FAQ

Alkaline batteries are a common type of disposable battery used in electronic devices. it operate based on a chemical reaction between an alkaline electrolyte and zinc and manganese dioxideas electrodes, producing the electric current.

The expiration date is appeared on the bottom of Voniko batteries, which represents the shelf-life. The manufacture date does not appear but can be deduced from the expiration date based on our shelf-life guarantee related to the product description.

The recommended operating temperature range is -14°F to +122°F.

No, we have patents for anti-leakage technology, which can’t destroy your valuable device.

In general, the alkaline batteries are safe for air travel so that can be allowed. But not all airlines allow batteries carried in checked baggage. Please consult your airline for more information.

Alkaline batteries may experience reduced performance in cold temperatures, but generally work within regular usage ranges.

It depends on where you live, for most parts of areas, around 7.5%.

No, it can’t. In case of recharge, battery may leak or explode.

Alkaline batteries have larger capacity, longer shelf-life, more leak-proof than zinc carbon batteries so that more adaptable to high discharge device.

Certainly not, The lifespan of the new battery will be shortened when they are mixed. What’s worse, the new battery could make used battery over discharged, cause leakage, then damage electric device.

Send e-mail to support@vonikoshop.com for more details.

Most devices indicate the required battery size. You can also refer to the device manual for accurate information.

Depending on the camera and usage conditions, they can power your device for hundreds of shots before needing replacement, making Voniko Lithium batteries ideal for photographers.

No, Voniko lithium battery is disposable & non-rechageable. They are convenient and perfect for on-the-go photography where recharging isn’t feasible.

No, Voniko lithium batteries have PTC protection devices, can prevent battery leakage caused by short circuit and better protect your expensive equipment.

The expiration date is appeared on the bottom of Voniko batteries, which represents the shelf-life. The manufacture date does not appear but can be deduced from the expiration date based on our shelf-life guarantee related to the product description.

No, Voniko lithium batteries are free from lead, mercury and cadmium, it can be classified as common household waste.

Typically yes, keep them in their original packaging or cover the terminals to prevent short circuits. But the rules can vary between airlines and countries. Check with the specific airline you are flying with and the relevant aviation authorities.

Alkaline manganese dioxide batteries are good all-around batteries for everyday electronic devices. Lithium iron disulfide batteries have greater performance for outdoor high-tech device. because they can withstand more extreme temperature and last longer than alkaline batteries. But Lithium is a more expensive technology, which means a higher price point. so the extra cost may not be justified in inexpensive devices. Note: lithium batteries are restricted as carry-on travel items by some airlines.

The lifespan depending on factors like its usage and the device it powers.

Generally, they can last from several months to a few years.

The expiration date is appeared on the package of Voniko coin cell batteries, which represents the shelf-life. The manufacture date does not appear but can be deduced from the expiration date based on our shelf-life guarantee related to the product description.

Store them in a cool, dry place away from direct sunlight and high humidity. Keep them out of children's reach.

If the device becomes less responsive, dim, or stops working, it's likely time to replace the button battery.

Most devices indicate the required battery size. You can also refer to the device manual for accurate information.

The material is Nickel Metal Hydride (NiMH) which has many advantages over other battery construction materials.

NiMH batteries are suitable for all high-energy, high-demand applications. The most common applications are digital cameras, flashlights and toys. If you find yourself regularly purchasing alkaline batteries for a particular application, then you should consider using rechargeable NiMH batteries.

Our batteries can be recharged up to 1000 times in overnight slow-charge mode.

Almost close to alkaline batteries. Many of today’s high-drain devices like digital cameras require replacing your batteries more often than you’re used to, so it's perfect for them!

Between 3 and 5 years, stored
at room temperature. To attain full capacity after extended storage may require a few charge/discharge cycles to obtain maximum performance.

Process within 2 business days of placing an order.

We currently only support logistics delivery in the US (excluding Alaska and Hawaii)  market.

Approximately 3-10 business days.

When your package has shipped, you will receive a confirmation via e-mail that also contains tracking information from the appropriate carrier.

If you want to change it before the product is sent, you can contact us we will deliver the goods to you according to the accurate address.

But we can't change the address once the product is in transit.

USPS, UPS, DHL are our logistics partners to ship out Voniko products. we will choose the carrier that we think works best for our customers.

Please provide us with your order number, and our customer support team will promptly investigate the issue with the logistics company. Rest assured, we are committed to ensuring you receive the product you ordered.

If your order has not been shipped, please contact us to cancel your order as soon as possible. Then we will refund to your payment account. However, the orders that have been shipped cannot be cancelled.

Yes, please contact us with your order number and reason for returning within 30 days of the receipt date on items purchased. We will provide you with a returns label and our warehouse address.
Noted: Shipping fees on returns are the responsibility of the customer unless product quality issues.

You have a window of 30 days to initiate the return on unboxed and unused items.

Upon receiving your return in our warehouse, we will process your refund. Until you receive the refund, it will take within 20 business days.

Refunds are processed back to the original payment method used.

Detailed return instructions can be found on our website Refund Policy.