Section 1

Battery Specifications

The L2 Pro and K2 each ship with a clip-on battery that mounts to the device body. Both devices use the same battery model: a 1,900 mAh lithium-ion clip-on battery. The K2's battery is fully cross-compatible with the K1, which means existing K1 batteries can be used on the K2 without modification.

Device

Battery Capacity

Runtime and Notes

L2 Pro

14.4 V, 28.8 Wh clip-on

Up to 90 minutes scanning per battery under standard conditions. Hot-swappable.

K2

14.4 V, 1,900 mAh clip-on

Up to 90 minutes scanning per battery under standard conditions. Cross-compatible with K1 batteries. Hot-swappable.

Existing K1 batteries work on the K2. The K2 was designed to use the same 1,900 mAh clip-on battery as the K1. If you have an existing inventory of K1 batteries, they will work on the K2 with no modification or adapter required. The reverse is also true. This is useful if you are running a mixed fleet during the transition period.

Real-World Runtime vs. Specification

The 90-minute figure is a manufacturer specification under standard temperature and continuous scanning conditions. Real-world runtime varies based on environment, scanning intensity, and how often the device is paused or actively communicating with LixelGO over Wi-Fi.

Conditions

Expected Runtime

Notes

Standard (15°C to 25°C, continuous scanning)

85 to 90 minutes

Specification matches field experience for typical indoor work

Cold weather (below 10°C)

~72 minutes

Approximately 20% reduction. Plan battery counts using this figure for cold-weather projects.

Below freezing (below 0°C)

~60 to 65 minutes

Further reduction. Keep spare batteries warm in an inside pocket until needed.

Hot weather (above 35°C)

85 to 90 minutes

Heat affects battery less than cold but accelerates long-term degradation if storage is also hot.

High RTK/Wi-Fi activity

75 to 85 minutes

Heavy LixelGO interaction and continuous RTK communication shortens runtime modestly.

Section 2

Battery Swap Procedures

The L2 Pro and K2 both support battery hot-swapping in the sense that the device can continue scanning across battery changes if you handle the sequence correctly. The procedure is not complicated but the timing matters: a swap performed too late, after the device has shut itself down, requires a fresh scan rather than continuing the previous segment.

Plan the Swap Before Battery Level Drops Below 20%

Do not wait for the device to warn you. By the time the battery indicator shows critical, you have less than 5 minutes of runtime remaining. Plan to end the current segment when the battery reaches approximately 20%. This gives you a comfortable buffer to complete the segment cleanly, save the project file, and swap the battery without scrambling.

End scanning before battery level drops below 20%. Below 10% means under 5 minutes of runtime. End immediately. The risk is not just losing a few minutes of scan data. If the device shuts down mid-save, the project file is corrupt and unrecoverable. Battery swap planning is part of scan splitting planning, not a separate concern.

Standard Battery Swap Sequence

1

Tap Stop in LixelGO and wait for the green LED to become solid

The fast-flashing green LED indicates the device is writing the project file. This takes 30 to 60 seconds depending on segment length. The LED becomes solid green when the save is complete. Do not handle the device, remove the battery, or power off until the LED is solid green.

2

Power off the device before removing the battery

Press and hold the power button until the device powers off completely. Removing the battery while the device is powered on can cause data corruption to recently saved files even though the active project save is complete.

3

Release the battery clip and remove the depleted battery

The battery clip is on the side of the battery facing toward the device body. Press the release tab and slide the battery off. The battery is keyed; it can only be installed and removed in the correct orientation.

4

Slide the fresh battery on until it clicks

Align the fresh battery with the device contacts and slide it on. The battery should click into place when fully seated. Do not force the battery; if it does not slide on smoothly, check the contact alignment and try again.

5

Power on and re-establish connection in LixelGO

Press the power button to power on the device. Wait for it to complete its startup sequence. Reconnect to LixelGO. If RTK is in use, wait for the satellite status to return to Fixed (typically under 60 seconds with clear sky) before starting the next scan segment.

6

Begin the next scan segment in the overlap zone

Walk to the location at least 15 meters before where the previous segment ended, and start the next segment. Re-scan the overlap zone before continuing into new territory. This is what allows Map Fusion to align the segments.

Section 3

Charging

Charging time and behavior is consistent between L2 Pro and K2 batteries. The K2 uses the same battery as the K1, so charging behavior is identical to existing K1 charging procedures.

Full charge time: approximately 90 to 120 minutes from empty to full using the supplied charger.
Charge indicator: red LED while charging, green LED when full. Solid green means the battery is fully charged and the charger has switched to maintenance mode.
Multiple chargers: charging multiple batteries simultaneously using separate chargers does not affect charge time per battery.
Heat during charging: batteries become warm during fast charging. This is normal. If a battery becomes hot to the touch, stop charging and allow it to cool before resuming.
Charge before each project day: top off all batteries the night before each project day. Do not start a project day with batteries at less than 95% charge.

Battery Capacity Planning

For most professional work, plan a minimum of 4 batteries per device. This provides 6 hours of total scanning time at standard runtime, which covers a typical full project day with margin. For larger projects or cold-weather work, increase to 6 batteries.

Project Type

Recommended Batteries

Why

Single building, standard temperature

4 batteries

3 batteries scanning + 1 spare. Covers a typical 4-hour project with margin.

Multi-building or all-day project

6 batteries

5 batteries scanning + 1 spare. Covers up to 7.5 hours of scanning at standard runtime.

Cold weather (below 10°C)

+1 to 2 additional

Cold weather reduces runtime ~20%. Add buffer for the reduced capacity.

Multi-day project, no overnight charging

8+ batteries

Without access to a power source for overnight charging, you must carry enough capacity for the full project duration.

Section 4

Battery Lifespan and Storage

L2 Pro and K2 batteries are rated for approximately 300 to 500 charge cycles before significant capacity degradation. After 500 cycles, expect the battery to deliver around 80% of its original runtime. After 800 cycles, capacity may drop to 70% or below. Replace batteries when their actual scanning runtime drops to a level that disrupts project planning.

Storage Best Practices

Storage charge level: store batteries at approximately 50% charge if they will not be used for more than 2 weeks. Long-term storage at full charge or fully depleted accelerates capacity loss.
Storage temperature: 15°C to 25°C is ideal. Avoid storing batteries in vehicles in summer or in unheated spaces in winter.
Storage location: dry, ventilated, away from direct sunlight. Original packaging or padded battery cases reduce the risk of mechanical damage and contact shorting.
Long-term storage: if storing for more than 3 months, recharge to approximately 50% every 3 months to prevent deep discharge that damages cells permanently.
Do not store damaged batteries: a battery that has been dropped, swollen, or visibly damaged should be removed from service immediately. Disposed of via your local battery recycling service, never in regular trash.

Do not store batteries fully discharged. Lithium-ion cells stored at very low charge for extended periods can enter a deep-discharge state where they cannot be safely recharged. The battery may appear to charge but will lose capacity rapidly or fail outright. Topping off to roughly 50% before long-term storage prevents this failure mode.

Section 5

Critical Battery Warnings

Do not power off during save. The fast-flashing green LED means the project file is being written. Powering off, removing the battery, or any other interruption during this window corrupts the project file. The data is not recoverable.
Do not let the device shut down from battery depletion mid-scan. An automatic shutdown does not save the project file gracefully. End the current segment with at least 20% battery remaining and swap.
Do not mix old and new batteries on the same project day without testing. A degraded battery may show a higher charge level than its actual runtime can deliver. Run aging batteries on simpler projects until you confirm their actual runtime, then plan around the reduced capacity.
Do not charge a battery that is visibly damaged. Any battery with a swollen case, visible leakage, deformed contacts, or that has been dropped from significant height should be retired and recycled, not charged.
Do not leave batteries in direct sun, in vehicle interiors above 35°C, or near heat sources. Heat damage is cumulative and irreversible. A battery that has been heat-stressed will not show external damage but will lose capacity faster than expected.

6.5 L2 Pro and K2 Battery Management