Husarion ROSbot 2.0 User manual

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Charging the batteries in ROSbot
The ROSbot 2.0 kit contains the Redox Beta charger. It is an universal charger, suitable for
charging NiCd, NiMH, Li-Po, Li-Fe, Li-Ion and Pb (AGM, VRLA) batteries.
Charger kit includes:
- Redox Beta charger
- AC/DC power adapter 100...240V to 12V 5A with 5.5/2.5mm plug on the 12V side
- cable to connect charger with ROSbot charging port
Due to the fact that ROSbot is powered from only one type of batteries (Li-Ion), this short
manual will contain only the information needed to charge Li-Ion batteries.

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Quick start charging guide
1. Connect the power adapter to the charger and the output cable between charger and
ROSbot (2 connectors on charger side, 1 black connector to ROSbot charging port).
2. Use red and blue buttons to select “LiPo BATT” mode and press green [Start] button.
3. Use arrows to select “LiPo CHARGE” mode.
4. Press [Start] - the current value should start blinking. Use arrows to set the current to
1.5A.
5. Press [Start] again - the voltage value should start blinking. Select “11.1V(3S)” using
arrows.
6. Press and hold [Start] for 2 seconds. The charger should now ask for confirmation. Press
[Start] again. The charging process should begin now.
7. When the charging will be finished (after about 3 hours), the charger will generate a
loud “beep” sound and will finish charging at the same time.
The picture below should help you to go through these steps.
Note: You can change charging current to maximum 3A. Please note that a regular charging
with the maximum current can shorten the battery life.
Charging Li-Ion batteries - basics
ROSbot is powered from 3 Li-Ion cells, connected in series. This type of connection is called
“3S”. The schematic below explains how the cells are wired together and with the charging
connector (on ROSbot side).

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The BAT+ and BAT- are the power connections and the “bal Bxx” wires are used to monitor the
voltage on each cell. It is strongly recommended to keep equal voltages on each cell during the
charging process. The charger included with ROSbot can charge batteries in the described way
and, thanks to that, the long life of the battery set is possible.
The nominal voltage of each cell is 3.7V but the useful range is 3.2V to 4.2V, so the total voltage
that supplies all ROSbot components is three times greater: 9.6V to 12.6V.
Important notes:
-Avoid deep discharging
Li-Ion batteries shall not be discharged below 3.0V per cell. The recommended lowest
working voltage is 3.2V. User should use appropriate software functions to monitor the
ROSbot battery voltage. This functionality is included in the default ROSbot firmware.
Contact support in case of further questions.
-Unplug charging connectors carefully
You shall not unplug the charger connectors holding the wires. The balancer connection
on ROSbot side has a latching tab (see photo below) that must be pressed before
unplugging. On the charger side there is no latching tab but you should also unplug this
connector holding the white plug.

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Redox BETA –short user manual
Li-Po/Li-Ion charge/discharge modes
Use [Batt. Type/Stop] and [Dec] buttons to select “LiPo BATT” mode and press [Start]. Then
use arrows to choose between charging/discharging modes for Li-Po or Li-Ion batteries.
LiPo CHARGE
In this mode batteries are charged in optimal way. The battery is charged to the maximum
capacity. The voltage on each cell is monitored but they are not balanced –in case of
unbalanced battery, the “strongest”cells are rather charged slower than discharged.
LiPo BALANCE
Used for charging the batteries to maximum capacity, but with the priority to have the same
voltage in each cell. If the charger needs to discharge one cell a little to achieve exact voltages,
it will do that. Use this mode if you observe that the difference between cell voltages is greater
than 0,1V.
LiPo FAST CHG
Similar to CHARGE mode but doesn’t charge batteries to the maximum capacity. In this mode,
batteries are charged only in constant current stage, which provide the best charge/discharge
time ratio.
LiPo STORAGE
The Li-Ion batteries have a specific voltage level, which is optimum to reduce the battery aging
and self-discharging during the long-term storage. Use this mode if you are going to leave the
batteries unused for more than one month.
LiPo DISCHARGE
You can use this mode to measure the capacity of the batteries. Probably you will never use
this mode. It’s mostly used for testing.
General rules for all modes:
-The charger needs to be configured in 3S mode to work with ROSbot, because it has 3
cells connected in series.
-When the charging will be finished (after about 3 hours), the charger will generate a
loud “beep” sound and will finish charging at the same time.
-The recommended charging current for ROSbot is 1.5A. Current up to 3A can be used
if the fast charging is more important for you than the battery lifespan.
Redox BETA - specification
Characteristics:
- Dimensions: 113 x 65 x 23 mm
- Operating Voltage: DC 11.0 ~ 18.0 V 5A (AC/DC adapter is included)
Power output:
- Max. Charge power 50W
- Max. Discharge power 5W
- Charging current: 0.1 ~ 5.0A
- Discharging current: 0.1 ~ 1.0A

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- Current balancing: 300 mAh / cell
- Number of supported cell NiCd / NiMH 1 ~ 15 cells
- Number of supported target Li-Po/Fe/Ion: 1 ~ 6 target
- Supported batteries Pb: 2 ~ 20V
- Weight (without cable and AC/DC adapter): 195 g
- Built-in charger memory: max. 5 packages
- Cycle feature packages
- Four programming buttons
- Built-in socket - T-deans
Capabilities:
- Discharging function
- Support LiPo / LiFe
- Fast charge function and storage charge mode
- Auto limit current
- Programmable limits of capacity
- Charging time limits
- Continuous monitoring of current input voltage on built-in display
- Save and load your own settings
Warnings
-Do not leave the charger unattended during operation.
-Do not connect charger or power adapter to power supply if you notice relevant
mechanical damage or defect. If you are not sure if you can continue to use the charger
kit, contact support.
-Avoid dust, moisture, excessive heating or direct sunlight and vibrations. These factors
may affect the charging process and cause malfunction or even serious damage of
charger or charged batteries.
-The allowed input voltage for charger is 11…18V. Too high voltage can cause damage,
too low voltage can cause malfunction or unpredictable behavior.
-Don’t put the charger close to flammable items or material.
Support
In case of any questions, please contact support at [e-mail] or ask a question on
our community forum: https://community.husarion.com/
Revision: 1.0
Date: 10.07.2018