The TecTecTec ULT-S Pro uses CR123/CR123A 3V lithium. It uses a replaceable battery rather than an internal rechargeable cell.
Laser
What battery does the TecTecTec ULT-S Pro use?
Buy a fresh CR123/CR123A 3V lithium battery. CR123/CR123A and CR2 are different physical sizes, so do not substitute one for the other.
ULT-S Pro battery at a glance
Replaceable battery
Replace the battery instead of charging it
No dependable model-specific figure
ULT-S Pro battery specifications
| Battery type | CR123/CR123A 3V lithium |
|---|---|
| Battery system | Replaceable battery |
| Rechargeable | No |
| Charging port | Not applicable |
| Published battery life | Not reliably published |
Battery system explained
CR123/CR123A is a 3V lithium battery and is physically larger than CR2. The two sizes are not interchangeable.
No dependable model-specific battery-life figure is listed. Disposable-cell life varies mainly with how often the laser is fired, battery quality, storage and temperature.
How to replace the battery
Battery life and what affects it
No dependable model-specific battery-life figure is listed. Disposable-cell life depends on battery quality, storage conditions, temperature and how often the laser is activated.
Battery troubleshooting
ULT-S Pro will not power on
Start with a fresh CR123 lithium battery and confirm the polarity shown inside the ULT-S Pro battery compartment. Because this model uses a replaceable cell, a known-good battery is the quickest way to rule out a power issue.
Fresh CR123 battery but still no power
Confirm the battery is CR123/CR123A rather than CR2 and that it is seated firmly against both contacts.
Intermittent power after wet weather
The ULT-S Pro is listed as Rainproof / moisture resistant. Even so, check the battery compartment and seal for moisture or debris before installing another battery.
Battery drains faster than expected
Try a fresh reputable battery and inspect the compartment for moisture, corrosion or a cap that is not closing tightly.
Battery care and storage
TecTecTec ULT-S Pro battery FAQ
What battery does the TecTecTec ULT-S Pro use?
The listed battery specification is CR123/CR123A 3V lithium.
Is the TecTecTec ULT-S Pro rechargeable?
No. This model is listed as using a replaceable battery rather than an internal rechargeable battery.
Can I use a CR2 battery in the TecTecTec ULT-S Pro?
No. This model is listed for CR123/CR123A. CR123/CR123A and CR2 are different physical sizes.
How long does the TecTecTec ULT-S Pro battery last?
A dependable model-specific battery-life figure is not published in the data used here.
Why is my TecTecTec ULT-S Pro not turning on?
Install a known-good battery of the exact required type and confirm the polarity.
Battery type, charging port and power-system design can differ between similarly named rangefinders and regional versions. Before ordering a replacement battery or cable, confirm the exact model on the official TecTecTec website. Visit TecTecTec.