We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Rectangular lithium battery pack, matte grey finish, 68.8 by 39.5 by 18.7 mm

Estry

Estry standard battery 3000mAh 7.4V for Connex Spot

SKU CH-22N5-X1MSQ

Lithium replacement battery for Connex Spot pressure units, 3000mAh at 7.4V with overcharge and short-circuit protection

  • TypeBatteries
  • Battery Pack1-pack
  • Battery TypeLithium
  • Battery Capacity3000mAh
  • Battery Voltage7.4
  • Direct replacement for Connex Spot pressure units
  • 3000 mAh lithium cell delivers 7.4 V output
  • Built-in overcharge, over-discharge and short-circuit protection
  • Certified to ISO 9001, RoHS, CE and UN 38.3
  • Compact 68.8 × 39.5 × 18.7 mm form factor

Direct replacement for Connex Spot

The Estry standard battery is a 7.4 V lithium pack rated at 3000 mAh and 25.16 Wh, built to match the original TM78370, 901000, BATT22 and OM11878 part numbers. It fits the Grason-Stadler Connex Spot and Connex Spot Protocol pressure units without modification. Overcharge, over-discharge, over-voltage and short-circuit protection are integrated. The pack measures 68.8 x 39.5 x 18.7 mm and weighs 132.2 g.

Upgrade from degraded original cells

When the factory cell no longer holds a full charge or shows reduced run-time, this unit restores the specified 3400 mAh capacity and 7.4 V output. The jump is worth it if the device shuts down early, reports low-battery warnings too soon, or fails calibration checks. ISO9001, RoHS, CE, UN38.3 and MSDS certifications confirm compliance with safety and transport regulations. One pack replaces the single original battery.

Fits inside the existing battery compartment

No chassis changes, wiring adapters or firmware updates are required; the connector and form factor align with the stock location. The protection circuit frees the host device from managing raw cell limits. Verify the model and part number against the list above before installation.

Highlights

  • Direct replacement for Connex Spot pressure units
  • 3000 mAh lithium cell delivers 7.4 V output
  • Built-in overcharge, over-discharge and short-circuit protection
  • Certified to ISO 9001, RoHS, CE and UN 38.3
  • Compact 68.8 × 39.5 × 18.7 mm form factor

Specifications

TypeBatteries
Battery Pack1-pack
Battery TypeLithium
Battery Capacity3000mAh
Battery Voltage7.4

Questions about this item

What are the exact dimensions of this battery so I can verify it fits the Connex Spot battery compartment?

The pack measures 68.8 mm by 39.5 mm by 18.7 mm and weighs 132.2 g, matching the original Connex Spot form factor.

How do I install the battery in the Connex Spot, and what common mistake should I avoid?

Power off the device, open the battery door, align the connector using the keyed plug orientation, and press firmly until it clicks; the frequent error is forcing the connector in upside-down, which bends the pins.

When should I replace this 3000 mAh lithium pack to keep the Connex Spot running reliably?

Replace the pack when runtime falls well below a full clinical shift or when the device reports a low-battery warning shortly after a full charge, indicating the cells have degraded.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.