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 nickel-zinc battery, 32.4 by 29.5 by 6 mm, 3.7 V 500 mAh

FYIOGXG CECOTEC 3795 500mAh 3.7V Nickel-Zinc Battery

SKU CH-2DS7-B96JN

Nickel-zinc replacement battery for Alarm.com Video Doorbell 3795, 500 mAh at 3.7 V

  • Battery pack size32.4 × 29.5 × 6
  • Battery typeNickel zinc
  • Battery capacity500 mAh
  • Battery voltage rating3.7 V
  • Details32.4 × 29.5 × 6
  • Product typeNickel zinc
  • Replaces Alarm.com Video Doorbell 3795 battery
  • 500 mAh capacity powers doorbell operation
  • 7 V nickel-zinc chemistry matches original spec
  • Compact 32.40 × 29.50 × 6.00 mm fits device
  • ISO 9001 certified with overcharge and short-circuit protection

Replacement Battery for Alarm.com Video Doorbell

This nickel-zinc cell is a direct replacement for the Alarm.com Video Doorbell part number 3795. It delivers 500mAh capacity at 3.7V and measures 32.40 x 29.50 x 6.00mm with a weight of 11.0g. A fully decoded chip ensures it works like the original battery. The unit is new and certified to ISO9001 standards.

Suitable for Restoring Doorbell Runtime

Homeowners needing to revive a depleted Alarm.com Video Doorbell will find this pack matches the original specifications. It is not for users whose device requires a different voltage, capacity or physical footprint. Buyers who want more storage or a different chemistry should look at other options. Always verify the part number before purchase.

Sustained Operation with Protection Circuitry

The integrated protection guards against overcharge, over-discharge, over-voltage and short circuits during continuous use. A new cell reaches its best performance after two or three complete charge and discharge cycles. Proper connector alignment is essential for reliable long-term operation. Do not expose the battery to temperatures above 60°C or 140°F.

How it compares

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

Price $13.99
Pricier than about 63% of the 10,440 comparable items (median $10.99).

Specifications

Product
Brand nameFYIOGXG
Model nameCECOTEC Conga Rockstar 900 C-VDB770 Touchless Video Doorbells ADC-VDB770-S ADC-VDB770
Part numberCECOTEC 3795
Product typeNickel zinc
Power
Battery typeNickel zinc
Battery capacity500 mAh
Battery voltage rating3.7 V
In the box
Battery pack size32.4 × 29.5 × 6

Questions about this item

Does the FYIOGXG CECOTEC 3795 battery require the original Alarm.com Video Doorbell connector to work?

Yes, the battery must be connected to the device's original connector; the supplier notes that proper connection is essential during installation.

Will the 32.40 x 29.50 x 6.00 mm dimensions fit the existing battery compartment of an Alarm.com Video Doorbell PN 3795?

The replacement matches the original 32.40 x 29.50 x 6.00 mm size, so it fits the same compartment without modification.

How can I confirm the 500mAh 3.7V nickel-zinc pack is functioning correctly after fitting it?

After two or three full charge and discharge cycles the doorbell should hold its expected runtime, indicating the decoded chip and protection circuits are operating as intended.

More in Household Batteries & Chargers

Similar items