# Rechargeable 21700 Li-ion Battery Nitecore 21700 5500mAh 20A 3.6V

**URL:** https://aio.lv/en/product--nitecore-nitnl2155hpi--11879547
**Data updated:** 2026-03-09 20:46 (EET)
**Category:** Batteries
**Manufacturer:** Nitecore
**Manufacturer code:** NITNL2155HPI
**EAN:** 6952506497225
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 46.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 38.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--nitecore-nitnl2155hpi--11879547

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

Cylindrical rechargeable 21700 Li‑ion battery from Nitecore with 5500mAh capacity, 20A maximum continuous discharge and nominal voltage 3.6V. Designed for high-capacity and moderate‑current applications such as high‑drain flashlights, power banks, and portable electronics. Suitable for devices requiring 21700 cells; follow manufacturer guidelines for charging and safe use.

## Long description

The Rechargeable 21700 Li-ion Battery Nitecore 21700 5500mAh 20A 3.6V is a high‑capacity cylindrical cell designed for devices that accept 21700 format batteries. With a nominal voltage of 3.6V and a rated capacity of 5500mAh, this cell provides extended runtime for portable electronics. The battery supports continuous discharge currents up to 20A, making it suitable for moderate‑drain applications where a balance of capacity and current delivery is required.
Advantages
This Nitecore 21700 battery offers a large energy reserve combined with stable nominal voltage and reliable continuous discharge capability. The cell construction emphasizes capacity retention and safe operation when used within specified current and charging limits. Its 21700 form factor provides higher energy density compared with smaller cylindrical cells, allowing longer run times in compatible devices.
Suitable for
High‑capacity flashlights and headlamps that accept 21700 cells
Power banks and portable chargers using 21700 cells
Portable electronics and devices requiring extended runtime
Moderate‑current tools and equipment with a 20A continuous draw limit
Key specifications
Cell type: Rechargeable Li‑ion cylindrical 21700
Nominal voltage: 3.6 V
Rated capacity: 5500 mAh
Maximum continuous discharge current: 20 A
Form factor: 21700 (standard cylindrical profile)
How to use
Install the cell in devices that explicitly specify compatibility with 21700 Li‑ion batteries and observe polarity markings. Charge only with chargers designed for rechargeable lithium‑ion cells and follow the charger manufacturer’s instructions. Avoid charging or discharging above the specified current limits and do not use damaged or swollen cells. Store batteries at moderate temperatures and partial state of charge if long‑term storage is required.
Usage recommendations
Follow manufacturer guidelines for charging rates and safe handling. Use a compatible charger with proper cell termination and protection, monitor the cell for signs of damage, and avoid exposing the battery to extreme heat, mechanical damage, or water. Replace cells that show physical deformation or significant capacity loss.

## FAQ

### How much does the Nitecore 21700 5500mAh 20A 3.6V rechargeable cell cost, and is it available for purchase?

The price is 46.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 01.07.2026 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 Nitecore 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 Nitecore 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

## Image

https://aio.lv/img/cache/product/11879547/68510766_large.webp