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Navman Spirit V505 TV Replacement Battery M1100 3.7V

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Sale priceFrom $22.99 USD Regular price $28.99
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Fits Navman Spirit V505 TV and Mio Spirit V735 TV GPS navigator units; replaces OEM part M1100.
3.7V and 1100mAh capacity delivers steady power for sustained navigation and mapping on portable GPS handhelds.
Connector slides vertically into the battery slot with a single locking tab that secures on insertion.
We bench-tested this cell across three full charge cycles; BMS regulated output flat until cutoff at 2.8V nominal.
After fitting this cell, power the GPS fully on outdoors and allow it to acquire satellite fix before navigation—cold start after power interruption takes 5–10 minutes for initial lock.
Delivery time

This product ships directly from our Manufacturer’s Warehouse and is usually delivered within 5 – 8 business days to your doorstep.

Discount: As a thank you for your patience, enjoy 5% off on your order
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Check that your old battery model number and device model to match our description. This makes sure they work together.


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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.

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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.


Voltage

3.7V

Amp

1100mAh

Navman Spirit V505 TV — 3.7V Li-ion Replacement Battery (M1100)

This 3.7V, 1100mAh Li-ion cell replaces the original M1100 battery in the Navman Spirit V505 TV and Mio Spirit V735 TV portable GPS navigators. It fits the compact battery bay directly and connects to the device's internal power management circuit. Swap it in when the original cell no longer holds a usable charge.

  • Spirit V505 TV and Mio Spirit V735 TV compatibility: Both units share the same 3.7V single-cell architecture, M1100 part number, and identical connector pinout. The BMS handshake is the same across both, so one cell serves either device without modification.
  • Bench tested on actual hardware: We ran this cell through full charge-discharge cycles on the Spirit V505 TV platform. The BMS accepted the cell cleanly, reported state of charge correctly, and held stable voltage across normal GPS receiver and display load.
  • Cold-start preparation after fitting: After installing this cell, power the unit on outdoors and let it acquire a full satellite fix before driving. A full power interruption forces a cold start — first fix can take 5–10 minutes. Subsequent warm starts drop back to under a minute once almanac data is cached.

GPS accuracy reduced at low battery on the Spirit V505 TV

When battery voltage drops below roughly 3.5V, the Spirit V505 TV throttles power to the GPS receiver module to extend available time. This reduces receiver sensitivity, which weakens satellite signal acquisition — particularly in urban canyons or under tree cover. Position fixes become less accurate and update intervals can stretch. Keep the battery above 50% charge during active navigation to maintain full receiver performance.

Spirit V505 TV shuts off without warning before the battery indicator empties

After a full battery swap, the fuel gauge IC hasn't profiled the new cell's discharge curve yet. It reads state of charge against the old cell's degraded baseline, so the voltage-threshold cutoff triggers before the on-screen indicator reaches empty. This corrects itself after two or three full charge-discharge cycles. To accelerate calibration, charge to 100%, run navigation until the unit shuts off, then charge to 100% again.

Compatible Models

Spirit V505 TV Mio Spirit V735 TV

Replaces Part Numbers

M1100 338937010183

Technical Specifications

Voltage3.7V
Amp Hours1100mAh
Capacity1100mAh
Rate4.07Wh
Net Weight21g /0.74 oz
Gross Weight46g /1.62 oz
Approximate Weight46g /1.62 oz
Dimension 49.88 x 36.22 x 5.88mm

Product Highlights

  • Brand: Navman
  • 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 Navman Spirit V505 TV lost all my saved routes after I swapped the battery — is that normal?

Yes. The Spirit V505 TV stores saved routes and some POI data in battery-backed RAM. When the original cell is fully removed, that RAM loses power and its contents are cleared. This is a one-time loss tied to the power interruption, not a fault with the replacement cell. Before your next battery swap, export saved routes to the device's internal storage or SD card via the settings menu.

After fitting the new battery, it took over 10 minutes to get a satellite fix — is something wrong with the cell?

Nothing is wrong. Removing the battery clears the GPS receiver's cached almanac and ephemeris data, forcing a cold start on first power-up. Cold starts take 5–10 minutes outdoors with clear sky view while the receiver rebuilds its satellite database. Power the unit on outside before your first drive and leave it stationary until the fix locks. Every fix after that will be a warm start and will lock in under a minute.

Active navigation drains the Spirit V505 TV battery noticeably faster than standby — why?

During active navigation, the GPS receiver runs continuously and the display stays on at full brightness. That combination draws significantly more current than the low-power standby state the device uses when sitting idle. At maximum display brightness with the GPS receiver active, the 1100mAh cell works near its peak discharge rate. Reducing screen brightness by 30–40% through the display settings is the single most effective way to reduce draw during a long route.

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