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Rectangular lithium-ion battery, silver label, compact flat pack

Estry

Estry standard battery 1000mAh 3.7V for Garmin Approach G6 KF40BF45D0D9X

SKU CH-Y3FA-HHAWW

Replacement Li-ion battery delivers 1000 mAh at 3.7 V for the Garmin Approach G6, matching original KF40BF45D0D9X dimensions of 52.78 x 33.94 x 5.45 mm and 45.0 g weight, with overcharge.

  • Battery capacity1,000 mAh
  • Battery voltage rating3.7
  • Product typeRechargeable Batteries
  • 1000 mAh capacity powers full rounds on the Garmin Approach G6
  • 7 V Li-ion cell matches original KF40BF45D0D9X specifications
  • 78 x 33.94 x 5.45 mm form factor fits the device battery bay
  • 0 g lightweight design adds minimal bulk during play
  • CE, RoHS, ISO 9001, UN 38.3 and MSDS certified for safety

Direct replacement battery

The Estry standard battery is a direct replacement for the Garmin Approach G6 using part number KF40BF45D0D9X. It matches the original specifications with a 1000mAh capacity and 3.7V output. Golfers needing a fresh power source for their handheld GPS unit will find this compatible li-ion cell restores the device to its intended runtime.

Protected li-ion cell

The pack includes overcharge, over discharge, over voltage and short circuit protection circuits for safer operation. It is certificated with ISO9001, RoHS, CE, UN38.3 and MSDS, confirming compliance with international safety and environmental standards. The 3.7Wh energy rating reflects the nominal voltage and capacity without additional power-draw claims.

Compact form factor

At 52.78 x 33.94 x 5.45mm and 45.0g, the battery fits the Approach G6 battery compartment without modification. The slim 5.45mm profile ensures the device retains its original thickness and balance in hand. Buyers who need a higher capacity pack or a different connector layout should verify their model number before ordering.

How it compares

Measured against everything we stock in Household Batteries & Chargers, at today’s prices. Recalculated every night.

Price $9.99
Cheaper than about 60% of the 10,440 comparable items (median $10.99).

Specifications

Product
Brand nameGarmin
Product typeRechargeable Batteries
Power
Battery capacity1,000 mAh
Battery voltage rating3.7

Questions about this item

How do I install this battery in my Garmin Approach G6 and what step is often missed?

Power off the device, open the battery compartment, align the connector with the KF40BF45D0D9X keying, press firmly until it clicks, then close the cover before turning the unit back on.

What maintenance or replacement will this 1000mAh Li-ion battery need over time?

Expect gradual capacity loss after several hundred charge cycles; keep contacts clean, avoid deep discharge by recharging before storage, and replace the cell when runtime drops below your needs.

What limit appears first during continuous GPS use on the Approach G6 with this 3.7V 3.7Wh pack?

The 1000mAh capacity typically delivers several hours of active navigation before voltage drops to the device cutoff, making runtime the first practical limit.

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