Lakehead Inkjet & Toner ft. Thunder Battery

Lakehead Inkjet & Toner ft. Thunder Battery Previously known as Battery Doctors in Thunder Bay. We are Locally Owned & Operated! We Guarantee the lowest national price on ALL products we carry (even NOCO)

Shopped at our store before? Feel free to park after 5:30PM and enjoy the CLE!Please do not park in our neighbor’s parki...
08/04/2026

Shopped at our store before? Feel free to park after 5:30PM and enjoy the CLE!

Please do not park in our neighbor’s parking lot. We have four parking stalls, marked with signs.

We are now accepting applications for B2B, wholesale and fleet accounts. https://thunderbattery.ca/pages/b2bOur business...
07/25/2026

We are now accepting applications for B2B, wholesale and fleet accounts. https://thunderbattery.ca/pages/b2b

Our business account program is designed for organizations that regularly purchase automotive, commercial, deep-cycle, powersport or renewable-energy products.

Submit your inquiry online, select pickup or delivery, and tell us about your company’s purchasing requirements. A member of our team will respond within 1–2 business days.

Once your B2B account is approved, your assigned pricing class will be connected directly to your customer account.

When you log in, B2B pricing will automatically appear on most eligible in-stock products. There is no need to contact us for a quote or request a manual price adjustment.

Simply:

Log in to your approved business account.
Browse the online catalog.
Add the products you need to your cart.
Submit your purchase order through the website.

Your assigned pricing class will also apply when shopping in-store, so you will receive the same account pricing whether you purchase online or in-store.

Please note: Some products, special orders, clearance items or supplier-restricted products may not qualify for automatic B2B pricing.

07/21/2026

🚨 REWARD OFFERED FOR INFORMATION 🚨

In the early hours of this morning at approximately 3:16 AM, our business was broken into.

The suspect arrived on a bicycle, was wearing a yellow hoodie and gray sweatpants, and smashed our back door before stealing our cash register, which has Battery Doctors stickers on it.

We are offering a cash reward for information that leads to the identification and arrest of the individual responsible.

If you recognize this person, saw anyone matching this description, or have security camera footage from the area around that time, please contact the Thunder Bay Police Service and reference this break and enter at 714 May St. N. You can also send us a private message. Any information could make a difference.

Please share this post to help us identify the person responsible. Thank you to everyone for your support.

We need to stick together as a community to keep small businesses alive.

Never be left in the dark again.Whether it’s a storm, grid outage, or off-grid use, the new Cabin Apex E-Series Home Bac...
07/18/2026

Never be left in the dark again.

Whether it’s a storm, grid outage, or off-grid use, the new Cabin Apex E-Series Home Backup System gives you complete control over your home’s power.

🏡 Perfect for:
✅ Homes
✅ Cottages
✅ Off-grid properties
✅ Small businesses

Pair the 11.4kW Hybrid Inverter with one or more 16kWh Apex E-Series Batteries to create a backup power system that automatically keeps your essential circuits running when the grid goes down. Add solar panels and you can continue charging your batteries during extended outages. The inverter can also charge from the grid or a generator, automatically switching to stored battery power when needed.

✔ Automatic backup during outages
✔ Intelligent energy management
✔ Expandable battery capacity
✔ Monitor your system from anywhere using the mobile app
✔ Quiet, indoor installation
✔ Compatible with solar, generator, and utility power

With power outages becoming more common, investing in a home battery backup system means protecting your family, keeping your food cold, maintaining internet connectivity, and ensuring your home stays powered when it matters most.

📍 Visit Thunder Battery to learn more or request a custom home backup solution designed specifically for your energy needs through our partnered consultation service.

📞 Contact us today for custom pricing

Important Update Regarding Battery Inspections:We are extremely grateful that so many people in Thunder Bay trust us as ...
07/14/2026

Important Update Regarding Battery Inspections:

We are extremely grateful that so many people in Thunder Bay trust us as their first choice for free battery inspections.

This year, we have received a record number of batteries for testing. While we are happy to help, thorough battery testing can be very time-consuming, especially when batteries require charging or additional inspection before accurate results can be provided.

Because we currently operate from a very small shop, it has become increasingly difficult to manage the number of batteries being left with us while still meeting customer expectations.

We are actively working toward purchasing a larger building that will allow us to better serve our customers. In the meantime, we have had to update our battery inspection policy.

Please take a moment to read the policy before bringing in any batteries that will need to be left with us for testing.

Thank you for your patience, understanding, and continued support of our local business. We truly appreciate it.

07/08/2026

⚡ Power Up Your Electric Bike with Graphene Gel Technology, with an introductory sale price of $79.99!

Looking for a reliable replacement battery for your electric bike, scooter, or mobility setup that require a 6-DZF-20 size? We now carry the Enerwatt GELGR12-28 Graphene Gel Battery — 12V 28Ah.

✅ 12V 28Ah sealed gel battery
✅ Great for electric bikes, scooters, mobility equipment, and other deep-cycle applications
✅ Maintenance-free design
✅ Graphene gel technology for dependable performance
✅ Available in-store at Thunder Battery next week

Whether you’re replacing tired batteries or getting your ride ready for the season, we can help match the right battery setup for your e-bike.

📍 Visit Thunder Battery
714 May St. N, Thunder Bay, ON
📞 Call us today: 807-623-9011

07/08/2026

Only interested in the best? The Enerwatt EWLI-12V120BH LiFePO4 Battery — a powerful Group 31 LiFePO4 battery built for reliable deep-cycle performance, on sale for $599.99 in-store only

✅ 12.8V 120Ah LiFePO4 battery
✅ 1536Wh of usable energy
✅ Built-in Bluetooth monitoring
✅ Heated design for cold-weather use
✅ Lightweight compared to traditional lead-acid batteries
✅ Long 96-month free replacement warranty, handled completely in-house
✅ Great for RVs, marine, solar, campers, trolling motors, and off-grid power systems

LiFePO4 batteries offer longer cycle life, faster charging, lighter weight, and more usable power compared to traditional lead-acid batteries.

📍 Available at Thunder Battery
714 May St. N, Thunder Bay, ON
📞 Call us today: 807-623-9011

Address

Thunder Bay, ON

Opening Hours

Monday 9am - 5:30pm
Tuesday 9am - 5:30pm
Wednesday 9am - 5:30pm
Thursday 9am - 5:30pm
Friday 9am - 5:30pm
Saturday 10am - 2pm

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