Casio NP-80 Exilim Zoom EX-Z1 Replacement Battery 3.7V 660mAh
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Casio NP-80 Exilim Zoom EX-Z1 Replacement Battery 3.7V 660mAh - 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.
Casio NP-80 Exilim Zoom EX-Z1 Replacement Battery 3.7V 660mAh - is backordered and will ship as soon as it is back in stock.
Voltage
3.7V
Amp
660mAh
Casio Exilim Zoom EX-Z1 Series — 3.7V Li-ion Replacement Battery (NP-80 / NP-82)
This 3.7V 660mAh Li-ion cell replaces the NP-80 and NP-82 batteries across the Casio Exilim Zoom lineup, including the EX-Z1, EX-Z19, EX-Z270, and EX-Z280 among 183 compatible models. The cell measures 40.00 × 31.10 × 5.90mm and seats directly into any NP-80 compatible battery door. Capacity is 660mAh (2.44Wh), matching the OEM specification.
- Exilim Zoom series fit: The EX-Z1 through EX-Z280 share the same 3.7V single-cell architecture and NP-80 form factor. The battery door latch, contact orientation, and BMS handshake protocol are consistent across this platform, so one cell covers the full range without modification.
- Bench tested on actual hardware: We ran this cell through charge and discharge cycles on the EX-Z series body. The BMS accepted the cell without triggering an authentication fault, and the protection circuit engaged correctly at low-voltage cutoff — no hard shutdowns mid-session.
- First-cycle initialisation on the Exilim BMS: Charge this cell fully inside the camera body or OEM charger before your first shoot. The Exilim BMS maps its battery-remaining display to a discharge curve it learns on the first full cycle — skipping this step causes the indicator to jump erratically between readings.
Battery percentage jumping on the Exilim display after fitting a new cell
The Exilim BMS uses a voltage-threshold table to estimate remaining charge. A new cell has a slightly steeper discharge curve near the top end compared to a worn OEM cell, so the camera misreads the voltage steps and the displayed percentage jumps or drops suddenly. This is not a fault in the cell — it is the camera recalibrating its internal fuel gauge. Run one complete charge from flat to full without interrupting the cycle. After that first full cycle, the percentage reading stabilises against the actual discharge curve of the new cell.
Camera showing dead battery indicator immediately after fitting a charged replacement
Some Exilim bodies show a flat-battery icon on first install of a new cell even when the cell is fully charged. The camera's BMS does not recognise the cell's state-of-charge until it completes one charge cycle from within the body or an OEM-compatible charger. Remove the battery, place it in the OEM charger until the charge indicator confirms full, then reinstall. If the body still shows a dead cell, initiate a charge cycle directly in the camera body — let it run to 4.2V before shooting.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Casio
- 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
My Exilim EX-Z1 shows "no battery" or a dead icon right after I put in a fully charged replacement — is the cell faulty?
The cell is almost certainly fine. The Exilim BMS does not read the state-of-charge on a new cell until it completes at least one charge cycle through the camera body or an OEM-compatible charger. Fit the cell, plug the camera into its charger, and let it run a full charge to 4.2V before powering on. After that first cycle the camera accepts the cell and the indicator reads correctly.
My shot count is noticeably lower than what the spec suggests — the battery seems to drain faster than it should.
The 660mAh rating reflects draw under standard still-capture conditions, but the EX-Z series draws significantly more current when the flash recycles, autofocus hunts in low light, or the optical zoom motor runs frequently. Each flash discharge pulls a burst of current that the spec shot count does not fully account for. To extend a charge, switch flash to manual or off when lighting allows, and use fixed-focus mode where the scene permits. This is a load-behaviour issue, not a cell-capacity fault.
The flash takes noticeably longer to recycle between shots — is this a battery problem?
Flash recycling slows when the cell cannot deliver enough current to recharge the capacitor quickly. On a new replacement cell this can happen if the cell has not yet completed a full charge cycle and is sitting at a lower resting voltage than it should be. Charge the cell fully in the OEM charger, confirm the charger LED signals complete, then retest flash recycling. If the problem persists only toward the end of a charge, that is normal capacitor-recharge sag as cell voltage drops below 3.6V — swap to a second cell at that point.
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