---
product_id: 49847993
title: "AZAOSTE 21700 3750mA 40A 3.7v Flat Top Rechargeable Battery 2 Pack"
brand: "azaoste"
price: "1738467₫"
currency: VND
in_stock: false
category: "Health and Beauty"
url: https://www.desertcart.vn/products/49847993-azaoste-21700-3750ma-40a-3-7v-flat-top-rechargeable-battery
store_origin: VN
region: Vietnam
---

# AZAOSTE 21700 3750mA 40A 3.7v Flat Top Rechargeable Battery 2 Pack

**Brand:** azaoste
**Price:** 1738467₫
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** AZAOSTE 21700 3750mA 40A 3.7v Flat Top Rechargeable Battery 2 Pack by azaoste
- **How much does it cost?** 1738467₫ with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/49847993-azaoste-21700-3750ma-40a-3-7v-flat-top-rechargeable-battery)

## Best For

- azaoste enthusiasts

## Why This Product

- Trusted azaoste brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

AZAOSTE 21700 3750mA 40A 3.7v Flat Top Rechargeable Battery  Specifications: 1. Manufactured By: AZAOSTE 2. Battery Type: Lithium Ion Manganese Oxide 3. Size: 21700 4. Battery Capacity:3750 mAh 5. Battery Structure: Flat Top 6. Maximum Continuous Discharge Current: 40A 7. Nominal Voltage: 3.7V 8. Voltage at end of Discharge: 2.75V 9. Full Charge Voltage: 4.2V 10. Length: 2.76 inches (70 mm) 11. Diameter: 0.79 inches (21 mm) To ensure your safety and maintain the battery life and durability, we recommend you follow these rules: 1. Do not over-discharge or overcharge the battery. Doing so will shorten the battery life and sometimes, it can make it pop or leak. 2. Please do not short circuit or it will release massive current. 3. Do not play with fire! Do not dispose any kind of battery in or near any fire. 4. Do not stack more than one battery as it may potentially blowout and cause serious damage to yourself and the things around you. Notes: We do not recommend stacking more than one battery in your device because it may potentially blowout and cause serious harm.

## Features

- Capacity: 3750MAH 21700 Flat Top
- Cycle Life:More than 800 times Charges and Recharges
- Nominal voltage: 3.6v ,full charge voltage: 4.2v
- Continuous Discharge Rate: 20A / Max Discharge Rate (Pulse): 40A
- Length: 2.76 inches (70 mm),diameter: 0.79 inches (21 mm)

## Images

![AZAOSTE 21700 3750mA 40A 3.7v Flat Top Rechargeable Battery 2 Pack - Image 1](https://images-na.ssl-images-amazon.com/images/I/41x00wTnSmL.jpg)
![AZAOSTE 21700 3750mA 40A 3.7v Flat Top Rechargeable Battery 2 Pack - Image 2](https://images-na.ssl-images-amazon.com/images/I/511p13xBuJL.jpg)
![AZAOSTE 21700 3750mA 40A 3.7v Flat Top Rechargeable Battery 2 Pack - Image 3](https://images-na.ssl-images-amazon.com/images/I/41bxSJNAW6L.jpg)
![AZAOSTE 21700 3750mA 40A 3.7v Flat Top Rechargeable Battery 2 Pack - Image 4](https://images-na.ssl-images-amazon.com/images/I/41rmz3YqGQL.jpg)
![AZAOSTE 21700 3750mA 40A 3.7v Flat Top Rechargeable Battery 2 Pack - Image 5](https://images-na.ssl-images-amazon.com/images/I/41TGb3CkzXL.jpg)

---

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**Shop now:** [https://www.desertcart.vn/products/49847993-azaoste-21700-3750ma-40a-3-7v-flat-top-rechargeable-battery](https://www.desertcart.vn/products/49847993-azaoste-21700-3750ma-40a-3-7v-flat-top-rechargeable-battery)

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-24*