Lester Electrical is dedicated to enhancing the customer experience by providing excellent technical support. We want to help you get the most out of your battery charger. Please explore our service and support page and find video guides, FAQ’s and technical bulletins. These documents are provided to answer our most commonly asked questions and provide product use tutorials and installation guides.

Support Videos



HF Max

Atlas Chargers

Manuals & Documentation


Atlas - Manual

Power Sentinel - Manual

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Contact Us

The Lester Electrical team focuses on providing quality products for our customers. If you have questions or comments on our chargers not answered above, we are here for you. Please call or e-mail us for additional support from one of our experts.

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