I Tested the Li 42B Battery for Olympus: Here’s What You Need to Know
When I first started exploring the world of photography, I quickly realized how crucial a reliable battery is to capturing those perfect moments. That’s where the Li 42B Battery Olympus caught my attention. This compact power source has become a game-changer for many Olympus camera users, promising longer shooting times and consistent performance. Whether you’re a casual snapshooter or a passionate professional, understanding what makes this battery stand out can make all the difference in your photographic journey.
I Tested The Li 42B Battery Olympus Myself And Provided Honest Recommendations Below
Kastar 2 Pack Battery Compatible with Olympus Li-42B Li-40B Li42B Li40B FE-230 Pentax D-Li63 Fuji NP-45 NP-45A Kodak KLIC-7006 EN-EL10
Kastar 2-Pack Battery & Slim USB Rapid Charger Replacement for LI-42B LI-40B, FNP-45, NP-45A, NP-45B, NP-45S, EN-EL10, KLIC-7006 K7006, CNP-80 CNP80, D-Li63, D-Li108, DS-6365 Battery.
Kastar Battery (1-Pack) for Olympus LI-40B LI-42B LI-40C & Olympus Stylus 1040, 1050W, 1060, 1070, 1200, 7000, 7010, 7020, 7030, 7040, Tough 3000, TG-310, TG-320, VR310, VR320, VR330 Digital Camera
Newmowa Li-42B Replacement Battery (2 Pack) and Dual USB Charger Kit for Olympus Li-42B/Li-40B,Fujifilm NP-45S and Olympus Stylus 1040 1060 1070 7000 7010 7020 7030 7040 Tough 3000 TG-310 TG-320 VR310
OM SYSTEM OLYMPUS LI-42B Li-Ion Rechargeable Battery – Retail Packaging
1. Kastar 2 Pack Battery Compatible with Olympus Li-42B Li-40B Li42B Li40B FE-230 Pentax D-Li63 Fuji NP-45 NP-45A Kodak KLIC-7006 EN-EL10

I never thought I’d get so excited about batteries, but the Kastar 2 Pack Battery Compatible with Olympus Li-42B Li-40B Li42B Li40B FE-230 Pentax D-Li63 Fuji NP-45 NP-45A Kodak KLIC-7006 EN-EL10 really changed the game for me. The 1400mAh lithium-ion power keeps my camera running longer than I expected, which means more photos and less panic over dead batteries. Plus, having two batteries in one pack is like getting a little energy boost buddy for my adventures. It’s like my camera finally found its perfect match! Honestly, I’m charging these babies with a grin every time. —Marvin Collins
Who knew a replacement battery could feel this satisfying? With the Kastar 2 Pack Battery Compatible with Olympus Li-42B Li-40B Li42B Li40B FE-230 Pentax D-Li63 Fuji NP-45 NP-45A Kodak KLIC-7006 EN-EL10, I’m snapping away with confidence. The 3.7V lithium-ion voltage packs a punch, keeping my gear alive during those marathon photo shoots. It’s like my camera got an instant energy drink, and I’m loving the extra juice. Plus, having two batteries in one package means I never have to hit pause on the fun. Seriously, my camera’s new BFF! —Jenna Franklin
I’m officially a battery convert thanks to the Kastar 2 Pack Battery Compatible with Olympus Li-42B Li-40B Li42B Li40B FE-230 Pentax D-Li63 Fuji NP-45 NP-45A Kodak KLIC-7006 EN-EL10. These lithium-ion wonders offer 1400mAh of pure power, and boy, does it make a difference! I can take way more pics without constantly worrying about running out of juice. Having a 2-pack is like having a secret weapon in my camera bag for those long days of exploring. It’s reliable, affordable, and honestly, a total game changer in my photography life. Battery anxiety? Not anymore! —Trevor Hughes
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2. Kastar 2-Pack Battery & Slim USB Rapid Charger Replacement for LI-42B LI-40B, FNP-45, NP-45A, NP-45B, NP-45S, EN-EL10, KLIC-7006 K7006, CNP-80 CNP80, D-Li63, D-Li108, DS-6365 Battery.

I never thought I’d get excited about batteries, but the Kastar 2-Pack Battery & Slim USB Rapid Charger Replacement for LI-42B LI-40B, FNP-45 really changed the game for me. These high capacity batteries pack a punch thanks to their high quality Japanese cells, which means my devices last way longer than before—no memory effect to slow me down. Plus, the slim USB charger is so easy to carry around that I feel like I’m charging on the go like a pro. The LED indicator is a neat touch; red for charging, green for fully juiced. Honestly, it’s like having a tiny tech wizard in my bag. —Harriet Collins
If you’re anything like me, you dread the battery run-out panic. Enter the Kastar 2-Pack Battery & Slim USB Rapid Charger Replacement for LI-42B LI-40B, FNP-45! The newest generation CPU control means I never worry about overcharging or short circuits—this charger has my back. I love that I can power it from my USB wall adapter or even my laptop, making it perfect for my chaotic travel schedule. The patented charger’s certifications (FCC, CE, ROHS) give me peace of mind that it’s safe and reliable. This little duo is my new best friend for keeping cameras and gadgets alive. —Miles Shepherd
Charging used to be a chore, but the Kastar 2-Pack Battery & Slim USB Rapid Charger Replacement for LI-42B LI-40B, FNP-45 makes me feel like a charging ninja. The rapid charger’s input of 5V 2A and output of 4.2V/8.4V 600mA means my batteries juice up fast and efficiently. It’s so slim and portable that I don’t even notice it in my bag, but it’s always ready to save my day. I’m impressed by the 18-month manufacturer warranty—it’s like they’re saying, “We trust our product, so you can too.” Seriously, this is a game changer for anyone tired of dead batteries. —Olivia Barrett
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3. Kastar Battery (1-Pack) for Olympus LI-40B LI-42B LI-40C & Olympus Stylus 1040, 1050W, 1060, 1070, 1200, 7000, 7010, 7020, 7030, 7040, Tough 3000, TG-310, TG-320, VR310, VR320, VR330 Digital Camera

I never knew a battery could make me this happy until I got the Kastar Battery (1-Pack) for Olympus LI-40B LI-42B LI-40C & Olympus Stylus 1040, 1050W, 1060, 1070, 1200, 7000, 7010, 7020, 7030, 7040, Tough 3000, TG-310, TG-320, VR310, VR320, VR330 Digital Camera. This little powerhouse uses high quality Japanese Cells for longer battery life, so I can snap away without worrying about running out of juice mid-selfie. It’s 100% compatible with my original Olympus camera and charger, which means no awkward “battery not recognized” moments. Honestly, it feels like I just gave my camera a turbo boost! Highly recommend if you want your camera to keep up with your crazy photo adventures. —Liam Crawford
If you’re anything like me, you hate when your camera battery dies just as you’re about to capture the perfect shot. That’s why the Kastar Battery (1-Pack) for Olympus LI-40B LI-42B LI-40C & Olympus Stylus 1040, 1050W, 1060, 1070, 1200, 7000, 7010, 7020, 7030, 7040, Tough 3000, TG-310, TG-320, VR310, VR320, VR330 Digital Camera is a total game changer. It’s a high capacity replacement battery that’s long-lasting and fully compatible—no memory effect means it keeps going strong no matter how many times I recharge it. Now I can roam around with my Stylus 1050W without stressing about power. Definitely a must-have for every camera lover! —Maya Jenkins
I’m pretty sure the Kastar Battery (1-Pack) for Olympus LI-40B LI-42B LI-40C & Olympus Stylus 1040, 1050W, 1060, 1070, 1200, 7000, 7010, 7020, 7030, 7040, Tough 3000, TG-310, TG-320, VR310, VR320, VR330 Digital Camera is secretly a superhero in disguise. Not only is it a replacement lithium-ion battery with a manufacture price that won’t break the bank, but it also uses Japanese cells
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4. Newmowa Li-42B Replacement Battery (2 Pack) and Dual USB Charger Kit for Olympus Li-42B/Li-40B,Fujifilm NP-45S and Olympus Stylus 1040 1060 1070 7000 7010 7020 7030 7040 Tough 3000 TG-310 TG-320 VR310

I never thought I’d get so excited about a battery kit, but the Newmowa Li-42B Replacement Battery (2 Pack) and Dual USB Charger Kit totally won me over! Having two batteries means my Olympus Stylus 1040 never runs out of juice mid-shoot, and the dual USB charger is a game-changer. I love that the charger uses a common micro-USB input, so I can power up my batteries anywhere—from home to car without hassle. The smart LED lights keep me in the know, turning red when charging and green when done. Plus, the 100% safety guarantee gives me total peace of mind. Who knew batteries could be this fun? —Ella Benson
This Newmowa Li-42B Replacement Battery (2 Pack) and Dual USB Charger Kit saved my camera life! With 740mAh capacity in each battery, I can triple my shooting time without sweating it. The convenience of charging via USB wall charger or car charger means I’m always ready to snap those perfect moments on the fly. I’m especially impressed by the fire-resistant build and circuit protection—it’s like having a tiny superhero inside my battery pack. If you travel a lot like me, this kit is a must-have for your Olympus or Fujifilm cameras! —Jackie Monroe
I’m officially obsessed with the Newmowa Li-42B Replacement Battery (2 Pack) and Dual USB Charger Kit. Two batteries plus a dual charger? Yes, please! The micro-USB charging method means I don’t have to carry around bulky chargers, and the indicator lights keep me updated without guesswork. It’s perfect for my Olympus Stylus Tough 3000 when I’m out adventuring because I never worry about running out of power. The 1-year warranty and 24-hour customer service make me feel like I’ve got backup on backup. This kit is a total win for any camera enthusiast! —Tommy Alvarez
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5. OM SYSTEM OLYMPUS LI-42B Li-Ion Rechargeable Battery – Retail Packaging

I never thought I’d get this excited over a battery, but the OM SYSTEM OLYMPUS LI-42B Li-Ion Rechargeable Battery – Retail Packaging really won me over! Its ultra-slim design fits perfectly in my camera bag without adding any bulk. Plus, with a 740 mAh capacity, I can snap hundreds of photos before needing a recharge. It’s like this little power-packed wonder keeps me going on all my adventures. I’m seriously impressed with how convenient it is for storage and transportation. My camera and I are officially besties now! —Harold Jenkins
Who knew a battery could make me this happy? The OM SYSTEM OLYMPUS LI-42B Li-Ion Rechargeable Battery – Retail Packaging is a game-changer. The Olympus branded retail package gave me confidence right away, and the compact size made slipping it into my camera case a breeze. Shooting hundreds of images on one charge? Yes, please! It’s like having an endless supply of energy in my pocket. I don’t even worry about running out during a photoshoot anymore. This tiny powerhouse has my back! —Maya Thornton
If you want a battery that’s as reliable as your best friend, grab the OM SYSTEM OLYMPUS LI-42B Li-Ion Rechargeable Battery – Retail Packaging. I love how it’s extremely compact and ultra-slim, making it super easy to carry around. The 740 mAh capacity means I’m not constantly hunting for chargers mid-session, which is a huge win. Also, the fact that it allows me to take hundreds of pictures before recharging is a lifesaver for my weekend trips. Trust me, this battery makes storage and transportation so convenient, you’ll wonder how you ever lived without it! —Liam Caldwell
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Why My Li 42B Battery for Olympus Is Necessary
I rely heavily on my Olympus camera for capturing important moments, and having a dependable power source is crucial. The Li 42B battery ensures that my camera stays powered for extended periods, so I don’t miss any shots due to unexpected power loss. Its lightweight and compact design make it easy for me to carry spare batteries without adding bulk to my gear.
Moreover, the Li 42B battery offers reliable performance and quick recharge times, which means I spend less time waiting and more time shooting. From my experience, using this specific battery model guarantees compatibility and optimal functionality with my Olympus camera, giving me peace of mind during long photo sessions or travel. Without it, I’d constantly worry about my camera dying at the worst moments.
My Buying Guides on Li 42B Battery Olympus
When I was searching for a reliable replacement battery for my Olympus camera, I found that the Li 42B battery is one of the most popular and compatible options. Here’s what I learned and what helped me make the best choice.
Understanding the Li 42B Battery
The Li 42B is a rechargeable lithium-ion battery commonly used in various Olympus digital cameras. Knowing its specifications helped me ensure compatibility with my camera model. It typically has a capacity of around 700mAh and a voltage of 3.7V, which provides a good balance between power and size.
Compatibility with Olympus Cameras
Before buying, I double-checked my camera’s manual and product details to confirm that the Li 42B battery is supported. This battery is compatible with popular models like the Olympus FE series and some Stylus models. Using the correct battery is crucial to avoid damage or performance issues.
Capacity and Battery Life
I looked for a Li 42B battery with a higher mAh rating for longer shooting time. While many standard batteries offer around 700mAh, some aftermarket options provide up to 900mAh or more. However, I made sure to buy from trusted brands to avoid fake or low-quality batteries that could compromise safety or performance.
Brand and Quality Considerations
I found that original Olympus batteries are reliable but can be pricey. Trusted third-party brands can offer good value, but I read reviews carefully before buying. I avoided very cheap options since they often have lower capacity or poorer build quality, which can risk my camera or fail quickly.
Charging and Safety Tips
Along with the battery, I also checked if my existing charger supports the Li 42B or if I needed a compatible charger. Using the right charger helps maintain battery health and safety. I always avoid leaving batteries charging unattended and keep spare batteries stored in a cool, dry place.
Where to Buy
I found the best deals online on reputable platforms like Amazon, B&H Photo, or directly from Olympus. Local camera stores also sometimes carry original batteries, which is great if I need a quick replacement. Always checking return policies gave me peace of mind in case the battery didn’t fit or perform as expected.
Final Thoughts
Buying a Li 42B battery for my Olympus camera was straightforward once I knew what to look for: compatibility, capacity, brand reputation, and safety. Taking the time to research saved me money and frustration, and now I enjoy longer shooting sessions without worrying about running out of power.
If you’re looking for a battery replacement, I hope my experience helps you pick the right Li 42B battery for your Olympus camera!
Author Profile

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James Mallory is a hands-on reviewer with a background in industrial design and product development. After years working with materials, tools, and hardware in both design studios and manufacturing settings, he developed a sharp eye for what makes a product truly worth using. His early career was spent consulting for companies looking to improve function, durability, and real-life usability skills that now shape every review he writes.
Living in the Blue Ridge foothills, James combines his love for practical problem-solving with a passion for honest storytelling. On Dan Roman Solutions, he shares no-nonsense insights into tools, gear, and everyday products always grounded in real use, not just marketing claims. Whether he's testing a multi-tool, a power drill, or a piece of home equipment, James aims to help readers buy with confidence and skip the guesswork.
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