Leica GEB121 battery is a premium 6.0V Ni-MH rechargeable battery that provides long-lasting, dependable power for a wide range of Leica total stations and other surveying instruments. Whether you’re using the Leica TPS400 or TPS800 series, or older legacy models like the GPS500 and DNA03/10, this battery is your go-to power source for uninterrupted fieldwork.
Its capacity of 4200mAh ensures extended operation time, allowing surveyors to work longer in the field without interruptions.
The Leica GEB121 is both environmentally friendly and highly durable, and is constructed using high-grade Ni-MH cells. The battery supports hundreds of recharge cycles, making it a cost-effective and sustainable choice for long-term use.
Designed for professionals in surveying, construction, and geospatial industries, the GEB121 battery delivers high capacity, easy compatibility, and a reputation for rugged reliability.
Quick Specifications: Leica GEB121 Battery Ni-MH
Feature | Specification |
| Battery Model | Leica GEB121 |
| Battery Capacity | 4200 mAh |
| Battery Voltage | 6.0 Volts |
| Battery Type | Nickel Metal Hydride (Ni-MH) |
| Rechargeable | Yes |
| Compatibility | Leica TPS400, TPS800 & others |
Key Benefits of the GEB121 Ni-MH Battery
Superior Runtime
With a 4200mAh capacity, the GEB121 provides an excellent balance between weight and longevity. You can expect up to 12 hours of uninterrupted field usage depending on the total station model and usage pattern.
Engineered for Leica Instruments
Tailor-made for the Leica TPS400, TPS700, and TPS800 series, as well as older models like GPS500 and DNA03/10, this battery ensures optimal compatibility and peak performance.
Rechargeable & Eco-Friendly
Thanks to its Ni-MH chemistry, the GEB121 is rechargeable and free from harmful heavy metals like cadmium. It’s a greener alternative to disposable alkaline batteries and delivers long-term value.
Seamless Swapping & Installation
The Leica GEB 121 features a simple plug-and-play design that allows for quick replacements. Its secure fit reduces the risk of disconnection during work.
Durability in the Field
Built to withstand vibrations, temperature fluctuations, and humidity, this battery is ideal for harsh field conditions. The GEB121 battery continues to perform reliably no matter the terrain.
Detailed Compatibility List
The Leica GEB121 battery is compatible with an extensive list of Leica surveying instruments:
- Leica Total Stations: TPS400, TPS700, TPS800, TPS300, TPS1100, TPS1000, TPS1101, TPS1100C
- Leica GPS Instruments: GPS500, GS50, GS50 GPS, SR500, SR510, SR520, SR530GPS
- Leica Digital Levels: DNA, DNA03, DNA10
- Controllers & Receivers: RCS1100
- Leica TC & TCR Series: TC1102, TC1102C, TC402, TC403, TC405, TC406, TC407, TC802, TC803, TC805, TCR1102C, TCR402, TCR405 Power, TCR406, TCR406 Power, TCR407, TCR702, TCR802 Power, TCR803 Power, TCR805 Power
Whether you’re using legacy or modern Leica instruments, the GEB121 has you covered.
Why Choose the GEB121 for Your Leica Total Station?
Choosing the right power source for your Leica total station is crucial. Here’s why professionals worldwide trust the Leica GEB121:
Feature | Benefit |
| High Capacity (4200mAh) | Extended operational time |
| Wide Compatibility | Supports over 30 Leica instruments |
| Rechargeable Ni-MH | Saves cost and reduces waste |
| Secure Fit | Prevents power disconnection |
| Lightweight | Easy to transport and carry |
| Low Self-Discharge | Holds charge when stored |
How to Use the Leica GEB121 Battery?
Installation Instructions:
- Power off your Leica device before removing the battery.
- Insert the GEB121 battery securely into the battery slot.
- Ensure proper contact and a snug fit.
- Power on your device to verify functionality.
Charging Instructions:
Use a compatible Leica battery charger, such as the GKL112 or GKL211, to safely recharge the GEB121. A full charge typically takes 4–6 hours.
Best Practices to Maximize Battery Life
- Avoid Overcharging: Use a smart charger that automatically stops charging when full.
- Store in Cool, Dry Places: Extreme temperatures reduce battery life.
- Charge Before Storage: If storing long-term, keep the battery at 40–60% charge.
- Use Regularly: Frequent use helps maintain the battery’s active chemistry.
Frequently Asked Questions
What devices are compatible with the Leica GEB121 battery?
The GEB121 is compatible with over 30 Leica instruments, including the TPS400, TPS700, TPS800 series, GPS500, DNA digital levels, and TC/TCR total stations. Refer to the full compatibility list above for details.
How long does the Leica GEB121 battery last on a full charge?
The runtime depends on the instrument and its power consumption, but you can expect 8 to 12 hours of continuous use in standard conditions.
Is the GEB121 better than the older GEB111 battery?
Yes. The GEB121 features Ni-MH technology, which is more environmentally friendly and generally provides a higher capacity (4200mAh) than the Ni-Cd-based GEB111.
Can I store the GEB121 battery for extended periods?
Yes, but follow proper storage practices: charge the battery to around 50%, store it in a cool and dry environment, and recharge every 3-6 months.
How many recharge cycles does the GEB121 battery support?
With proper care, the GEB121 can endure up to 500 recharge cycles or more, depending on usage patterns and charging habits.
Is the Leica GEB121 waterproof?
While the battery itself is not fully waterproof, it is resistant to moisture and light rain. Always ensure your equipment is protected in extremely wet environments.
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