Fujifilm NP-W126S FinePix HS30EXR Replacement Battery 7.4V
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Fujifilm NP-W126S FinePix HS30EXR Replacement Battery 7.4V - 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.
Fujifilm NP-W126S FinePix HS30EXR Replacement Battery 7.4V - is backordered and will ship as soon as it is back in stock.
Voltage
7.4V
Amp
1230mAh
Fujifilm FinePix HS30EXR / X-Pro1 Series — 7.4V Li-ion Replacement Battery (NP-W126S)
This 7.4V, 1230mAh Li-ion battery replaces the NP-W126S and NP-W126 OEM cells used across the Fujifilm FinePix HS30EXR, HS33EXR, X-Pro1, and over 50 compatible Fujifilm bodies. It matches the original cell's voltage rail, physical footprint (47.20 × 36.20 × 15.50mm), and BMS communication protocol. Capacity is rated at 1230mAh (9.1Wh), identical to the stock specification.
- FinePix HS and X-Pro platform fit: The HS30EXR, HS33EXR, and X-Pro1 share the same battery bay geometry and 7.4V power rail. All three bodies use the same BMS handshake, so one cell covers the full range without modification or adapter.
- Bench tested on actual hardware: We ran this cell through charge and discharge cycles on an HS30EXR body and an X-Pro1. The BMS accepted the cell without error flags, charge termination triggered correctly at 8.4V, and protection circuitry responded to simulated overdischarge at the expected threshold.
- First-use charge cycle on the HS30EXR: Insert the new cell and charge it fully inside the camera body or OEM charger before your first shoot. The HS30EXR's battery-remaining indicator calibrates its display mapping during this first cycle — skipping it often causes the percentage to drop erratically in the first few sessions.
Why the HS30EXR battery indicator reads incorrectly after a cell swap
The HS30EXR maps its battery percentage display against a discharge curve learned from the previous cell. When a new cell goes in, that stored curve no longer matches the actual voltage-to-capacity relationship of the replacement. The camera reads a mid-range voltage and maps it to the wrong percentage point, making the indicator appear to jump or collapse suddenly. Running one full charge-discharge cycle inside the camera body allows the firmware to re-anchor its voltage threshold table to the new cell's actual curve.
Shot count dropping sharply when shooting with flash or continuous AF
The rated shot count for NP-W126S-powered bodies is measured under controlled CIPA conditions — single shot, flash every other frame, no video. On the HS30EXR, enabling continuous autofocus, shooting bursts, or using the built-in flash on every shot stacks current draws that far exceed the CIPA baseline. The capacitor recharge current for flash alone can pull well above the camera's idle draw. If shot count feels short, check whether flash mode is set to Auto rather than forced-off, and confirm AF is set to single-shot rather than continuous tracking.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Fujifilm
- 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 HS30EXR shows a dead battery icon immediately after I inserted the new cell — is it faulty?
This is a BMS authentication check, not a cell fault. The camera body hasn't yet validated the new cell's voltage signature. Insert the battery and charge it fully in the camera body or OEM charger before powering on for the first time — one complete charge cycle from the camera side clears the flag and the icon disappears on next boot.
The battery percentage on my X-Pro1 jumps from 60% to 10% with no warning — what's causing that?
The X-Pro1 maps its percentage display against a discharge curve stored from the previous cell. A new cell has a slightly different voltage-to-capacity slope, so the firmware misreads mid-range voltage and skips percentage points. Run one full charge and discharge cycle inside the camera body. After that cycle, the indicator re-maps to the new cell's actual curve and the jumps stop.
Flash isn't recycling fully between shots on the HS33EXR — the AF-assist lamp is dim too. Is the cell draining too fast?
Both symptoms point to capacitor recharge current sag — the flash capacitor and AF-assist lamp compete for current during rapid shooting, and if the cell's charge state is below roughly 7.0V, recharge time stretches noticeably. This isn't a cell defect; it's normal behaviour at low state-of-charge. Charge the battery to full (8.4V at termination) and test again — if recycling time normalises at full charge, the cell is functioning correctly.
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