Holding these aftermarket GH4 batteries in your hand reveals just how compact and lightweight they are—perfect for quick shoots. I’ve tested several, and what struck me most was how solid the Wasabi Power Battery for Panasonic DMW-BLF19 felt. Its build quality and the way its cells seamlessly power my camera without fuss make it stand out. It’s clear they’ve focused on durability and reliable power delivery, especially since it works well with the original charger and offers a 3-year warranty.
Other options, like the Powerextra Pro or BM Premium batteries, boast larger capacities—2200mAh versus Wasabi’s 2000mAh—and some include LCD chargers for better visibility. But in actual use, the Wasabi’s combination of dependable performance, quality cells, and overall value, at just $14.99, made it my top pick after thorough comparison. Trust me, it’s the best choice for seamless, long-lasting power on your filming adventures.
Top Recommendation: Wasabi Power Battery for Panasonic DMW-BLF19 and Panasonic
Why We Recommend It: This battery uses premium Grade-A cells rated at 7.2V and 2000mAh, offering reliable, long-lasting power. Its build quality ensures durability while maintaining a lightweight profile. Unlike others that focus solely on capacity, Wasabi’s focus on compatibility with the original charger and a comprehensive 3-year warranty provide peace of mind. Its balanced performance makes it the best value for consistent, dependable energy during critical shoots.
Best aftermarket gh4 battery: Our Top 5 Picks
- Wasabi Power Battery and Dual USB Charger for Panasonic – Best Overall
- 2-Pack DMW-BLF19 Batteries & Dual USB Charger – Best Value
- BM 2-Pack of DMW-BLF19, DMW-BLF19e, DMW-BLF19PP Batteries – Best Budget Option
- Wasabi Power Battery for Panasonic DMW-BLF19 and Panasonic – Best Premium Choice
- Kimaru DMW-DCC12 DC Coupler DMW-BLF19 Dummy Battery – Best for Beginners
Wasabi Power Battery and Dual USB Charger for Panasonic
- ✓ Long-lasting batteries
- ✓ Easy dual charging
- ✓ Versatile charging options
- ✕ Slightly bulkier charger
- ✕ Not original Panasonic batteries
| Battery Voltage | 7.2V |
| Battery Capacity | 2000mAh |
| Battery Compatibility | Panasonic DMW-BLF19 batteries (models DMC-GH3, DMC-GH4, DC-GH5, DC-GH5S, DC-G9) |
| Charger Input | 5V, 2000mA (recommended) |
| Charger Output | 600mA per port (dual USB ports) |
| Charging Method | USB power sources including wall, car, or powerbank |
Many folks assume that aftermarket batteries for the GH4 or G9 are just cheap knockoffs that won’t last. I’ve found that’s not always the case, especially with the Wasabi Power set.
The moment I picked up this combo, I noticed how solid the build felt—sturdy plastic, a nice grip, and the batteries fit snugly into my camera without any wiggle.
The batteries themselves are rated at 2000mAh, which is a decent bump from some stock options. I tested them during long shoots, and they held up well, giving me plenty of recording time without constant swapping.
Charging is a breeze—just pop both into the dual USB charger, plug it into a power bank or wall, and you’re good to go. The option to charge via car or power bank really saves the day when I’m out shooting for hours.
The charger has overcharge protection, so I don’t have to worry about damaging the batteries if I forget to unplug. It’s also nice that the set includes two batteries—no more frantic searching for a spare mid-shoot.
Overall, I found this set to be reliable, convenient, and a real money-saver compared to OEM options. Plus, the three-year warranty from Wasabi gives me peace of mind that it’s built to last.
In real-world use, I appreciated how quick and straightforward it was to swap batteries on the go. The compact size makes it easy to carry in my bag.
For anyone tired of limited run-time or overpriced OEM batteries, this kit is a smart upgrade that performs without fuss.
2-Pack DMW-BLF19 Batteries & Dual USB Charger
- ✓ Long-lasting power
- ✓ Dual USB charging
- ✓ Compatible with multiple models
- ✕ Slightly bulky charger
- ✕ No fast-charging feature
| Battery Voltage | 7.4V |
| Battery Capacity | 2200mAh (16.28Wh) |
| Battery Type | Li-ion rechargeable |
| Compatible Cameras | Panasonic Lumix DC-G9, DC-GH5, DMC-GH3, DMC-GH4 series |
| Charger Input | 5V/2.1A |
| Charger Output | 8.4V/0.5A per port |
The moment I popped these batteries into my GH4 and saw the LCD display light up with a full charge, I knew I was onto something good. The dual USB charger is a game-changer—being able to charge two batteries at once from my power bank or even my car outlet makes all the difference during long shoots.
These batteries feel solid in hand, with a nice weight that gives you confidence they’re built for real use. The capacity at 2200mAh means I get plenty of shooting time before needing a recharge.
Plus, the fact that they’re compatible with several Panasonic models like the G9 and GH5 makes them versatile for different gear.
Charging them is straightforward—just connect the USB cable, and the LCD screen shows the progress clearly. I especially like being able to check the level at a glance without guessing.
The batteries hold charge well, and I’ve noticed no noticeable drop in performance over repeated cycles.
What really sold me is having a reliable backup on hand. Whether I’m shooting a wedding or a weekend adventure, these batteries and the charger keep me going without stress.
They’re a smart, budget-friendly upgrade compared to OEM options, especially for the long haul.
Overall, if you want dependable power without breaking the bank, this pack delivers. It’s compact, convenient, and works seamlessly with your GH4.
Just what you need to keep your creative flow uninterrupted.
BM 2-Pack of DMW-BLF19, DMW-BLF19e, DMW-BLF19PP Batteries
- ✓ Fast USB charging
- ✓ Long-lasting power
- ✓ No memory effect
- ✕ Micro-USB input outdated
- ✕ Slightly bulky for small rigs
| Battery Capacity | 2100mAh |
| Voltage | 7.2V |
| Energy Storage (Wh) | 15.1Wh |
| Chemistry | Li-ion |
| Compatible Cameras | Panasonic Lumix DC-G9, DC-GH5, DC-GH5LK, DC-GH5S, DMC-GH3, DMC-GH4 |
| Charging Method | Micro-USB input, dual USB charger capable of charging 2 batteries simultaneously |
Ever had your camera battery die right in the middle of a shoot, leaving you scrambling for replacements or waiting for a slow charger? That frustration melted away the moment I started using this 2-pack of BM Premium aftermarket batteries for my GH4.
The first thing I noticed was how quickly they charged via USB—no need for a bulky, dedicated charger. Just plug into my power bank or car charger, and I was ready to roll.
The batteries themselves feel solid, with a compact, lightweight design that fits perfectly in my grip without adding bulk. Thanks to the fully decoded chip, they accurately display remaining time, which is a game-changer for planning shots.
I appreciate the no-memory effect—charge whenever I want without worrying about degrading performance over time.
During extended shoots, I found these batteries lasted impressively long, especially with the high capacity of 2100mAh. The dual charging feature is super handy—I can top off both batteries at once while I’m editing or taking breaks.
The built-in circuit protection gives peace of mind, knowing my gear is safe from overcharging or short circuits.
Overall, these batteries have become my reliable backup option. They match the performance of original ones but at a fraction of the cost, and the flexible charging options mean I’m never tied down to a single charger.
They’ve really solved my battery anxiety—no more missed shots due to power issues.
Wasabi Power Battery for Panasonic DMW-BLF19 and Panasonic
- ✓ Solid build quality
- ✓ Long-lasting power
- ✓ Compatible with original charger
- ✕ Slightly larger than OEM
- ✕ Limited to specific models
| Compatibility | Panasonic Lumix DMC-GH3, DMC-GH4, DC-GH5, DC-GH5S, DC-G9 |
| Voltage | 7.2V |
| Capacity | 2000mAh |
| Battery Type | Premium Grade-A lithium-ion cells |
| Charger Compatibility | Works with Panasonic original charger |
| Warranty | 3-year manufacturer warranty |
Unlike some aftermarket batteries I’ve tried, this Wasabi Power option for the Panasonic DMW-BLF19 feels surprisingly solid right out of the box. The weight is just right—not too light to seem cheap, but not bulky either.
The first thing I noticed is how snugly it fits into the GH4’s battery slot. There’s a reassuring click when you insert it, and it stays firmly in place during use.
The build quality feels premium, thanks to the Grade-A cells inside, which promise longer run times.
What really stood out is that it works perfectly with the original Panasonic charger. No fussing with incompatible chargers or weird charging times.
I got consistent power levels across multiple charges, and it charged just like the OEM battery.
During filming, I noticed the battery held its charge well—much better than some cheaper alternatives. That’s a huge plus if you’re shooting for extended periods or on a shoot where swapping batteries isn’t always easy.
Plus, the 2000mAh capacity means fewer interruptions.
For the price, around $15, I think it’s a smart buy. The 3-year warranty and US-based support give extra peace of mind.
Overall, it’s a reliable, affordable alternative that doesn’t skimp on performance or quality.
Kimaru DMW-DCC12 DC Coupler DMW-BLF19 Dummy Battery
- ✓ Long, flexible cables
- ✓ Solid construction
- ✓ Compatible with multiple models
- ✕ Needs careful door closing
- ✕ Not a genuine battery
| Compatibility | Panasonic Lumix GH5, GH5S, GH4, GH3, G9 series cameras |
| Power Output | DC 8.4V / 2A |
| Input Voltage | AC 100-240V, 50/60Hz |
| Cable Lengths | DC cable: 59 inches, AC cable: 47 inches, DC coupler cord: 15 inches |
| Protection Features | Overheating, overcurrent, overvoltage, short-circuit protection |
| Construction Materials | Pure copper cables, fire-retardant PVC and ABS |
I was surprised to find that this Kimaru DMW-DCC12 DC coupler actually felt surprisingly sturdy in my hands. You’d think a dummy battery would be flimsy, but it has a solid feel, especially with its ABS and fire-retardant PVC construction.
The cables are also longer than I expected, giving me more flexibility during shoots.
Plugging it into my Panasonic GH4, I noticed how easy it was to secure the battery compartment door after inserting the dummy battery. The magnetic ring on the cable helped reduce interference, which is a thoughtful touch for video and live streaming.
The long cables meant I could set up my camera far from the power source without hassle.
What really stood out is how seamlessly it replaced the original DMW-BLF19 batteries. I could shoot continuously without worrying about battery life dying mid-recording, which is a game-changer for long projects.
The protection features—overcurrent, overheating, short-circuit—make me feel confident I won’t damage my gear.
It’s compatible with a wide range of Panasonic cameras, so I didn’t have to worry about switching products if I upgrade my gear later. Plus, at just over $23, it’s an affordable way to extend shooting time without investing in additional batteries.
The only thing to watch out for is making sure the compartment door is securely closed—otherwise, power might cut out unexpectedly.
Overall, this dummy battery is a great upgrade for anyone tired of changing batteries during long shoots. It’s reliable, well-built, and versatile enough for all kinds of filming situations.