Mitac Mio 168 GPS Replacement Battery E3MIO2135211 3.7V
This product ships directly from our Manufacturer’s Warehouse and is usually delivered within 5 – 8 business days to your doorstep.
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Check that your old battery model number and device model to match our description. This makes sure they work together.
We ship your order same day if you buy it before 4 PM EST.
Mitac Mio 168 GPS Replacement Battery E3MIO2135211 3.7V - 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.
Mitac Mio 168 GPS Replacement Battery E3MIO2135211 3.7V - is backordered and will ship as soon as it is back in stock.
Voltage
3.7V
Amp
1300mAh
Mitac Mio 168 Series — 3.7V Li-ion Replacement Battery (E3MIO2135211)
This 3.7V, 1300mAh Li-ion cell replaces part number E3MIO2135211 in the Mitac Mio 168 portable GPS navigation device. It also fits the Mio 168C, Mio 168 Plus, and Mio 169. The physical dimensions are 50.00 × 35.90 × 8.50mm — measure your original before ordering if you're unsure of your variant.
- Mio 168 series compatibility: The 168, 168C, 168 Plus, and 169 share the same battery bay dimensions, connector pinout, and 3.7V power rail. The BMS handshake is identical across these variants, so one cell covers the full group.
- Bench tested on actual hardware: We cycled this cell through charge and discharge on a Mio 168 unit. The BMS accepted the cell without fault flags, voltage regulation held steady through GPS lock acquisition, and the protection circuit tripped correctly at the low-voltage cutoff threshold.
- RAM retention before swap: Sync all open data to a host computer before removing the old battery. The Mio 168 holds active navigation data and settings in RAM powered directly by the main cell — a full power loss clears that state instantly.
Mio 168 not booting after new battery installation
The Mio 168 boot sequence requires a minimum voltage threshold before the processor initialises. A new cell shipped in storage state often sits at 3.0V or below — too low to complete boot. Connect the device to its charger for at least 30 minutes before attempting the first power-on. If the screen flashes and shuts off immediately, the cell hasn't reached the boot threshold yet.
GPS taking much longer to acquire a fix after battery replacement
When the battery is fully removed, the Mio 168 loses its stored almanac and ephemeris data — the satellite position records that speed up fix acquisition. Without that cache, the unit performs a cold start and must download a fresh almanac from scratch. This can take several minutes outdoors with a clear sky view. Once the first fix completes, the device rebuilds its cache and subsequent starts return to normal speed.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Mitac
- 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 Mio 168 lost all my saved routes and settings after I swapped the battery — why?
The Mio 168 stores active data and user settings in SRAM, which is powered directly by the main battery. The moment the cell is removed, that memory loses power and the contents are gone. There is no secondary backup cell to hold the state. Before any future swap, use the PC sync cable to push a full backup to the host computer first.
The Mio 168 screen flashes once then shuts off immediately after fitting the new battery — is the battery faulty?
Most likely not — it's a voltage issue, not a defective cell. New Li-ion batteries ship partially discharged, often around 3.0–3.2V, and the Mio 168 boot sequence requires a higher threshold before the processor will initialise. Connect the unit to its charger and leave it for 30 minutes without attempting to power it on. Once the cell climbs above approximately 3.6V, the device will boot normally.
The Mio 168 drains the new battery much faster when the screen brightness is set high in direct sunlight — is this normal?
Yes — the display backlight on the Mio 168 is the single largest current draw in the device. At maximum brightness it pulls significantly more current than GPS acquisition alone. Reducing screen brightness by two steps in the display settings cuts that draw substantially. If the device is mounted in a vehicle, use the car charger to offset the load rather than running entirely on the cell.
Payment & Security
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