Frequently Asked Question

Last Updated 6 months ago

Lithium batteries must be used under specific conditions and according to the manufacturer's recommendations. It is necessary to use a specific charger / balancer for Lithium batteries (Li-Polymer or Li-Ion).

It is imperative to never charge a battery more than 4.20V per cell. Likewise, a battery should never be over-discharged, that is to say below 3.40V per cell, under penalty of permanently damaging it or starting a fire.

It is also important to monitor the level of discharge of your battery. To be able to expect the maximum life from your batteries, it is recommended that you let them cool for about two hours after use before recharging them again.

As a user, you must strictly follow the manufacturer's instructions for use. In fact, since batteries are wear items (consumables), the service life is directly linked to their conditions of use.

The battery warranty is for 3 months from the date of purchase.

Except in the case where the complaint is formulated within the framework of the legal guarantee of conformity, it is up to the Customer to provide any justification as to the reality of the defects or anomalies observed.
You will have to leave us every facility to proceed to the observation of these defects or anomalies.

Any return of product must be the subject of an agreement and will give rise, as the case may be, to repair, replacement of the products, the establishment of a credit note or a refund from the Customer, after qualitative and quantitative verification. of returned products.

  • The products must be returned with all the accessories, box and instructions that may be provided.
  • The costs and risks of the return remain the responsibility of the Customer.
  • If the product is not received by Optimum-Racing, no repair, replacement, credit note or refund can be granted,
  • In the event of a guarantee requested by the customer, all transport costs will be borne by the customer.

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