# Rechargeable Li-Ion 18650 batteries Petromax 3450mAh set of 4 for Petromax LM500 LED lantern

**URL:** https://aio.lv/en/product--petromax-px-18650-bat--11999765
**Data updated:** 2026-03-11 18:32 (EET)
**Category:** Batteries
**Manufacturer:** Petromax
**Manufacturer code:** PX-18650-BAT
**EAN:** 4250435705209
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 33.49 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 27.68 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--petromax-px-18650-bat--11999765

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

Set of four Petromax rechargeable Li‑Ion 18650 batteries with 3450mAh capacity, designed for use with the Petromax LM500 LED lantern. These 3.7V cells provide high-capacity power for extended runtime, suitable for camping, emergency lighting, and outdoor activities. Intended as replacement/backup batteries compatible with devices accepting 18650 format.

## Long description

Set of four rechargeable Li‑Ion 18650 batteries with a capacity of 3450mAh and nominal voltage of 3.7V, designed for use with the Petromax LM500 LED lantern and other devices that accept 18650 cells. These high‑capacity cells serve as replacement or backup power, delivering extended runtime for lighting and portable equipment. The pack contains four identical cylindrical cells sized to the 18650 standard for compatibility with most devices built for this battery format.
Advantages
High capacity 3450mAh cells provide longer operating time compared with lower‑capacity 18650 cells, reducing the need for frequent recharging during extended outdoor use. Rechargeable Li‑Ion chemistry offers a favorable energy‑to‑weight ratio and consistent voltage output across discharge. Supplied as a matched set of four, the batteries are ready to install together for balanced performance in multi‑cell devices such as the Petromax LM500 LED lantern.
Suitable for
 Petromax LM500 LED lantern (replacement or backup cells)
 Camping and outdoor lighting
 Emergency and backup power for portable lamps
 Other devices specifying 18650 rechargeable cells
Key specifications
 Cell type: Lithium‑ion (Li‑Ion), cylindrical 18650 format
 Nominal capacity: 3450 mAh
 Nominal voltage: 3.7 V
 Quantity: set of 4 identical cells
 Typical use: high‑capacity power for LED lanterns and portable electronics
How to use
Install the cells according to the device manufacturer’s polarity markings and instructions. For use in multi‑cell devices, insert all four batteries together to ensure balanced runtime and performance. Charge the batteries with a compatible charger designed for 18650 Li‑Ion cells, following the charger's instructions and recommended charging current. Do not force cells into incompatible battery compartments or attempt to modify their terminals.
Usage recommendations
Store batteries in a cool, dry place and avoid exposure to extreme heat or direct sunlight. Use a charger intended for lithium‑ion cells and never leave charging batteries unattended for extended periods. Inspect cells periodically for damage, leakage, or deformation and replace any cell that shows signs of wear. Follow all safety guidance from the device and charger manufacturers to ensure safe operation.

## FAQ

### How much does the Petromax 18650 Li‑Ion 3450mAh batteries set of 4 cost, and is it available for purchase?

The price is 33.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 13.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Petromax products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Petromax service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty