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Rectangular black lithium-ion battery pack, 50 by 37 by 6 millimetres

Cameron & Co

Cameron & Co DS-CS-MR4000SL 3.7V 1100mAh Li-ion GPS Accessory

SKU CH-0B5V-SJ12H

Lithium-ion replacement battery for Magellan Maestro 4000, 4000T, 4010, 4040 and 4050 GPS units, 3.7 V 1100 mAh

  • Product typeBattery
  • Reliable power for Magellan Maestro GPS units
  • 7 V 1100 mAh lithium-ion cell delivers 4.07 Wh
  • Slim 50.31 × 36.61 × 5.83 mm profile fits original battery bay
  • Replaces OEM part numbers 37-00030-001, E4MT181202B12 and MX0708
  • Brand-new condition with 100 % OEM compatibility

Direct replacement battery

The Cameron & Co DS-CS-MR4000SL is a 3.7V 1100mAh lithium-ion cell built to fit Magellan Maestro 4000, 4000T, 4010, 4040 and 4050 navigation units. It replaces OEM part numbers 37-00030-001, E4MT181202B12 and MX0708 for owners whose original pack no longer holds a charge.

Single-cell voltage constraint

A 3.7V lithium-ion cell delivers usable capacity only while its voltage stays above the device’s cut-off threshold; once the pack drops below that level the GPS will shut down even if chemical charge remains. The 4.07Wh rating reflects energy at nominal voltage, not the full discharge curve.

1100mAh capacity decides fit

The 1.1Ah rating determines how long the unit can run between charges; buyers who need longer operating time between recharges will find this capacity insufficient, while users restoring factory runtime will find it an exact match.

How it compares

Measured against everything we stock in GPS Mounts & Accessories, at today’s prices. Recalculated every night.

Price $12.99
Cheaper than about 60% of the 716 comparable items (median $14.99).

Specifications

Product
Brand nameCameron Sino
Model nameDS-CS-MR4000SL
Product typeBattery

Questions about this item

Which Cameron Sino battery matches my Magellan Maestro 4000, 4000T, 4010, 4040 or 4050?

The DS-CS-MR4000SL replaces Magellan part numbers 37-00030-001, E4MT181202B12 and MX0708 across all five Maestro models listed.

What does the 3.7 V 1100 mAh rating deliver in my GPS unit?

It supplies 4.07 Wh of energy at 3.7 volts, giving the same voltage and capacity as the original battery for comparable run-time.

Does the 50.31 × 36.61 × 5.83 mm form factor fit the OEM battery compartment?

Yes, those dimensions match the factory battery so the pack seats correctly in the Maestro 4000, 4000T, 4010, 4040 and 4050.

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