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Rectangular black Li-ion GPS battery, 77 by 48 by 21 millimetres

CameronSino

CameronSino DS-CS-GM276DL 3000mAh 8.4V GPS battery

SKU CH-CT2Z-7Y5ZG

Replacement lithium-ion battery delivers 8.4V and 3000mAh for compatible Garmin GPSMAP 276, 276c, 296, 376, 378, 478 and 495 units

  • Product typeGPS Batteries
  • Product dimensions77.07 × 48.54 × 21.86 mm
  • Product weight150
  • 3000 mAh capacity powers extended GPS navigation sessions
  • 4 V Li-ion chemistry matches original Garmin specifications
  • Fits GPSMAP 276, 276c, 296, 376, 376C, 378, 478 and 495 units
  • Compact 77.07 x 48.54 x 21.86 mm size slides into existing battery bay
  • 150 g lightweight design keeps handheld device portable

Compatible GPS models

This replacement battery fits Garmin GPSMAP 276, 276c, 296, 376, 376C, 378, 478 and 495 units. It matches original part numbers 010-10517-00, 010-10517-01 and 011-00955-00 for direct OEM compatibility. Marine and aviation navigators using these devices can install it without modification.

Capacity and runtime

The lithium-ion cell delivers 3000mAh at 8.4V, providing 25.20Wh of energy for extended navigation sessions. Typical GPS operation draws modest current, so the pack supports many hours of continuous use before recharge. Heavy backlight or constant satellite acquisition will reduce practical runtime.

Voltage and chemistry limits

The 8.4V nominal output is fixed by the two-cell lithium-ion chemistry and must match the device's input specification exactly. Over-discharge below the pack's built-in protection threshold will shut the battery down until recharged. Chargers not designed for this voltage profile can damage the cells or prevent full charge.

How it compares

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

Price $26.99
Pricier than about 74% of the 716 comparable items (median $14.99).

Specifications

Product
Brand nameCameron Sino
Model nameDS-CS-GM276DL
Product typeGPS Batteries
Size & build
Product dimensions77.07 × 48.54 × 21.86 mm

Questions about this item

Will the DS-CS-GM276DL fit alongside the original 010-10517-00 battery in my GPSMAP 276c?

This battery replaces the 010-10517-00 and 011-00955-00 packs; it is not designed to be used simultaneously with the original.

How can I confirm the 8.4 V 3000 mAh pack is charging correctly after installation?

The GPSMAP unit should show a full charge icon and hold the 25.20 Wh capacity through a normal navigation session.

Does the box include a charger or only the 77.07 x 48.54 x 21.86 mm Li-ion cell?

Only the CameronSino DS-CS-GM276DL battery is supplied; a compatible charger must be purchased separately.

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