Uploaded April 2026 | Updated September 2026, 14 hours ago
Your Canon 5D Mark II might be resetting its clock or losing Magic Lantern settings for one simple reason: a dead $5 internal battery. In this step-by-step DIY guide, I’ll show you how to replace this hidden battery yourself and save your camera from 'metadata death.' It takes 10 minutes and costs less than a cup of coffee.
In this video, I’m providing a complete Canon 5D Mark II maintenance guide specifically focused on changing the internal clock battery on a 5D Mark 2. This is an essential step for anyone using the best camera for Magic Lantern RAW in 2026 to ensure your timecode and file data remain accurate.
What we cover in this guide:
✅ Locating the Canon 5D Mark II backup battery location.
✅ Step-by-step instructions for a successful internal battery replacement.
✅ Tips for maintaining a consistent RAW video workflow without metadata corruption.
✅ Why the CR1616 is the most important "cheap" upgrade for your budget filmmaking gear.
Tools & Parts Needed:
Replacement Battery: CR1616 Coin Battery.
Tool: Phillips Head #0 or small flathead screwdriver.
Timestamps:
0:00 - Why your 5DII is resetting the date & time
0:35 - The impact of metadata errors on RAW workflows
0:51 - Finding the Canon 5D Mark II backup battery location
1:05 - How to fix Canon 5D Mark II date resetting (Step-by-Step)
1:35 - Testing the new battery and resetting the internal clock
1:55 - Final maintenance tips for vintage digital cinema cameras
If you’re passionate about vintage digital cinema and squeezing every bit of performance out of your gear, make sure to subscribe to Cine! We specialize in digital camera maintenance, gear reviews, and professional cinematography techniques.
Questions about the Magic Lantern RAW video metadata error fix? Drop them in the comments below!
Our Filters: freewellgear.com/?sca_ref=10804985.tdIIo7enmNO9vLlO
Our media cards: angelbird.com/cne
R50V cage: smallrig.com/r/FO4RI0
SMALLRIG products: smallrig.com/r/8RDRIX
SMALLRIG POWER PLATE: smallrig.com/r/STAUC8
Monitor mount: smallrig.com/r/QI6U66
Pocket 4/6k Cage: smallrig.com/r/3UQEW0
Pocket 6K FF cage: smallrig.com/r/HCFAPW
Record Trigger Side Handle: smallrig.com/r/DMZHDS
Mattebox: smallrig.com/r/5NWZXJ
HDMI adapter lock: smallrig.com/r/WARTCP
Top handle: smallrig.com/r/BO4VRK
Rod clamp: smallrig.com/r/T8636D
15mm Rods: smallrig.com/r/UQKVUD
15mm Nato rod clamp: smallrig.com/r/FBDYKM
Panasonic batteries: smallrig.com/r/VEQ7VI
Canon LPE6 Battery: smallrig.com/r/WNC0XP
Monopod: smallrig.com/r/SYPY9H
To save even more money join this channel to get access to bigger discounts and perks:
youtube.com/channel/UCXsER7CJsWAIH2JXp9w98og/join
At Cine, we’re all about budget-friendly cameras, lenses, and techniques. We focus on providing honest, unbiased technical reviews, with a sprinkling of Resolve training to up your post game.
Everything we review or feature is something we’ve bought with our money, or is gear we genuinely use ourselves. Brands that send us equipment for review acknowledge, we reserve all exclusive rights to our content in perpetuity unless you license it from the CINE Channel. If we choose not to review your product, for any reason - you agree that it does not need to be returned.
Wish to supports us remaining independent, consider supporting us with a SUPER THANKS or using our only affiliate link: angelbird.com/cne
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You do not have permission to use our content under any circumstance.
You do not have our permission to train AI models with our content, or use our voices or likeness for any purpose, non commercial or otherwise.
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This production was made with Made with:
DaVinci Resolve 20 Studio
BMD Cameras and Canon Cameras and Cine Primes
Sound mixed in Fairlight
VFX DaVinci Resolve Fusion
Foley Sound Effects Created on location
Music Copyright Supplied by Audiio Sound or Written, Produced and Owned by us.
#cinechimp #Canon5DMarkII #MagicLantern #CameraRepair #Filmmaking #Cine #RAWVideo #GearMaintenance #VintageCinema
Your Canon 5D Mark II might be resetting its clock or losing Magic Lantern settings for one simple reason: a dead $5 internal battery. In this step-by-step DIY guide, I’ll show you how to replace this hidden battery yourself and save your camera from 'metadata death.' It takes 10 minutes and costs less than a cup of coffee.
In this video, I’m providing a complete Canon 5D Mark II maintenance guide specifically focused on changing the internal clock battery on a 5D Mark 2. This is an essential step for anyone using the best camera for Magic Lantern RAW in 2026 to ensure your timecode and file data remain accurate.
What we cover in this guide:
✅ Locating the Canon 5D Mark II backup battery location.
✅ Step-by-step instructions for a successful internal battery replacement.
✅ Tips for maintaining a consistent RAW video workflow without metadata corruption.
✅ Why the CR1616 is the most important "cheap" upgrade for your budget filmmaking gear.
Tools & Parts Needed:
Replacement Battery: CR1616 Coin Battery.
Tool: Phillips Head #0 or small flathead screwdriver.
Timestamps:
0:00 - Why your 5DII is resetting the date & time
0:35 - The impact of metadata errors on RAW workflows
0:51 - Finding the Canon 5D Mark II backup battery location
1:05 - How to fix Canon 5D Mark II date resetting (Step-by-Step)
1:35 - Testing the new battery and resetting the internal clock
1:55 - Final maintenance tips for vintage digital cinema cameras
If you’re passionate about vintage digital cinema and squeezing every bit of performance out of your gear, make sure to subscribe to Cine! We specialize in digital camera maintenance, gear reviews, and professional cinematography techniques.
Questions about the Magic Lantern RAW video metadata error fix? Drop them in the comments below!
Our Filters: freewellgear.com/?sca_ref=10804985.tdIIo7enmNO9vLlO
Our media cards: angelbird.com/cne
R50V cage: smallrig.com/r/FO4RI0
SMALLRIG products: smallrig.com/r/8RDRIX
SMALLRIG POWER PLATE: smallrig.com/r/STAUC8
Monitor mount: smallrig.com/r/QI6U66
Pocket 4/6k Cage: smallrig.com/r/3UQEW0
Pocket 6K FF cage: smallrig.com/r/HCFAPW
Record Trigger Side Handle: smallrig.com/r/DMZHDS
Mattebox: smallrig.com/r/5NWZXJ
HDMI adapter lock: smallrig.com/r/WARTCP
Top handle: smallrig.com/r/BO4VRK
Rod clamp: smallrig.com/r/T8636D
15mm Rods: smallrig.com/r/UQKVUD
15mm Nato rod clamp: smallrig.com/r/FBDYKM
Panasonic batteries: smallrig.com/r/VEQ7VI
Canon LPE6 Battery: smallrig.com/r/WNC0XP
Monopod: smallrig.com/r/SYPY9H
To save even more money join this channel to get access to bigger discounts and perks:
youtube.com/channel/UCXsER7CJsWAIH2JXp9w98og/join
At Cine, we’re all about budget-friendly cameras, lenses, and techniques. We focus on providing honest, unbiased technical reviews, with a sprinkling of Resolve training to up your post game.
Everything we review or feature is something we’ve bought with our money, or is gear we genuinely use ourselves. Brands that send us equipment for review acknowledge, we reserve all exclusive rights to our content in perpetuity unless you license it from the CINE Channel. If we choose not to review your product, for any reason - you agree that it does not need to be returned.
Wish to supports us remaining independent, consider supporting us with a SUPER THANKS or using our only affiliate link: angelbird.com/cne
▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
You do not have permission to use our content under any circumstance.
You do not have our permission to train AI models with our content, or use our voices or likeness for any purpose, non commercial or otherwise.
▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
This production was made with Made with:
DaVinci Resolve 20 Studio
BMD Cameras and Canon Cameras and Cine Primes
Sound mixed in Fairlight
VFX DaVinci Resolve Fusion
Foley Sound Effects Created on location
Music Copyright Supplied by Audiio Sound or Written, Produced and Owned by us.
#cinechimp #Canon5DMarkII #MagicLantern #CameraRepair #Filmmaking #Cine #RAWVideo #GearMaintenance #VintageCinema










