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Rectangular Ni-MH battery pack, dark casing, labelled 6.0V 3600mAh

Estry

Estry TPS1100C 6.0V 3600mAh standard battery

SKU CH-YH86-9RKNR MPN TPS1100C

6.0 V, 3600 mAh Ni-MH replacement pack for TPS1100C and compatible survey instruments

  • Battery pack size1 Year
  • Details6
  • Exact-fit replacement for survey instruments
  • 0 V 3600 mAh Ni‑MH delivers 21.6 Wh runtime
  • Built‑in overcharge, over‑discharge and short‑circuit protection
  • Certified to ISO 9001, RoHS, CE and UN 38.3
  • Compact 88.75 × 46.53 × 38.02 mm pack weighs 402.1 g

Replacement battery for survey instruments

The Estry TPS1100C is a 6.0 V nickel-metal-hydride pack rated at 3600 mAh and 21.6 Wh. It matches the original dimensions of 88.75 x 46.53 x 38.02 mm and weighs 402.1 g. The pack replaces part numbers GEB121 and GEB122 across a wide range of field controllers and total stations. Survey crews who need a direct-fit spare for daily field work will find it compatible.

Steady output during long field sessions

Ni-MH chemistry delivers a stable voltage curve across the full discharge cycle, avoiding the sharp drop-off seen in short bursts. Built-in protection guards against overcharge, over-discharge, over-voltage and short circuits, preserving capacity over repeated daily charges. The 21.6 Wh rating supports extended measurement runs without mid-day swaps. Teams relying on continuous logging or robotic tracking benefit from the consistent current delivery.

Rugged housing with certified safety

The hard-shell casing meets ISO9001, RoHS, CE, UN38.3 and MSDS standards for transport and site durability. Polarised terminals align with the instrument battery bay, ensuring a secure lock and correct polarity every time. No soldering or adapter cables are required for the listed models. Buyers needing a higher-capacity chemistry or a different voltage platform should look elsewhere.

How it compares

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

Price $38.99
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

Does the 6.0 V 3600 mAh Ni-MH pack run hot during continuous use in a total station?

The pack has overcharge, over-discharge, over-voltage and short-circuit protection to limit heat build-up during long survey sessions.

What equipment must I already own for this battery to work?

You need one of the listed instruments — TPS1100C, TC406, TCR702, SR500, DNA instruments, TCR805 Power, TC403, TC803, TCR1102C or TC407 — or an original GEB121 or GEB122 part.

Will this replacement fit the same compartment as the original GEB121 in my older TCR702?

Yes, the 88.75 × 46.53 × 38.02 mm dimensions match the original pack so it seats in the existing battery bay.

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