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 Ni-MH battery pack 68.0 x 51.0 x 34.16mm 7.2V 3600mAh

Estry

Estry IND221 standard battery 7.2V 3600mAh

SKU CH-MRYD-QPZ23 MPN IND221

A 7.2 V, 3600 mAh Ni-MH replacement pack for the IND221, certified to CE, RoHS, ISO 9001 and UN 38.3 with over-charge, over-discharge and short-circuit protection

  • Battery pack size1 Year
  • Details7.2
  • Exact replacement for IND221 and GP380AFH6YMXZ
  • 2 V 3600 mAh capacity delivers 25.92 Wh runtime
  • Ni-MH chemistry with overcharge and short-circuit protection
  • Certified to ISO9001, RoHS, CE, UN38.3 and MSDS standards
  • Compact 68.0 x 51.0 x 34.16 mm pack weighs 365.6 g

Purpose & Fit

The Estry IND221 is a direct replacement battery for the Transpal IND221 and part number GP380AFH6YMXZ. It supplies 7.2V and 3600mAh for devices that require the original pack dimensions and voltage. Buyers who need a different voltage, capacity or form factor cannot use this unit.

Thermals, Noise & Power

The nickel-metal hydride chemistry operates without active cooling, so the pack adds no fan noise during normal use. Internal protection circuits guard against overcharge, over-discharge, over-voltage and short circuit, keeping temperature rise within safe limits. Rated energy is 25.92Wh at the nominal voltage.

Included Extras & Software

The package contains only the battery pack; no charger, cable or management software is bundled. Certifications include ISO9001, RoHS, CE, UN38.3 and MSDS, confirming compliance with safety and transport regulations. A one-year warranty covers manufacturing defects.

How it compares

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

Price $37.99
Pricier than about 90% of the 10,440 comparable items (median $10.99).

Specifications

Product
Brand nameNi-MH
Model name3,000 mAh
In the box
Battery pack size1 Year

Questions about this item

How do I fit the Estry IND221 battery into the Transpal device, and what step is often missed?

Slide the pack into the compartment matching the 68.0 x 51.0 x 34.16 mm outline, then press until the latch clicks; the step often missed is verifying the connector polarity before closing the cover.

What upkeep will this 7.2 V 3600 mAh Ni-MH pack need over its service life?

Recharge before storage drops below 1 V per cell, keep terminals clean, and plan a replacement when run-time falls below roughly 80 % of the 25.92 Wh rating.

Which limit appears first during continuous high-drain use of this 365.6 g pack?

Internal temperature rise triggers the over-voltage and short-circuit protection, cutting output before the 3600 mAh capacity is fully depleted.

More in Household Batteries & Chargers

Similar items