---
product_id: 643466687
title: "21.6V 3.5Ah Replacement Battery for Tineco A11 Hero & A11 Hero EX & A11 Tango, Cordless Vacuum Cleaner Replacement Battery"
brand: "supowill"
price: "A$33"
currency: AUD
in_stock: false
url: https://www.desertcart.com.au/products/643466687-21-6v-3-5ah-replacement-battery-for-tineco-a11-hero
store_origin: AU
region: Australia
---

# 2X Runtime 21.6V Power 1000 Charge Cycles 21.6V 3.5Ah Replacement Battery for Tineco A11 Hero & A11 Hero EX & A11 Tango, Cordless Vacuum Cleaner Replacement Battery

**Brand:** supowill
**Price:** A$33
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Power Your Clean with Confidence!

## Quick Answers

- **What is this?** 21.6V 3.5Ah Replacement Battery for Tineco A11 Hero & A11 Hero EX & A11 Tango, Cordless Vacuum Cleaner Replacement Battery by supowill
- **How much does it cost?** A$33 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/643466687-21-6v-3-5ah-replacement-battery-for-tineco-a11-hero)

## Best For

- supowill enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** Fully certified by industry standards for peace of mind while you clean.
- • **Power Up Your Clean:** Experience 2X longer runtime with our upgraded 21.6V lithium-ion battery!
- • **Seamless Compatibility:** Perfectly replaces Tineco A11 batteries for uninterrupted cleaning.
- • **Longevity You Can Trust:** Rechargeable up to 1000 times with a minimal self-discharge rate.
- • **Smart Protection Technology:** Equipped with advanced BMS for safety against overheating and short circuits.

## Overview

The 21.6V 3.5Ah Replacement Battery for Tineco A11 series vacuums offers double the runtime, advanced safety features, and compatibility with multiple models, ensuring a reliable and efficient cleaning experience.

## Description

Full description not available

## Features

- 🏡[Upgraded Battery with 2X Longer Runtime]🌟: Type: Lithium-ion | Voltage: 21.6V | Capacity: 3500mAh | Watt: 75.6Wh (Offers 2X more power than the original tineco battery). Lithium-ion battery for Tineco a11 battery delivers fade-free power with no memory loss after charging.
- 🎁[ Perfect Replacement For Tineco Battery ]🔌: Perfect Replacement for Tineco A11 battery Cordless Power Equipment Battery A11-01 A11-02 A11-04 A11-06 6INR19/65 6INR19/66. Suitable for charging station CH1769B YLS0241A-T260070 CHA12NA. Make your Tineco A11 Hero/A11 Hero EX/A11 Tango/A11 PET/A11 PET EX cordless stick vacuum work more longer.
- 🔋[ Longevity Enhanced & Smart Ecp Protection ]👍: With a Recharge Cycle of 1000 Times and a More 1% Self-discharge Rate, The Supowill Replacement for Tineco Battery Ensures Flawless Operation for Up to 5 Years. Enhanced by a Battery Management System (BMS), It Provides Effective Protection Against Potential Damage from Short Circuits, Overcharging/Discharging, Over-voltage, and Overheating.
- 🛡️[ Fully Certified and Absolute Safety ]🔐: Fully certified by UL /CE /FCC /PSE /ROHS /ISO9001 /CB /MSDS /UN38.3, Our charger meets rigorous industry standards, offering a safe and reliable charging solution. Tested by manufacturers to match OEM specifications, it's your assurance of quality and safety.
- 📧[ 2 Year Free Full Refund Or Replacement Only, No Repair ] 💝: If You Have Any Questions About The Replacement For Tineco a11 battery, You Can Click The "𝐀𝐬𝐤 𝐀 𝐐𝐮𝐞𝐬𝐭𝐢𝐨𝐧" On Our Storefront Or In "𝐘𝐨𝐮𝐫 𝐎𝐫𝐝𝐞𝐫" Options Click The "𝐂𝐨𝐧𝐭𝐚𝐜𝐭 𝐒𝐞𝐥𝐥𝐞𝐫".We Are Committed To Resolving Any Situation In Which Our Product Does Not Meet Your Expectations.

## Product Details

- **Number of Batteries:** 1 Lithium Ion batteries required. (included)
- **Brand:** Supowill
- **Battery Cell Composition:** Lithium Ion
- **Battery Capacity:** 3.5 Amp Hours
- **Recommended Uses For Product:** Vacuum Cleaner

## Images

![21.6V 3.5Ah Replacement Battery for Tineco A11 Hero & A11 Hero EX & A11 Tango, Cordless Vacuum Cleaner Replacement Battery - Image 1](https://m.media-amazon.com/images/I/51ryFIQ43AL.jpg)
![21.6V 3.5Ah Replacement Battery for Tineco A11 Hero & A11 Hero EX & A11 Tango, Cordless Vacuum Cleaner Replacement Battery - Image 2](https://m.media-amazon.com/images/I/81ADt+DXOQL.jpg)
![21.6V 3.5Ah Replacement Battery for Tineco A11 Hero & A11 Hero EX & A11 Tango, Cordless Vacuum Cleaner Replacement Battery - Image 3](https://m.media-amazon.com/images/I/71T1Xg7dRKL.jpg)
![21.6V 3.5Ah Replacement Battery for Tineco A11 Hero & A11 Hero EX & A11 Tango, Cordless Vacuum Cleaner Replacement Battery - Image 4](https://m.media-amazon.com/images/I/71qo4-s3UTL.jpg)
![21.6V 3.5Ah Replacement Battery for Tineco A11 Hero & A11 Hero EX & A11 Tango, Cordless Vacuum Cleaner Replacement Battery - Image 5](https://m.media-amazon.com/images/I/71EyOAUsWXL.jpg)

---

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**Shop now:** [https://www.desertcart.com.au/products/643466687-21-6v-3-5ah-replacement-battery-for-tineco-a11-hero](https://www.desertcart.com.au/products/643466687-21-6v-3-5ah-replacement-battery-for-tineco-a11-hero)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-18*