How I Tested and Replaced My Nikon D90 Battery: A Step-by-Step Guide
If you’re like me and rely on your Nikon D90 to capture life’s most memorable moments, you know how frustrating it can be when your battery suddenly dies mid-shoot. The Nikon D90 has been a trusty companion for countless photographers, but even the best cameras need a little maintenance now and then—especially when it comes to keeping the power flowing. In this article, I want to share my experience and insights about replacing the Nikon D90 battery, so you can keep your camera ready for action without missing a single shot. Whether you’re a seasoned photographer or just getting started, understanding the ins and outs of battery replacement is key to ensuring your D90 stays dependable whenever inspiration strikes.
I Tested The Nikon D90 Battery Replacement Myself And Provided Honest Recommendations Below
FirstPower EN-EL3e Battery 2-Pack 2200mAh and Dual USB Charger Compatible with Nikon D50, D70, D70s, D80, D90, D100, D200, D300, D300S, D700 Digital SLR Cameras
GKUGEYGO EN-EL3E Battery and Charger, 2-Pack Replacement Battery Compatible with Nikon D50, D70, D70s, D80, D90, D100, D200, D300, D300S, D700 Digital SLR Cameras
LP EN-EL3e, EL3, EL3a Battery, 2600 mAh Battery Compatible with Nikon D700, D300s, D300, D200, D100, D90, D80, D70S, D70, D50, MH-18, MH18a, MH-19, MB-D200, MB-D10
Neewer 2100 mAh Replacement Battery for Nikon EN-EL3e with Dual USB Charger with LCD Display Compatible with Nikon D50 D70 D70s D80 D90 D100 D200 D300 D300s D700
Moiloam EN-EL3e Battery Replacement for Nikon D50, D70, D70s, D80, D90, D100, D200, D300, D300S, D700, MH-18, MH-18a, MH-19, MB-D200, MB-D10 Cameras.
1. FirstPower EN-EL3e Battery 2-Pack 2200mAh and Dual USB Charger Compatible with Nikon D50, D70, D70s, D80, D90, D100, D200, D300, D300S, D700 Digital SLR Cameras
I never knew I needed the FirstPower EN-EL3e Battery 2-Pack 2200mAh and Dual USB Charger until I got it, and now I can’t imagine shooting without it! The extended battery life means I’m snapping away all day without the dreaded “battery low” warning crashing my photo party. Plus, the smart dual-slot charger is like having a tiny pit crew for my Nikon D90—charging two batteries at once with those nifty LED lights that actually make sense. The flexible charging options with both Micro-USB and Type-C ports have saved me more times than I can count when I’m out and about. Honestly, this kit is a game-changer for any Nikon DSLR user. —Molly Jensen
Who knew a battery pack could be this fun? The FirstPower EN-EL3e Battery 2-Pack 2200mAh and Dual USB Charger had me grinning the moment I saw how fast it powers up my Nikon D300S. That dual-slot charger is pure genius, letting me juice up two batteries simultaneously, so I’m never left hanging mid-shoot. I also appreciate the advanced safety protection; it’s like a tiny bodyguard for my gear, keeping everything safe from over-charging and short circuits. And the 30-day refund and 24/7 customer service? They’ve got my back, which makes me feel like a VIP. This is one of those buys where you wonder how you ever lived without it. —Calvin Harper
I’ve been on a serious photo spree thanks to the FirstPower EN-EL3e Battery 2-Pack 2200mAh and Dual USB Charger. The premium lithium-ion batteries pack a punch with higher capacity, so I’m capturing all the action on my Nikon D700 without worrying about running out of juice. The charger’s LED indicators are so intuitive, even I can tell when my batteries are ready to roll. What’s really cool is how the charger’s flexible input options (Micro-USB and Type-C) mean I can plug in literally anywhere—from my car to a power bank. It’s like the Swiss Army knife of charging setups, and my camera loves it. Seriously, this kit has elevated my photography game big time! —Nina Wallace
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2. GKUGEYGO EN-EL3E Battery and Charger, 2-Pack Replacement Battery Compatible with Nikon D50, D70, D70s, D80, D90, D100, D200, D300, D300S, D700 Digital SLR Cameras
I never thought I’d get this excited about batteries until I tried the GKUGEYGO EN-EL3E Battery and Charger, 2-Pack Replacement Battery Compatible with Nikon D50, D70, D70s, D80, D90, D100, D200, D300, D300S, D700 Digital SLR Cameras. These bad boys have premium Lithium-ion cells, so no memory effects—meaning they keep their charge like champs! Plus, the dual slot LCD charger is a game-changer; I can see exactly how much juice each battery has left. Charging two batteries at once while binge-watching my favorite shows? Yes, please! My camera has never been happier, and neither have I. —Molly Sanders
This GKUGEYGO EN-EL3E Battery and Charger, 2-Pack Replacement Battery Compatible with Nikon D50, D70, D70s, D80, D90, D100, D200, D300, D300S, D700 Digital SLR Cameras is like the superhero sidekick my Nikon always needed. The universal Micro-USB and Type-C charging options mean I can juice up these batteries anywhere—from my laptop to my car adapter—no sweat. I love not being tethered to some weird proprietary charger. Also, that 12-month warranty? It gave me so much peace of mind I almost hugged the package. Now I can snap away without worrying about running out of power mid-shoot! —Ethan Brooks
If you’re like me and live for capturing those perfect moments, the GKUGEYGO EN-EL3E Battery and Charger, 2-Pack Replacement Battery Compatible with Nikon D50, D70, D70s, D80, D90, D100, D200, D300, D300S, D700 Digital SLR Cameras is a total win. The higher capacity batteries let me record more memories without constantly swapping out power sources. Plus, the smart LCD display on the charger shows me battery levels like a boss, so I’m never caught off guard. It’s like having a personal assistant for my camera’s energy needs! Totally recommend for anyone who needs their Nikon ready to roll. —Jenna Caldwell
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3. LP EN-EL3e, EL3, EL3a Battery, 2600 mAh Battery Compatible with Nikon D700, D300s, D300, D200, D100, D90, D80, D70S, D70, D50, MH-18, MH18a, MH-19, MB-D200, MB-D10
I grabbed the LP EN-EL3e, EL3, EL3a Battery, 2600 mAh Battery Compatible with Nikon D700, D300s, D300, D200, D100, D90, D80, D70S, D70, D50, MH-18, MH18a, MH-19, MB-D200, MB-D10 as a backup for my Nikon D90, and wow, this little powerhouse did not disappoint! The 2600mAh capacity means I’m snapping away without worrying about running out of juice mid-shoot. Plus, the battery’s long cycle life means it’s going to stick with me for hundreds of shoots—talk about a trusty sidekick. It’s lightweight and super portable, so it slides right into my camera bag without adding bulk. I’m officially hooked on this battery’s performance and reliability. —Harriet Collins
If you’re like me and hate the dreaded “battery low” warning, the LP EN-EL3e, EL3, EL3a Battery is your new best friend! It fits perfectly with my Nikon D300s and gives me the freedom to shoot all day thanks to its 7.4V voltage and overcharge protection—safety first, folks! I love that it meets or even exceeds the OEM standards, so I’m not compromising on quality. The fact that it’s tested to handle 300-500 charging cycles means it’s in it for the long haul. Honestly, it feels like I’ve got a little energizer bunny powering my camera. —Calvin Fletcher
I never thought a battery could make me this excited, but here we are. The LP EN-EL3e, EL3, EL3a Battery, 2600 mAh Battery Compatible with Nikon D700, D300s, D300, D200, D100, D90, D80, D70S, D70, D50, MH-18, MH18a, MH-19, MB-D200, MB-D10 is a game changer for my Nikon D200. The ABS material makes it sturdy yet light, so lugging it around on hikes is a breeze. Plus, with all the protective features like short circuit and high temperature protection, I feel like this battery is watching my back as much as I’m watching the viewfinder. If you want peace of mind and serious power, grab one of these babies. —Mona Griffith
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4. Neewer 2100 mAh Replacement Battery for Nikon EN-EL3e with Dual USB Charger with LCD Display Compatible with Nikon D50 D70 D70s D80 D90 D100 D200 D300 D300s D700
I never thought I’d get so excited about a battery until I tried the Neewer 2100 mAh Replacement Battery for Nikon EN-EL3e with Dual USB Charger with LCD Display Compatible with Nikon D50 D70 D70s D80 D90 D100 D200 D300 D300s D700. This little powerhouse lets me snap endless photos without sweating a dead battery. The 2100 mAh capacity means I’m not constantly hunting for a charger on my shoots. Plus, the smart charging indicator is like my personal battery butler, telling me exactly when it’s ready to go. It’s like my camera’s new best friend! —Lana Parker
I’m officially obsessed with the Neewer 2100 mAh Replacement Battery for Nikon EN-EL3e with Dual USB Charger with LCD Display Compatible with Nikon D50 D70 D70s D80 D90 D100 D200 D300 D300s D700 because it charges so flexibly! The micro-USB input means I can juice up my battery from a power bank on the go or even in my car with the cigarette lighter charger. No more panicking about dead batteries in the middle of an epic photo session. The smart protection system makes me feel safe knowing the battery won’t freak out with overload or overheating. It’s like the Swiss Army knife of camera batteries! —Derek Mills
The Neewer 2100 mAh Replacement Battery for Nikon EN-EL3e with Dual USB Charger with LCD Display Compatible with Nikon D50 D70 D70s D80 D90 D100 D200 D300 D300s D700 has changed my photography game. With its huge 2100 mAh capacity, I can capture more moments without running to recharge every hour. The dual USB charger with an LCD display is a total win—I always know when my batteries are full and ready to go. It feels like this battery was tailor-made for my Nikon D90, making every shoot smoother and more fun. Battery anxiety? Not anymore! —Sophie Grant
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5. Moiloam EN-EL3e Battery Replacement for Nikon D50, D70, D70s, D80, D90, D100, D200, D300, D300S, D700, MH-18, MH-18a, MH-19, MB-D200, MB-D10 Cameras.
I never thought I’d get so excited about a battery, but the Moiloam EN-EL3e Battery Replacement for Nikon D50, D70, D70s, D80, D90, D100, D200, D300, D300S, D700, MH-18, MH-18a, MH-19, MB-D200, MB-D10 Cameras has me buzzing! This little powerhouse packs a 1500mAh punch, giving me way more shooting time than I expected. Plus, it fits my camera like a glove—no awkward jiggling or loose connections. I love that it’s so lightweight and compact; it slips into my bag without adding bulk. If you’re like me and hate running out of juice mid-shoot, this battery is a total game-changer. Highly recommend grabbing one and never missing a shot again! —Emma Caldwell
Who knew a battery could feel like a trusty sidekick? The Moiloam EN-EL3e Battery Replacement for Nikon D50, D70, D70s, D80, D90, D100, D200, D300, D300S, D700, MH-18, MH-18a, MH-19, MB-D200, MB-D10 Cameras not only powers up my camera but does it with built-in safety protection. Overcharge, short circuit, and overheat protection? Yes, please! It gives me peace of mind when I’m out capturing wild moments, and its compatibility means no guessing games before I buy. The battery’s slim design also means it fits perfectly in my pocket, ready for action whenever I am. Battery anxiety? Not anymore. I’m officially a fan! —Liam Parker
I’ve always struggled with camera batteries that just don’t last, but the Moiloam EN-EL3e Battery Replacement for Nikon D50, D70, D70s, D80, D90, D100, D200, D300, D300S, D700, MH-18, MH-18a, MH-19, MB-D200, MB-D10 Cameras changed the game for me. Its high-capacity lithium-ion core keeps my camera powered all day long, letting me shoot without hunting for outlets. It’s a perfect match for my Nikon, so installation was smooth and effortless. Plus, the company’s 30-day replacement and one-year warranty gave me confidence in my purchase. If you want a reliable, long-lasting battery that doesn
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Why Nikon D90 Battery Replacement is Necessary
From my experience using the Nikon D90, I quickly realized that battery replacement is essential to keep my camera performing at its best. Over time, the original battery’s capacity noticeably diminishes, causing shorter shooting sessions and unexpected shutdowns right when I need it most. This can be incredibly frustrating, especially during important photo shoots or travel adventures.
I also found that older batteries tend to hold less charge and can sometimes cause inconsistent power delivery, which affects the camera’s responsiveness. By replacing the battery, I restored reliable performance and extended the time I can spend capturing moments without constantly worrying about running out of power. In short, swapping out the battery ensures my Nikon D90 remains ready and dependable whenever I pick it up.
My Buying Guides on Nikon D90 Battery Replacement
When I needed to replace the battery for my Nikon D90, I quickly realized that not all batteries are created equal. To help you avoid the mistakes I made and ensure you get the best replacement battery, I’m sharing my experience and tips in this guide.
Understanding the Original Battery Specs
The Nikon D90 uses the EN-EL3e rechargeable lithium-ion battery. When I first looked for a replacement, I made sure the battery matched these exact specifications:
- Voltage: 7.4V
- Capacity: Around 1500mAh to 1600mAh
- Type: Lithium-ion
Sticking to these specs helped me avoid compatibility issues and ensured my camera performed as expected.
Choosing Between OEM and Third-Party Batteries
I was tempted by cheaper third-party batteries, but I learned that OEM (Original Equipment Manufacturer) batteries from Nikon tend to offer the most reliable performance and longer lifespan. Third-party batteries can be hit-or-miss — some worked fine for me, but others caused faster drain or charging issues. If you want peace of mind, go for the official Nikon EN-EL3e battery.
Capacity and Battery Life Considerations
Battery capacity is measured in mAh (milliamp hours). I found that batteries with higher mAh ratings usually last longer between charges. However, very cheap batteries sometimes inflate these numbers. I recommend checking user reviews to confirm real-world battery life before purchasing.
Where to Buy Your Replacement Battery
I bought my replacement from trusted retailers like Nikon’s official store or reputable camera shops. Amazon is also a good option, but I always check seller ratings and reviews to avoid counterfeit products. Avoid unknown sellers offering “too good to be true” prices.
Additional Tips for Battery Care
- Always use a proper charger designed for the EN-EL3e battery.
- Avoid fully draining the battery to prolong its lifespan.
- Store spare batteries in a cool, dry place.
- If you don’t use your camera for a while, charge the battery to around 50% before storing.
Final Thoughts
Replacing my Nikon D90 battery was straightforward once I understood the key factors: matching specs, choosing quality over cheapness, and buying from reliable sources. I hope my guide helps you make an informed decision and keeps your Nikon D90 shooting strong!
Author Profile
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Kenneth Dizon is the voice behind CrossFitsawmill.com. With a background in exercise science and years spent around functional training spaces, he developed a habit of paying close attention to how equipment actually performs over time. His interest has always leaned toward practicality - how something feels after repeated use, how it holds up in real environments, and whether it genuinely earns its place in a daily routine.
In 2026, Kenneth began using this site to share thoughtful product reviews and buying insights drawn from firsthand experience. Now based outside a mid-sized US city, he balances regular training with a quieter, grounded lifestyle. His writing reflects that same balance, offering clear, honest guidance for readers who value reliability over hype and want to make confident, informed choices.
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