Locations
Become an installer
Media kit

Need help? 1-800-228-8379

Welcome

Log in
Create an account

Car & truck batteries
Hybrid & electric
Roadside assistance
All categories

Digital Cameras

Home
Device Batteries
Digital Cameras
BenQ
DC C840

Device Batteries for BenQ DC C840

Items not Available for your BenQ DC C840 Online.

Need help? Here is what you can do

Call help at 1-800-228-8379

Get in touch with our support

Here to help

Let’s get you taken care of.

Questions about your battery or your order? Get in touch.

Call our team1-800-228-8379 Send an emailinfo@1800battery.com

The largest Battery Marketplace in North America. Over 10,000 products, 250,000 locations, and 1,000,000 needs served. From Cars to Coin Cells we have everything available.

Services

Car & truck battery replacement
Hybrid & electric batteries
Roadside assistance
Locations

Support

Frequently asked questions
Shipping & returns
Return policy

Company

About 1-800-Battery
Media kit
Fleet Advantage Program
Become an installer

Your account

Log in
Create an account

Terms of use
Privacy policy
Disclaimers
Consent preferences

Do not sell or share my personal information
Limit the use of my sensitive personal information

© 2026 1-800-Battery Inc. All rights reserved.
1-800-Battery® is a registered trademark.