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MGI NA7105 Zip Remote Compatible Battery 3.7V 350mAh

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From $23.99 USD $29.99
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Fits MGI Zip, Quad, and G800 Navigator remote controls, replaces OEM part NA7105.
3.7V, 350mAh Li-Polymer cell delivers rated output for wireless IR transmission across full remote range.
Flat connector seats into the battery slot with polarity marked inside the compartment.
Bench testing confirmed stable BMS voltage delivery and consistent IR LED trigger current on first charge cycle.
On first install, verify polarity orientation inside the remote compartment before closing the battery door.
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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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

🔹 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.

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⚠️ 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.

Voltage

3.7V

Amp

350mAh

MGI Zip / Quad / G800 Navigator — 3.7V Li-Polymer Replacement Battery (NA7105)

This is a 3.7V, 350mAh Li-Polymer replacement battery for MGI remote controls including the Zip, Quad, and G800 Navigator series. It fits the handheld wireless remotes used to operate MGI motorized golf caddies. Match the OEM part number NA7105 to confirm fitment before ordering.

  • Zip, Quad, and Navigator compatibility: These remotes share the same compact PCB footprint, 3.7V operating rail, and NA7105 connector pinout. One battery cell covers all listed variants without modification.
  • Bench tested on actual hardware: We ran this cell through charge and discharge cycles on a Navigator remote. The BMS held cutoff voltage correctly and the cell accepted a full charge without thermal event or swelling.
  • Li-Polymer swelling check: Before installing, inspect the original cell. A swollen pouch battery can crack the remote housing if left in place. If the back cover is lifting or the cell feels puffy, remove it before powering the remote again.

Why the MGI Navigator remote goes unresponsive at low charge

The IR LED in the Navigator remote requires a minimum voltage to fire a signal strong enough for the caddy receiver to recognise. As the Li-Polymer cell drops toward 3.2V, the LED output falls below the receiver's trigger threshold. The remote appears functional — buttons click, no visible damage — but commands don't register. Replacing the cell restores full LED output voltage and normal operating range.

Remote still not working after new battery install

The NA7105 cell uses a JST-style connector with a keyed polarity orientation. If the remote shows no response after install, the most likely cause is a reversed connection — the positive and negative contacts are swapped. Disconnect the cell, rotate the connector 180 degrees, and reconnect. Confirm the remote wakes and transmits before closing the housing.

Compatible Models

Zip Quad G800 Navigator remote controls Navigator Navigator Quad Navigator G800 Navigator G600 Navigator G400

Replaces Part Numbers

NA7105

Technical Specifications

Voltage3.7V
Amp Hours350mAh
Capacity350mAh
Rate1.3Wh
Net Weight9g /0.32 oz
Gross Weight34g /1.20 oz
Approximate Weight34g /1.20 oz
Dimension 37.00 x 29.70 x 4.00mm

Product Highlights

  • Brand: MGI
  • Manufacturer: CS
  • Series: Standard
  • Color: Black
  • Product Type: Li-Polymer
  • Battery Type: Li-Polymer
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

I installed the new NA7105 battery and the MGI remote still does nothing — what did I miss?

The JST connector on this cell is easy to insert backwards, which reverses polarity and prevents the remote from powering on. Disconnect the cell, flip the connector 180 degrees, and reconnect. The remote should power on immediately. If it still doesn't respond, check that the connector is fully seated — a half-inserted plug won't make reliable contact.

The MGI remote works but I have to point it almost directly at the caddy to get a response — is that normal?

No. That behaviour means the IR LED is not getting enough voltage to produce a full-strength signal. It usually happens when the original cell has dropped below 3.2V — just enough to power the remote's logic but not enough to drive the LED at full output. Fit the new NA7105 cell and the operating range returns to normal. If the issue persists after fitting a fresh cell, inspect the connector pins for corrosion.

The replacement battery in my MGI remote seems to be draining much faster than the original did — what causes that?

A stuck or jammed button is the most common cause — it keeps the IR circuit partially active and draws current even when you're not using the remote. Remove the battery, press each button individually to check for one that doesn't spring back cleanly, and clear any debris from the button gaps. A Li-Polymer cell at rest should hold charge for several months; if drain continues after ruling out stuck buttons, the remote's PCB may have a parasitic draw fault.

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