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Rectangular lithium battery pack, dark grey finish, labelled Estry TS-900 7.4V 1800mAh

Estry

Estry TS-900 7.4V 1800mAh Lithium Standard Battery

SKU CH-4WYK-RGC9W MPN TS-900

7.4V 1800mAh lithium replacement battery compatible with TOA TS-900, TS-902, TS-802, TS-801, TS-800 and TS-901 models

  • Battery pack size1-pack
  • Battery typeLithium
  • Battery capacity1,800 mAh
  • Battery voltage rating7.4
  • Product typeBatteries
  • Direct replacement for TOA TS-series models
  • 4 V lithium chemistry delivers 1800 mAh capacity
  • 32 Wh energy rating supports extended run time
  • Built-in overcharge, over-discharge and short-circuit protection
  • Compact 71.7 x 37.6 x 20.4 mm design weighs 170.0 g

Compatible Battery Replacement

The Estry TS-900 is a 7.4V 1800mAh lithium battery designed as a direct replacement for TOA Electronics models TS-900, TS-902, TS-802, TS-801, TS-800 and TS-901. It matches the original BP-900 and BP-900UL part numbers and supplies 13.32Wh of energy for compatible wireless microphone or transmitter units.

Simple Installation Steps

Installation requires opening the device battery compartment and swapping the old pack for this unit, observing the correct polarity orientation. The pack measures 71.7 x 37.6 x 20.4mm and weighs 170.0g; verify these dimensions against the compartment before fitting. Built-in protection guards against overcharge, over-discharge, over-voltage and short circuits.

Runtime And Limits

The 1800mAh capacity provides standard operating time for supported TOA handheld or belt-pack transmitters. It will not extend runtime beyond the original specification and is unsuitable for devices requiring higher voltage or different form factors. Buyers needing longer continuous use should consider external power options or spare packs.

How it compares

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

Price $17.99
Pricier than about 73% of the 10,440 comparable items (median $10.99).

Specifications

Product
Brand nameTOA Electronics
Product typeBatteries
Power
Battery typeLithium
Battery capacity1,800 mAh
Battery voltage rating7.4
In the box
Battery pack size1-pack

Questions about this item

How can I verify the Estry TS-900 battery is working correctly after installing it in my TOA device?

Insert the 7.4V 1800mAh lithium pack into a compatible model such as the TS-900 or TS-802; the device should power on and run for the expected duration, showing normal charge and discharge behaviour.

What comes in the box with the Estry TS-900 and do I need to buy anything else?

The package contains one 71.7 x 37.6 x 20.4 mm, 170.0 g lithium battery rated at 13.32 Wh; no charger, cables or additional accessories are included.

Which battery version should I choose for my TOA TS-901 or BP-900UL equipment?

Select this single 7.4V 1800mAh lithium pack; it directly replaces the BP-900 and BP-900UL part numbers and fits TS-900, TS-902, TS-802, TS-801, TS-800 and TS-901 models.

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