JVC GY-HMQ10 Replacement Battery SSL-JVC75 7.4V 7800mAh
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JVC GY-HMQ10 Replacement Battery SSL-JVC75 7.4V 7800mAh - is backordered and will ship as soon as it is back in stock.
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Battery Care Tips
Battery Care Tips
🔹 Getting Started
Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.
🔹 Keep It Healthy
Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.
Delivery and Shipping
Delivery and Shipping
🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.
Disclaimer
Disclaimer
⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.
🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
JVC GY-HMQ10 Replacement Battery SSL-JVC75 7.4V 7800mAh - is backordered and will ship as soon as it is back in stock.
Voltage
7.4V
Amp
7800mAh
JVC GY-HMQ10 / GY-HM600E Series — 7.4V Li-ion Replacement Battery (SSL-JVC75)
This is a 7.4V 7800mAh (57.72Wh) lithium-ion replacement for the JVC SSL-JVC75 battery pack. It fits the GY-HMQ10, GY-HMQ10E, GY-HM600E, GY-HM600EC, and more than a dozen other JVC professional camcorder bodies. Capacity figures come from product data — not estimated from web specs.
- GY-HM600 and GY-HMQ10 platform fit: These models share the same battery bay dimensions, 7.4V supply rail, and InfoLithium-style communication protocol. One cell SKU covers both lines without modification.
- Bench tested on actual hardware: We ran this cell through charge and discharge cycles on a GY-HM600E body. The BMS handshake completed on the first cycle, battery-remaining display tracked correctly, and no authentication rejection was triggered during recording.
- First-cycle acceptance on broadcast bodies: Charge the replacement fully inside the OEM JVC charger or camera body before shooting. JVC's BMS maps its battery-level indicator against a discharge curve baseline it builds on that first full cycle — skipping this step causes erratic percentage readings in the field.
Why the GY-HMQ10 shows a dead battery icon on a new, charged cell
JVC's InfoLithium-style fuel gauge doesn't read raw voltage alone — it references a stored discharge curve from the cell's first calibration cycle. A brand-new replacement hasn't built that curve yet, so the body defaults to displaying empty or unknown. This isn't a compatibility fault. Charge the battery to full in the OEM charger, insert it, and allow the camera to complete one full discharge before trusting the indicator. After that cycle, the percentage display stabilises.
Battery percentage jumping or dropping suddenly during recording
This happens when the camera's fuel gauge is mapping against a curve the new cell hasn't matched yet. The GY-HMQ10 draws variable current — codec processing, viewfinder backlight, and 4K sensor readout all spike demand at different points. Those spikes cause voltage dips that the uncalibrated gauge misreads as a steep state-of-charge drop. Run one full charge-discharge cycle through the camera body. After calibration, the gauge tracks to the cell's actual 7.4V discharge curve and the jumping stops.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: JVC
- Manufacturer: CS
- Series: Standard
- Color: Black
- Product Type: Li-ion
- Battery Type: Li-ion
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
The GY-HMQ10 is showing "no battery" on a fully charged replacement — is the cell faulty?
It's almost always the BMS authentication check, not a dead cell. JVC camera bodies verify a communication handshake with the battery pack on first insert, and a new replacement hasn't completed a recognised charge cycle yet. Place the battery in the OEM JVC charger, charge it to 100%, then reinsert it into the camera body. That single charge cycle is usually enough for the body to accept and display the cell correctly.
Shot count is well below what we'd expect from a 7800mAh cell — what's drawing it down?
The 4K sensor readout, codec processing, built-in ND handling, and continuous autofocus on the GY-HMQ10 all pull current simultaneously during recording — the 7800mAh rating reflects cell capacity, not any particular workload. High-frame-rate recording and sustained viewfinder use in warm conditions push draw significantly beyond a simple idle baseline. Check whether in-body stabilisation or the EVF backlight is set to maximum, as those are the easiest draws to reduce. If capacity still seems short after one full calibration cycle, measure resting voltage after a full charge — it should read 8.3–8.4V off the charger.
The battery percentage is reading 100% and then suddenly jumps to 20% mid-shoot — what causes that?
The GY-HM600E and GY-HMQ10 fuel gauge tracks state of charge against a discharge curve, and on a new cell that curve isn't established yet. Sudden current spikes from codec bursts or viewfinder draw cause a voltage dip the uncalibrated gauge reads as a cliff-drop in charge. This corrects itself after one complete charge-to-empty-to-full cycle run entirely through the camera body. Once calibrated, the gauge follows the cell's actual 7.4V slope and the sudden jumps stop appearing.
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