The Canon 40D is a fantastic camera, and keeping it powered with the right battery is key. The original Canon LP-E6 is a reliable choice, but premium third-party options like the Neewer LP-E6 or BM Premium LP-E6 often offer better value and performance without sacrificing quality.
Proven Battery for Canon 40D: Best Choice
So, you’ve got a trusty Canon 40D camera and you’re ready to capture some amazing shots. One of the most important things for any camera, especially for those longer photo sessions, is having a reliable battery. It can be super frustrating when your battery dies just as you’re about to snap that perfect picture! Don’t worry, finding the best battery for your Canon 40D is easier than you think. We’ll walk you through the top choices, what to look for, and how to keep your camera shooting for longer.
This guide will help you understand your battery options so you can get back to what you do best – taking great photos. Let’s dive in and find the perfect power source for your Canon 40D!
Understanding Your Canon 40D’s Battery Needs
Your Canon 40D uses a specific type of battery that needs to be compatible with its power system. Knowing what type of battery your camera needs is the first step to ensuring it performs at its best. The Canon 40D was designed to work with the Canon LP-E6 battery pack. This lithium-ion battery offers a good balance of power and longevity for most shooting scenarios.
When you’re looking for a replacement or an extra battery, you’ll want to consider a few key factors. These include the battery’s capacity (measured in mAh), its voltage, and its overall build quality. A higher mAh rating generally means longer shooting times. Voltage needs to match what your camera expects, and while most reputable batteries will adhere to this, it’s always good to double-check.
Original Canon LP-E6 vs. Third-Party Options
There are generally two main categories of batteries you’ll find for your Canon 40D: original Canon batteries and third-party alternatives. Both have their pros and cons.
Original Canon LP-E6 Battery
The genuine Canon LP-E6 battery is designed and manufactured by Canon to meet their exact specifications. This ensures perfect compatibility and optimal performance with your 40D.
- Pros:
- Guaranteed compatibility and performance.
- High-quality and reliable.
- Often comes with a warranty from Canon.
- Works seamlessly with Canon chargers.
- Cons:
- Typically the most expensive option.
- You might need to buy multiple to have enough power for extended shoots.
Third-Party LP-E6 Batteries
The market is flooded with third-party batteries that aim to offer a more affordable alternative to the original. Many of these are produced by reputable brands that specialize in camera accessories.
- Pros:
- Significantly more affordable than OEM batteries.
- Often available in higher mAh capacities, potentially offering longer life.
- You can often buy several for the price of one original battery.
- Many reputable brands offer good quality and reliability.
- Cons:
- Quality can vary significantly between brands.
- Some cheaper alternatives might have inconsistent performance or shorter lifespans.
- Occasional compatibility issues can arise, though this is rare with well-known brands.
- May not always be recognized exactly the same way by the camera’s battery meter.
What to Look for in a Canon 40D Battery
When you’re choosing a battery, it’s not just about the brand name. There are specific features and specifications that will help you make the best decision for your needs. Think of it like choosing the right tires for your car – you want something reliable and suited for the job!
Capacity (mAh)
The capacity of a battery is measured in milliampere-hours (mAh). A higher mAh number means the battery can supply more power over a longer period. For the Canon 40D, the original LP-E6 typically hovers around 1800 mAh.
- Higher mAh: Generally means you can take more photos on a single charge.
- Consider your shooting style: If you shoot a lot of video or use live view frequently, you’ll drain the battery faster, so a higher mAh battery can be a big help.
Voltage
The voltage of the battery must match the camera’s requirements. The Canon LP-E6 is a 7.2V battery. It’s crucial that any replacement battery you choose is also rated for 7.2V to avoid damaging your camera.
Cell Quality
The quality of the battery cells used inside the pack makes a huge difference in performance and lifespan. Reputable manufacturers often use cells from well-known suppliers like Panasonic, Samsung, or LG, which are known for their quality and stability.
Safety Features
Good quality batteries will have built-in safety circuits to protect against overcharging, over-discharging, short circuits, and overheating. These are essential for both the longevity of the battery itself and the safety of your camera and yourself.
Brand Reputation and Reviews
Before you buy, always check the reputation of the third-party brand. Look for reviews from other Canon 40D users. Real-world experiences can tell you a lot about a battery’s actual performance, how long it lasts, and if there are any common issues.
Top Battery Choices for Your Canon 40D
Based on research and common recommendations, here are some of the best battery options for your Canon 40D. We’re looking for that sweet spot of performance, reliability, and value.
1. Original Canon LP-E6
As mentioned, the original is always a safe bet. If budget isn’t a concern and you want absolute peace of mind, this is the way to go.
- Where to buy: Authorized Canon dealers, major electronics retailers.
- Why it’s good: Unmatched compatibility, Canon’s quality assurance.
2. Neewer LP-E6 Batteries
Neewer is a popular brand for camera accessories, and their LP-E6 batteries are often praised for their good performance at a great price. They usually offer capacities similar to or slightly higher than the original.
- Capacity: Often around 1800-2000 mAh.
- Pros: Excellent value, reliable performance, widely available.
- Cons: May not last quite as long as an original in all scenarios, but very close.
3. BM Premium LP-E6 Batteries
BM Premium is another brand that consistently gets positive mentions for offering solid, affordable replacement batteries. They focus on providing packs that meet or exceed the original specifications.
- Capacity: Typically in the 1800-2000 mAh range.
- Pros: Good capacity, reliable, cost-effective.
- Cons: Like most third-party options, performance can sometimes be slightly less consistent than OEM.
4. Wasabi Power Battery (LP-E6)
Wasabi Power is known for its interchangeable camera batteries and chargers. Their LP-E6 offering is a popular choice for many photographers looking for a cost-effective alternative.
- Capacity: Often listed around 1970 mAh for their higher capacity versions.
- Pros: Often bundled with a charger, good capacity, generally reliable.
- Cons: Build quality, while good for the price, might not feel as robust as OEM.
5. Digimax LP-E6
Digimax is another contender in the third-party battery market, offering batteries that are designed to be direct replacements for the Canon LP-E6. They aim to provide a decent lifespan and performance at a lower cost.
- Capacity: Usually around 1800-1900 mAh.
- Pros: Affordable, direct replacement for Canon.
- Cons: Less widely reviewed than some other brands, so checking specific reviews is recommended.
Battery and Charger Kits
Often, you can find great deals by purchasing battery and charger kits. These are usually from third-party brands and can be an excellent way to get a spare battery and a reliable charger at a good price. They are especially useful if your original Canon charger is lost or you just want a secondary charging option.
What to Look for in a Kit:
- Charger Compatibility: Ensure the charger is specifically designed for the LP-E6 battery.
- Charging Speed: Some chargers are faster than others.
- Portability: Many kits include compact chargers, some even with USB or car adapters.
- Number of Batteries: Kits often come with one or two batteries.
A popular example of a kit would be something like the Neewer LP-E6 Battery and Charger Kit. These kits provide a cost-effective way to get everything you need to keep your camera powered.
Comparing Battery Specifications
To make a clear choice, let’s look at a comparison of typical specifications you might find. Remember that exact mAh can vary slightly between batches and specific models from each brand.
| Brand & Model | Capacity (mAh, typical) | Voltage | Compatibility | Price Range (USD, estimate) |
|---|---|---|---|---|
| Canon LP-E6 | 1800 | 7.2V | Canon EOS Cameras (40D, 5D Mark II, 60D, 70D, 80D, etc.) | $70 – $100 |
| Neewer LP-E6 | 1800 – 2000 | 7.2V | Canon EOS Cameras | $15 – $30 (per battery) |
| BM Premium LP-E6 | 1800 – 2000 | 7.2V | Canon EOS Cameras | $15 – $25 (per battery) |
| Wasabi Power LP-E6 | 1970 | 7.2V | Canon EOS Cameras | $20 – $40 (often kit with charger) |
| Digimax LP-E6 | 1800 – 1900 | 7.2V | Canon EOS Cameras | $15 – $25 (per battery) |
As you can see, third-party batteries offer significant cost savings while providing comparable voltage and often similar or slightly higher capacity. The main difference often lies in the build quality and long-term reliability compared to the original Canon battery.
Tips for Extending Battery Life
No matter which battery you choose, there are several things you can do to make its charge last longer. These are simple habits that can make a big difference, especially when you’re out shooting for hours.
- Reduce LCD Screen Brightness: The LCD screen uses a lot of power. Lowering the brightness will conserve energy.
- Turn Off Live View When Not in Use: Live View mode on your Canon 40D uses significantly more power than the optical viewfinder—use the viewfinder whenever possible.
- Limit Image Review: Constantly reviewing photos on the LCD screen drains the battery. Review them later on a computer.
- Turn Off Image Stabilization (if not needed): If you’re shooting with a tripod or your subject is stationary, turn off lens or in-body image stabilization to save power. For more on camera settings, check out DPReview’s detailed review of the Canon 40D which often touches on power consumption.
- Turn Off the Camera: When moving between locations or taking a break, turn off your camera instead of leaving it in standby.
- Use a Grip with a Second Battery: A battery grip (like the Canon BG-E4 for the 40D) allows you to use two LP-E6 batteries simultaneously, effectively doubling your shooting time.
- Keep Batteries at Room Temperature: Extreme cold or heat can affect battery performance and lifespan.
- Store Batteries Properly: If storing a battery for an extended period, charge it to about 40-50% and store it in a cool, dry place.
Battery Care and Safety
Taking care of your batteries ensures they perform well and safely. Lithium-ion batteries are generally safe, but a few precautions go a long way.
Charging Best Practices:
- Use the Correct Charger: Always use a charger designed for the LP-E6 battery. Using an incompatible charger can damage the battery or be a fire hazard.
- Don’t Leave Charging Overnight (if avoidable): While modern chargers have overcharge protection, it’s still a good practice to unplug batteries once they are fully charged.
- Charge in a Safe Area: Charge your batteries in a well-ventilated area away from flammable materials.
Handling and Storage:
- Avoid Physical Damage: Do not puncture, crush, or disassemble batteries. Damaged batteries can be dangerous.
- Keep Contacts Clean: Battery contacts should be kept clean and free of dirt or debris for optimal performance. You can gently clean them with a dry, soft cloth.
- Protect from Moisture: Keep batteries dry.
What to Do with Old Batteries:
When your batteries reach the end of their life (they won’t hold a charge for long), don’t just throw them away. Lithium-ion batteries contain materials that should be recycled properly.
- Find a Recycling Center: Many electronics stores or local recycling facilities accept rechargeable batteries for disposal. The U.S. Environmental Protection Agency (EPA) provides resources on how to recycle electronics responsibly.
Troubleshooting Common Battery Issues
Occasionally, you might run into a problem with your camera’s battery. Here are a few common issues and how to fix them.
- Camera Won’t Turn On:
- Ensure the battery is correctly inserted and charged.
- Try a different, known-good battery if you have one.
- Clean the battery and camera contacts.
- Battery Drains Too Quickly:
- Check if any power-hungry features are constantly on (e.g., Live View, Wi-Fi if applicable).
- The battery might be old and degrading. Consider replacement.
- Extreme temperatures can affect performance.
- Battery Not Recognized by Camera:
- This is more common with very cheap, unbranded third-party batteries. Ensure you’re using a reputable brand or an original Canon battery.
- Clean the contacts on both the battery and inside the battery compartment.
- Firmware issues can sometimes cause recognition problems, though this is rare for batteries. Ensure your camera has the latest firmware from Canon.
- Battery Fails to Charge:
- Ensure you are using the correct Canon charger or a compatible third-party charger.
- Clean the contacts on the battery and charger.
- The battery might be faulty or at the end of its life.
Frequently Asked Questions (FAQ)
Q1: Can I use any LP-E6 battery in my Canon 40D?
A: Yes, as long as it is designed to be compatible with the Canon LP-E6 standard (7.2V). The Canon 40D uses the LP-E6 battery. While original Canon batteries are guaranteed, reputable third-party brands also work well.
Q2: How do I know if a third-party battery is good quality?
A:




