Rechargeable Batteries KB-20A for South Kolida KTS-400/400R Total
Station Battery
Model: KB-20A
Specifications:
| Model | KB-20A |
| Color | Camel |
| Type | Ni-Mh |
| Used For | Kolida South Total Station |
| Voltage | 6.0V |
| Capacity | 3500mAh |
| Temperature | 0-40 centigrate |
| Weight | 350g |
| Size | 130*80*33mm |
| Warranty | 1 year |
| Package | Packed in a poly bag and carton |
| Charger | KC-20A |
| Fit Model | KTS-400/400R |
A reliable Source of Power
Modern survey instruments and systems are dependent on electronics.
A reliable source of electrical power is essential for the smooth
functioning of the instrument or system. The batteries available
from Leica Geosystems are of the highest quality in respect of
temperature tolerance, recharging capability, operating time and
cycle behaviour.
Battery Maintenance/ Safety Tips
- Please take battery out of machine if it has not been used for a
long time.
- Do not put battery with key and other metal together to avoid short
circuit and causing a fire.
- When the battery is discarded, please don’t throw it in the trash
tin.
- Keep the battery dry, avoid water and humidity, and keep it out of
the reach of children.
- No taking apart
Cell Type
Most survey batteires currently use nickel-cadmium (NiCd),
nickel-metal hydride (NiMH) and Lithium Ion (Li-Ion) cells. The
cell type is marked on the battery.
NiCd
NiMH cells have a higher internal resistance than NiCd cells and
are therefore not suitable for such high charging and discharging
currents, or low temperatures as NiCd cells. The voltage of the
battery collapses rapidly at negative temperatures and high current
loading. This can result in the activation of the deep discharge
protection fitted in all Leica Geosystems batteries. This means
that the full capacity of the NiMH batteries cannot be drawn at low
temperatures. Leica Geosystems only uses NiMH cells that provide
problem-free operation when supplying the current drawn by all
Leica equipment, even at –20 °C (–4 °F).
NiMH
NiMH cells have a higher internal resistance than NiCd cells and
are therefore not suitable for such high charging and discharging
currents, or low temperatures as NiCd cells. The voltage of the
battery collapses rapidly at negative temperatures and high current
loading. This can result in the activation of the deep discharge
protection fitted in all Leica Geosystems batteries. This means
that the full capacity of the NiMH batteries cannot be drawn at low
temperatures. Leosurvey only uses NiMH cells that provide
problem-free operation when supplying the current drawn by all
Leica equipment, even at –20 °C (–4 °F)
Li-lon
Li-Ion cells have a high energy density. This minimises battery
size and weight. It is a low maintenance battery; there is no
memory effect and no scheduled cycling is required to prolong the
battery’s life. In addition, the self-discharge is less than half
that compared to NiCd. The batteries have a lifetime of about 3
years from manufacture. This is caused by internal oxidation which
is hastened at high temperatures. The Li-Ion batteries supplied by
Leosurvey have a protection circuit to maintain safe operation,
limits the peak voltage of each cell during charge and prevents the
cell voltage from dropping too low on discharge. In addition, the
cell temperature is monitored to prevent temperature extremes.
