Crane replacement battery for Hetronic 3.6V (NiMH, 2500 mAh) - Ultra-High-Power for Ergo/Mini

Axcom

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Product number: HETMINI.2500

EAN: 4064161265667

Weight: 0.11 kg

Product information

This is the most powerful expansion stage for the 3.6 volt Hetronic system. With a nominal capacity of 2,500 mAh (2.5 Ah), this battery pushes the technical maximum of modern nickel-metal hydride technology in this form factor.

It replaces the original batteries 68300900 (standard NiMH) and 68300600 (old NiCd) and compared to these (often only 1200 or 1500 mAh), offers a maximum extension of runtime. This battery is the first choice for intensive, continuous use in multi-shift operations, as it lasts an extremely long time before it needs to be put back on the charger.

Highlights at a glance

Maximum capacity (2.5 Ah): With 2,500 mAh, this battery offers the highest possible energy density for this type. That means for you: fewer charging cycles, fewer work interruptions and maximum availability of your radio remote control.
Specialist for 3.6V: Designed for Hetronic systems with 3 cells (3.6 volts). It fits perfectly in the Ergo Series and the rarer 3.6V version of the Mini transmitter.
100% compatible replacement: Replaces identically Hetronic part numbers 68300900, 68300600, 68300800 and 68300850.
State-of-the-art NiMH cells: Uses high-current-quality cells without memory effect. They also replace old, environmentally harmful NiCd batteries (68300600) easily and in an environmentally friendly way.
Robust housing: The battery is installed in a precisely fitting plastic housing (mostly black), which protects the cells from impacts and moisture.

Compatible models (extract)

Important: Please always check whether your device needs 3.6 volt!

Hetronic Ergo: Ergo, Ergo-F, Ergo-M (transmitter in "banana shape" – here 3.6V is standard).
Hetronic Mini: Attention! Only suitable for Mini transmitters designed for 3.6V. (Most mini transmitters use 9.6V and require a different, thicker battery!).
Hetronic Nova-S: (3.6V versions only).

Characteristics

Model	Replacement battery for Hetronic 3.6V (Ultra-High-Power)
Replaces original no.	68300800, 68300850, 68100800, HE900, HT-01
Chemistry	NiMH (Nickel-metal hydride) - High energy density
Voltage	3.6 V (3 high-performance cells)
Capacity	2500 mAh (2.5 Ah) - The absolute maximum for this form factor
Compatible transmitters (extract)	Hetronic ERGO (Ergo-F), MINI-HET, POCKET, Nova-S (3.6V only!)
Form factor	Compact black block (approx. 60 x 54 x 22 mm)
Charging time	Increases slightly compared to standard batteries (as more energy is being charged)
Feature	Ideal for continuous use in forestry or construction without charging option
Weight (g)	approx. 110 - 130 (highest cell density)

FAQs about the Hetronic 3.6V 2500mAh battery

Can my charger handle the high capacity of 2500 mAh?

Yes.

Your Hetronic charger charges the battery fully. However, since the "tank" is very large (2.5 Ah), charging takes longer than with the old original battery (e.g. 1.2 Ah). Expect double the charging time, but the battery will last twice as long in operation.

Why doesn’t the battery fit in my Hetronic Mini?

You probably have the 9.6V version.

This is the most common mistake: most Hetronic Mini transmitters use a 9.6V battery (part number 68300520). This is square and thicker. The 3.6V battery (68300900) offered here is flatter. Please check the number on your old battery. If it says 683005... you need 9.6V. If it says 683009... or 6... then this one is correct for you.

What are the benefits of upgrading from NiCd (68300600) to NiMH?

More performance and environmental protection.

The old NiCd batteries had the "memory effect" (capacity loss with partial discharge) and contained toxic cadmium. This NiMH battery is robust, can be recharged at any time, and delivers more stable voltage for the electronics.