---
product_id: 35955843
title: "CWK® New Replacement Laptop Notebook Battery for Acer Aspire UM09E70 UM09E71 UM09E78 Acer Aspire One 521 521h AO521 AO521 752 752h 1500 1520 1610 1620 Acer Aspire One 752 752H 521 521h AO521h UM09E56 UM09E70 UM09E75 Gateway EC1433u EC1458u EC1437u EC14D07u EC1417h EC1409u ZH7 EC1803U EC1805U Gateway ZH7 EC1437u EC14D07u EC1417h EC1409u EC1440u EC1454 EC1454u EC1455u EC1433u EC1458u ZH7 UM09E36"
brand: "kwc"
price: "$58.57"
currency: USD
in_stock: true
category: "Electronics"
url: https://www.desertcart.us/products/35955843-cwk-new-replacement-laptop-notebook-battery-for-acer-aspire-um09e70
store_origin: US
region: United States of America
---

# CWK® New Replacement Laptop Notebook Battery for Acer Aspire UM09E70 UM09E71 UM09E78 Acer Aspire One 521 521h AO521 AO521 752 752h 1500 1520 1610 1620 Acer Aspire One 752 752H 521 521h AO521h UM09E56 UM09E70 UM09E75 Gateway EC1433u EC1458u EC1437u EC14D07u EC1417h EC1409u ZH7 EC1803U EC1805U Gateway ZH7 EC1437u EC14D07u EC1417h EC1409u EC1440u EC1454 EC1454u EC1455u EC1433u EC1458u ZH7 UM09E36

**Brand:** kwc
**Price:** $58.57
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** CWK® New Replacement Laptop Notebook Battery for Acer Aspire UM09E70 UM09E71 UM09E78 Acer Aspire One 521 521h AO521 AO521 752 752h 1500 1520 1610 1620 Acer Aspire One 752 752H 521 521h AO521h UM09E56 UM09E70 UM09E75 Gateway EC1433u EC1458u EC1437u EC14D07u EC1417h EC1409u ZH7 EC1803U EC1805U Gateway ZH7 EC1437u EC14D07u EC1417h EC1409u EC1440u EC1454 EC1454u EC1455u EC1433u EC1458u ZH7 UM09E36 by kwc
- **How much does it cost?** $58.57 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/35955843-cwk-new-replacement-laptop-notebook-battery-for-acer-aspire-um09e70)

## Best For

- kwc enthusiasts

## Why This Product

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

## Description

CWK Platinum Quality Features: * Condition: Brand New - Grade A cells* Low power consumption IC design* Over-charge/discharge protection * Over-heat/current protection * Short-circuit protection* Fully compatible with the original laptops* Tested with strict quality control standardsCompatible models & part#:Acer Aspire UM09E70 UM09E71 UM09E78 Acer Aspire One 521 521h AO521 AO521 752 752h 1500 1520 1610 1620 Acer Aspire One 752 752H 521 521h AO521h UM09E56 UM09E70 UM09E75 Gateway EC1433u EC1458u EC1437u EC14D07u EC1417h EC1409u ZH7 EC1803U EC1805U Gateway ZH7 EC1437u EC14D07u EC1417h EC1409u EC1440u EC1454 EC1454u EC1455u EC1433u EC1458u ZH7 UM09E36 Buy with confidence!24 Month WarrantyShip the same or next business day Guaranteed24 x 7 Email Support100% New Components - never refurbished, recycles, or used100% OEM Compatible - Guaranteed to meet the specifications of your original deviceNearly all our products have UL, CE and RoHS certificates.Peace of mind exclusive 100k product protectionCopyright CWK © 2015 All Rights Reserved.

## Features

- Condition: Brand New - Grade A cells
- Battery Type: Li-ion
- Voltage: 10.8 Volt (11.1 Volt compatible)
- Capacity: 5200mAh (Better than 4400mAh)
- 2 Year Warranty; Buy with confidence!

## Images

![CWK® New Replacement Laptop Notebook Battery for Acer Aspire UM09E70 UM09E71 UM09E78 Acer Aspire One 521 521h AO521 AO521 752 752h 1500 1520 1610 1620 Acer Aspire One 752 752H 521 521h AO521h UM09E56 UM09E70 UM09E75 Gateway EC1433u EC1458u EC1437u EC14D07u EC1417h EC1409u ZH7 EC1803U EC1805U Gateway ZH7 EC1437u EC14D07u EC1417h EC1409u EC1440u EC1454 EC1454u EC1455u EC1433u EC1458u ZH7 UM09E36 - Image 1](http://ecx.images-amazon.com/images/I/41EOz3xIRiL.jpg)
![CWK® New Replacement Laptop Notebook Battery for Acer Aspire UM09E70 UM09E71 UM09E78 Acer Aspire One 521 521h AO521 AO521 752 752h 1500 1520 1610 1620 Acer Aspire One 752 752H 521 521h AO521h UM09E56 UM09E70 UM09E75 Gateway EC1433u EC1458u EC1437u EC14D07u EC1417h EC1409u ZH7 EC1803U EC1805U Gateway ZH7 EC1437u EC14D07u EC1417h EC1409u EC1440u EC1454 EC1454u EC1455u EC1433u EC1458u ZH7 UM09E36 - Image 2](http://ecx.images-amazon.com/images/I/41IG7GgP7pL.jpg)
![CWK® New Replacement Laptop Notebook Battery for Acer Aspire UM09E70 UM09E71 UM09E78 Acer Aspire One 521 521h AO521 AO521 752 752h 1500 1520 1610 1620 Acer Aspire One 752 752H 521 521h AO521h UM09E56 UM09E70 UM09E75 Gateway EC1433u EC1458u EC1437u EC14D07u EC1417h EC1409u ZH7 EC1803U EC1805U Gateway ZH7 EC1437u EC14D07u EC1417h EC1409u EC1440u EC1454 EC1454u EC1455u EC1433u EC1458u ZH7 UM09E36 - Image 3](http://ecx.images-amazon.com/images/I/31lRhi6SzlL.jpg)

---

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**Shop now:** [https://www.desertcart.us/products/35955843-cwk-new-replacement-laptop-notebook-battery-for-acer-aspire-um09e70](https://www.desertcart.us/products/35955843-cwk-new-replacement-laptop-notebook-battery-for-acer-aspire-um09e70)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-11*