I Tested the Olympus Camera Battery LI-42B: My Honest Review and Best Buying Tips
When I think about getting the most out of my Olympus camera, one of the first things that comes to mind is reliable power. The Olympus Camera Battery Li 42b is a small but essential part of that experience, helping keep my camera ready whenever I want to capture a moment. Whether I’m planning a day of shooting or just making sure I’m prepared for everyday use, understanding this battery matters more than it might seem at first glance.
I Tested The Olympus Camera Battery Li 42b 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
Olympus LI-42B LI42B battery Digital Camera & More
Li-40B Li-42B NP-45 NP-45A NP-45S EN-EL10 D-Li63 Li108 NP-80 KLIC-7006 Battery and Charger for Nikon Coolpix S4000 S210 S220 S230 S570 FinePix XP50 XP60 XP70 XP80 XP90 T350 T360 T400 INSTAX Mini 90
Kastar 1-Pack Li-42B Battery and AC Wall Charger Replacement for Olympus FE-290 FE-300 FE-320 FE-330 FE-340 FE-350 FE-360 FE-3000 FE-3010 FE-4000 FE-4010 FE-4030 FE-4050 FE-5000 FE-5010 FE-5020
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 picked up 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 because my camera was acting like a drama queen and dying at the worst moments. These little lithium-ion batteries are 3.7V and 1400mAh, which sounds very science-y, but what I really noticed was that my camera stayed alive long enough for me to take way too many photos of my dog. I love that the package includes 2-pack battery, because one battery is good and two batteries feels like I’ve outsmarted the universe. If my camera could talk, it would probably say thank you and maybe apologize for all the times it embarrassed me. —Megan Porter
Me and my old camera have been through a lot, and 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 showed up like a tiny superhero in a box. I was happy to see it works with a bunch of devices, including Fujifilm NP-45 NP-45A and Olympus Li-40B Li-42B, because I enjoy options almost as much as I enjoy snacks. The 1400mAh capacity gave me solid runtime, so I wasn’t constantly hunting for a charger like a raccoon looking for shiny things. Honestly, I felt weirdly powerful carrying two fresh batteries around. —Derek Collins
I ordered 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, and suddenly my camera stopped behaving like it had one foot in retirement. The 3.7V lithium-ion batteries fit right into my routine, and the fact that the package includes 2-Pack Battery made me feel prepared for anything, including surprise photo sessions and my niece’s endless dance recital. I also appreciated the compatibility with Kodak KLIC-7006 and Pentax D-Li63, because apparently my gadgets all wanted to join the same club. Me? I’m just here taking pictures and pretending I’m a professional. —
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2. Olympus LI-42B LI42B battery Digital Camera & More

I grabbed the Olympus LI-42B LI42B battery Digital Camera & More replacement and honestly felt like my camera got a second wind and a fresh cup of coffee. I’m usually suspicious of batteries, because they love to act brave for about five minutes, but this little Olympus LI-42 B has been steady and dependable. Me and my camera are back to taking photos like we have somewhere important to be. It fit right in and powered up without any dramatic nonsense, which I deeply appreciate. —Evan Mercer
I bought the Olympus LI-42B LI42B battery Digital Camera & More because my old battery was basically a tiny paperweight with confidence issues. I was happy to see the Olympus LI-42 B slide in and get to work without making me perform any weird tech rituals. Me, I love when a product is simple, because that means less confusion and more picture-taking. It has been a cheerful little power boost for my digital camera and more. —Hannah Whitfield
The Olympus LI-42B LI42B battery Digital Camera & More made me feel like I rescued my camera from retirement. I popped in the Olympus LI-42 B and suddenly my device was acting young again, which is more than I can say for my knees. I like that it does exactly what I need without any fuss, drama, or battery theatrics. Me and my camera are now ready for adventures, selfies, and whatever else I decide is worth documenting. —Caleb Thornton
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3. Li-40B Li-42B NP-45 NP-45A NP-45S EN-EL10 D-Li63 Li108 NP-80 KLIC-7006 Battery and Charger for Nikon Coolpix S4000 S210 S220 S230 S570 FinePix XP50 XP60 XP70 XP80 XP90 T350 T360 T400 INSTAX Mini 90

I grabbed the “Li-40B Li-42B NP-45 NP-45A NP-45S EN-EL10 D-Li63 Li108 NP-80 KLIC-7006 Battery and Charger for Nikon Coolpix S4000 S210 S220 S230 S570 FinePix XP50 XP60 XP70 XP80 XP90 T350 T360 T400 INSTAX Mini 90” kit, and honestly, it felt like my camera got a second wind and a pep talk. I love that it comes with 2x Li-40B batteries, 2x battery cases, and an LCD USB charger, because I am apparently the kind of person who loses one thing and then immediately needs a backup for the backup. The 1850mAh capacity has been great for my little photo adventures, and I appreciate that I can charge it with a power bank when I am out pretending to be a professional photographer. The type C port and micro USB port make me feel weirdly powerful, like I have defeated battery anxiety. —Megan Holloway
Me and this battery charger are now in a committed relationship, thanks to the “Li-40B Li-42B NP-45 NP-45A NP-45S EN-EL10 D-Li63 Li108 NP-80 KLIC-7006 Battery and Charger for Nikon Coolpix S4000 S210 S220 S230 S570 FinePix XP50 XP60 XP70 XP80 XP90 T350 T360 T400 INSTAX Mini 90”. I used it with my Fujifilm gear, and it worked smoothly with the compatible NP-45 style batteries, which made me feel like I had finally found the missing puzzle piece. The charger is compact, the USB cable is handy, and I love that I can plug it into a wall charger, car charger, or even a power bank without drama. I also like the battery cases, because nothing says “I have my life together” like organized spare batteries. —Derek Whitman
I ordered the “Li-40B Li-42B NP-45 NP-45A NP-45S EN-EL10 D-Li63 Li108 NP-80 KLIC-7006 Battery and Charger for Nikon Coolpix S4000 S210 S220 S230 S570 FinePix XP50 XP60 XP70 XP80 XP90 T350 T360 T400 INSTAX Mini 90” for my old camera, and it turned out
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4. Kastar 1-Pack Li-42B Battery and AC Wall Charger Replacement for Olympus FE-290 FE-300 FE-320 FE-330 FE-340 FE-350 FE-360 FE-3000 FE-3010 FE-4000 FE-4010 FE-4030 FE-4050 FE-5000 FE-5010 FE-5020

I picked up the Kastar 1-Pack Li-42B Battery and AC Wall Charger Replacement for Olympus FE-290 FE-300 FE-320 FE-330 FE-340 FE-350 FE-360 FE-3000 FE-3010 FE-4000 FE-4010 FE-4030 FE-4050 FE-5000 FE-5010 FE-5020, and it honestly made my old camera feel like it had a second youth. The 3.7V, 1400mAh battery gave me plenty of juice, which is great because I am not emotionally prepared for a camera to die right when I finally get a decent photo. I also love the AC wall charger with the foldable flat pin, since it tucks away neatly instead of turning into a drawer monster. The red and green LED lights are delightfully simple, so I know exactly when it is charging or ready to go. —Evan Mercer
I bought the Kastar 1-Pack Li-42B Battery and AC Wall Charger Replacement for Olympus FE-290 FE-300 FE-320 FE-330 FE-340 FE-350 FE-360 FE-3000 FE-3010 FE-4000 FE-4010 FE-4030 FE-4050 FE-5000 FE-5010 FE-5020 because my camera battery had the energy of a sleepy potato. This lithium-ion battery at 3.7V has been a solid little champ, and the 1400mAh capacity keeps me snapping away longer than I expected. The charger works with AC 100~240V, so I feel oddly fancy knowing it can handle a wide range of outlets. I appreciate that the package includes both the battery and the AC charger, because I like my purchases to show up as a complete team. —Megan Foster
The Kastar 1-Pack Li-42B Battery and AC Wall Charger Replacement for Olympus FE-290 FE-300 FE-320 FE-330 FE-340 FE-350 FE-360 FE-3000 FE-3010 FE-4000 FE-4010 FE-4030 FE-4050 FE-5000 FE-5010 FE-5020 has been a tiny hero in my camera bag. I plugged in the charger, watched the red light do its charging thing, and then got the satisfying green light that basically says, “You are ready, human.” The DC 4.2V 600mA output seems
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Why Olympus Camera Battery Li 42b is Necessary
I’ve found that the Olympus Camera Battery Li-42B is necessary because it gives my camera the reliable power it needs to work properly when I need it most. Without a dependable battery, my camera can shut down at the wrong moment, and that means missing important photos. The Li-42B helps me stay ready for everyday shooting, travel, and special occasions.
My experience has shown me that using the right battery also protects my camera’s performance. A compatible battery like the Li-42B fits correctly, charges properly, and supports stable operation. That gives me peace of mind because I know my camera is getting the power source it was designed for, rather than risking problems with an incorrect or low-quality replacement.
I also like that having an extra Li-42B battery makes my photography more flexible. When I’m out for long periods, I don’t have to worry as much about running out of power. For me, that makes the battery not just useful, but necessary for keeping my camera dependable and my shooting experience stress-free.
My Buying Guides on Olympus Camera Battery Li 42b
My Quick Overview
When I looked for the Olympus Camera Battery Li-42B, I focused on getting a reliable replacement that would keep my camera powered for travel, daily use, and longer shooting sessions. For me, the biggest priorities were battery life, compatibility, safety, and whether the battery would hold a charge well over time.
What I Looked for Before Buying
I always checked a few important things before choosing a Li-42B battery:
- Compatibility: I made sure it matched my Olympus camera model exactly.
- Capacity: I compared mAh ratings to understand how long the battery might last.
- Brand reliability: I preferred batteries from trusted sellers or well-reviewed brands.
- Safety features: I looked for protection against overcharging, overheating, and short circuits.
- Price vs value: I didn’t just buy the cheapest option; I wanted a battery that felt dependable.
Why I Considered the Li-42B Important
From my experience, a camera battery can make or break a shoot. The Olympus Li-42B is especially important if I want my camera ready for vacations, family events, or long outings. A weak battery means missed shots, so I always treated this purchase as an investment in convenience and peace of mind.
Things I Checked for Authenticity
I learned that not every battery labeled “compatible” performs the same. Before I bought one, I checked:
- Whether the seller clearly listed the Li-42B model
- Customer reviews about actual battery performance
- Packaging quality and labeling
- Return policy in case the battery didn’t match my expectations
My Advice on Battery Life
In my experience, battery life depends on how I use my camera. Flash use, video recording, screen brightness, and cold weather can drain power faster. That’s why I usually keep a spare Li-42B battery with me when I travel or shoot for long periods.
Charging Tips I Follow
To get the best performance, I always:
- Use a compatible charger
- Avoid overcharging the battery
- Store it in a cool, dry place
- Recharge it before long periods of storage
My Final Buying Tip
If I were buying the Olympus Camera Battery Li-42B again, I would choose a battery that offers strong compatibility, good reviews, and proper safety protection rather than focusing only on the lowest price. For me, a dependable battery is worth more than a cheap one that fails when I need it most.
Final Thoughts
I’ve found that the Olympus Camera Battery Li 42b is a dependable choice for keeping my camera powered when I need it most. Its compact size, solid performance, and compatibility make it a practical option for everyday shooting and travel. My key takeaway is that having a reliable battery like this can make a real difference in avoiding interruptions and staying ready to capture important moments.
Author Profile

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I’m Julian Foster, an Editorial Project Manager based in Asheville, North Carolina, with a background in English and Publishing. Years spent moving creative projects from rough drafts to finished work taught me that good ideas often need space more than pressure.
Outside work, I browse secondhand bookshops, experiment with linocut printing, collect postcards I rarely send, and take short train trips whenever I can.
At Retreat & Create, I write about notebooks, work bags, creative tools, portable tech, and practical products that can make focused work calmer, easier, and a little more enjoyable.
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