---
product_id: 675575360
title: "Genuine ONEPWR 4.0Ah MAX Battery Replacement, 3 Year Warranty, Fits every ONEPWR product, BV29040V, Black"
brand: "vax"
price: "₨71015"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/675575360-genuine-onepwr-4-0ah-max-battery-replacement-3-year-warranty
store_origin: LK
region: Sri Lanka
---

# 4.0Ah MAX power capacity LED runtime indicators 3-hour fast charging Genuine ONEPWR 4.0Ah MAX Battery Replacement, 3 Year Warranty, Fits every ONEPWR product, BV29040V, Black

**Brand:** vax
**Price:** ₨71015
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your clean with unstoppable ONEPWR energy!

## Quick Answers

- **What is this?** Genuine ONEPWR 4.0Ah MAX Battery Replacement, 3 Year Warranty, Fits every ONEPWR product, BV29040V, Black by vax
- **How much does it cost?** ₨71015 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/675575360-genuine-onepwr-4-0ah-max-battery-replacement-3-year-warranty)

## Best For

- vax enthusiasts

## Why This Product

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

## Key Features

- • **Power Through Every Task:** 4.0Ah MAX battery ensures longer cleaning sessions without interruption
- • **Speedy Recharge, Less Downtime:** Fast 3-hour charging gets you back to cleaning in no time
- • **Universal ONEPWR Compatibility:** Seamlessly fits every ONEPWR device from vacuums to spot cleaners
- • **Confidence with 3-Year Warranty:** Trusted VAX quality backed by a 3-year guarantee for peace of mind
- • **Stay Informed with LED Indicators:** Built-in diagnostics keep you updated on remaining runtime

## Overview

The Genuine VAX ONEPWR 4.0Ah MAX Battery Replacement delivers extended runtime and fast charging for all ONEPWR devices. Featuring LED runtime indicators and backed by a 3-year warranty, this premium battery ensures reliable performance and peace of mind for your cleaning arsenal.

## Description

Vax Genuine ONEPWR 4.0Ah MAX Battery Replacement, 3 Year Warranty, Fits every ONEPWR product, BV29040V, Black

## Features

- GENUINE VAX ONEPWR 4.0Ah MAX BATTERY – Works with every ONEPWR product from hard floor cleaners to vacuums, spot cleaners and more
- 3 YEAR GUARANTEE – Trusted VAX ONEPWR quality for extra peace of mind
- FAST CHARGING – Fully charge your battery from empty in just 3 hours, or partly charge if you only need to do a quick clean
- LED RUNTIME INDICATORS – With built in diagnostic LEDs, always know your remaining runtime
- PREMIUM BATTERIES ENGINEERED FOR RELIABILITY – Constant battery performance, even when the battery is low
- WHAT'S IN THE BOX - VAX ONEPWR 4.0Ah MAX Battery, contact our award winning after-sales support team on 0330 026 8455

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Vax |
| Model Number | BV29040V |
| Colour | Black |
| Package Dimensions | 15.1 x 12.4 x 7.7 cm; 660 g |
| Material | Plastic |
| Item Weight | 660 g |

## Product Details

- **Number of batteries:** 1 Lithium Ion batteries required. (included)
- **Brand:** Vax
- **Battery cell composition:** Lithium Ion
- **Recommended uses for product:** Vacuum Cleaner
- **Unit count:** 1.0 Count

## Images

![Genuine ONEPWR 4.0Ah MAX Battery Replacement, 3 Year Warranty, Fits every ONEPWR product, BV29040V, Black - Image 1](https://m.media-amazon.com/images/I/61jYuJNU4ML.jpg)

## Available Options

This product comes in different **Colour Name** options.

## Frequently Bought Together

- Vax Genuine ONEPWR 4.0Ah MAX Battery Replacement, 3 Year Warranty, Fits every ONEPWR product, BV29040V, Black
- Vax Genuine OnePWR Slide Charger, Over-Charge, Short Circuit and Reverse Polarity Protection, Black

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**Shop now:** [https://www.desertcart.lk/products/675575360-genuine-onepwr-4-0ah-max-battery-replacement-3-year-warranty](https://www.desertcart.lk/products/675575360-genuine-onepwr-4-0ah-max-battery-replacement-3-year-warranty)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-05*