-transferable.
  • Free replacement only (no pro-rata credit or partial refunds).
  • Customer is responsible for removal/installation costs, shipping, and any incidental expenses.