The GKL221 Battery Charger is a professional-grade charging solution designed to meet the demanding needs of Leica GPS total station users. This charger is specifically engineered for a wide range of Leica GEB batteries, including the GEB111, GEB121, GEB90, GEB211, GEB212, GEB221, GEB222, GEB241, GEB242, GEB77, GEB187, GEB70, and GEB171 models. With its robust specifications and smart design, the GKL221 ensures your Leica batteries remain fully charged and ready for uninterrupted surveying work.
Designed to operate efficiently across a broad input voltage range of 100 to 240 volts, the GKL221 is compatible with global power standards, making it ideal for use on-site or in the office. Delivering an output power of 18 volts at 4 amps with a charging current of 2.5 amperes, it charges batteries swiftly, typically within 4 to 5 hours. This capability significantly reduces downtime during survey jobs, enhancing productivity and ensuring precision instruments are always operational.
Key Features
- Wide Battery Compatibility: Supports numerous Leica GEB battery models such as GEB111, GEB121, GEB90, GEB211, GEB212, GEB221, GEB222, GEB241, GEB242, GEB77, GEB187, GEB70, and GEB171.
- Universal Input Power: Operates efficiently with 100 – 240 volts AC, suitable for worldwide use.
- Powerful Output: 18V, 4A output with a 2.5A charging current for rapid and effective battery charging.
- Fast Charging: Charges Leica GEB batteries fully within 4 to 5 hours, minimizing work interruptions.
- Compact Design: Slim and portable form factor (10.9” H x 0.9” W x 1.6” D) allows for easy transport and storage.
- Durability: Built for professional use with a robust and reliable construction.
- Safety Features: Equipped with overcharge protection and temperature monitoring to ensure safe and stable charging.
- Ease of Use: Plug-and-play functionality with simple connection for hassle-free operation.
Technical Specifications
| Specification | Details |
|---|---|
| Input Voltage | 100 – 240 V AC |
| Output Voltage | 18 V DC |
| Output Current | 4 A |
| Charging Current | 2.5 A |
| Charging Time | 4 to 5 hours (depending on battery model) |
| Dimensions | 10.9” H x 0.9” W x 1.6” D |
| Compatible Batteries | GEB111, GEB121, GEB90, GEB211, GEB212, GEB221, GEB222, GEB241, GEB242, GEB77, GEB187, GEB70, GEB171 |
| Safety Features | Overcharge protection, temperature control |
Compatible Battery Models
| Battery Model | Description |
|---|---|
| GEB111 | Standard Leica rechargeable battery |
| GEB121 | High-capacity Leica rechargeable battery |
| GEB90 | Leica rechargeable battery for GPS systems |
| GEB211 | Lithium-ion battery for Leica total stations |
| GEB212 | Extended capacity lithium-ion battery |
| GEB221 | Standard rechargeable battery for Leica units |
| GEB222 | High-capacity rechargeable battery |
| GEB241 | Lithium-ion battery designed for Leica total stations |
| GEB242 | High-capacity rechargeable battery |
| GEB77 | Leica rechargeable battery |
| GEB187 | Specialized Leica battery for GPS equipment |
| GEB70 | General Leica rechargeable battery |
| GEB171 | Advanced battery for Leica total stations |
Benefits
- Minimized Downtime: Fast charging capabilities keep your batteries ready for use with minimal waiting periods.
- Versatile Compatibility: A single charger supports a broad range of Leica battery models, reducing the need for multiple chargers.
- Global Power Compatibility: Operates seamlessly worldwide thanks to its wide input voltage range.
- Safety Assured: Built-in protection features guard against battery damage during charging.
- Portable and Compact: Slim design facilitates easy handling and transport for field professionals.
- Optimized Performance: Maintains battery health by applying correct charging current and voltage based on battery type.
Applications
- Field Surveying: Ensures Leica total stations remain powered and operational throughout long survey sessions.
- Construction and Engineering: Provides dependable power management for Leica equipment on construction sites.
- Geospatial Data Collection: Supports uninterrupted data collection by maintaining battery readiness for Leica GPS systems.
- Equipment Maintenance: Integral to routine Leica battery care, prolonging battery life and preserving accuracy.
How to Use the GKL221 Charger
- Connect the GKL221 charger to a compatible power source (100-240 V AC).
- Insert the Leica battery securely into the charger slot.
- Observe LED indicators that display the charging status (charging/full charge).
- Wait 4 to 5 hours for a full charge depending on the battery model.
- Once charged, remove the battery and use it with your Leica total station.
- Store the charger in a dry and safe place when not in use.
Dimensions and Weight
| Dimension | Measurement |
|---|---|
| Height | 10.9 inches (27.7 cm) |
| Width | 0.9 inches (2.3 cm) |
| Depth | 1.6 inches (4.1 cm) |
Frequently Asked Questions
Is the GKL221 charger compatible with all Leica GEB batteries?
The GKL221 is compatible with a wide range of Leica GEB batteries including GEB111, GEB121, GEB211, GEB212, GEB221, GEB222, GEB241, and others listed above. However, it is recommended to verify compatibility for less common battery models.
How long does it typically take to charge a Leica battery with the GKL221?
Charging times vary by battery capacity but generally take between 4 to 5 hours for a full charge.
Does the charger protect batteries from overcharging?
Yes, it includes overcharge protection and temperature monitoring to ensure safe and reliable charging.
Can the charger charge multiple batteries simultaneously?
No, the GKL221 charges one battery at a time. To charge multiple batteries, additional chargers are required.











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