Losi LOSB9811 User Manual

Losi (LOSB9811) 2400mAh 11.1V LiPo Transmitter Battery for

Airtronics M11, MX-3, and Other Radios

of Similar Battery Configuration

User Manual

Safety Precautions:

1. Read all safety precautions prior to use.

2. Always check and ensure polarity during installation or re-installation of
battery into your transmitter.

3. Charge ONLY as a 3-cell (11.1V) lithium battery (LiPo) or may cause fire.

4. Re-charge transmitter battery when Transmitter is at 11.1V Do not allow
the battery to discharge below 9.6V.

5. This battery has protection circuitry that monitors the status of each cell to
ensure safe charging. Charge with a LOSB9603, LOSB9605 or Dynamite
DYN4058 LiPo charger. Cell balance is maintained only when used with a
balancing charger such as LOSB9605.

6. Do not use the internal radio charge circuit or connection; remove the
battery for charging and follow charging instructions.

Charging the LOSB9811 Transmitter Battery:

1. Read all safety precautions prior to charging.

2. There are two different connectors (see picture below).

a. White connector is used for Balance Charging the 3-cell LiPo
battery.
b. The Red (darker above) is the Primary Charge/Discharge connector.

3. Set your LiPo charger to the 3-cell position for 11.1V, and no more than 2.4A
for the charge rate. Do not charge at more than 1C charge rate (2.4A for
LOSB9811 which is 2400mAh battery). Exceeding this may cause the product
to ignite.

4. Connect the RED plug with your charger.

5. Do not use the internal radio charge circuit or connection; remove the
battery for charging and follow charging instructions.

6. If you’re using LOSB9605 balance charger, you should connect the balance
plug to the charger.

7. Do not leave battery unattended while charging.

8. With your LiPo transmitter battery pack properly charged, you are ready for
installation.

Installation:

1. Using your radio manufacturer’s instructions, remove your current transmitter
battery.

2. Examine and note the polarity of the Transmitter Power Connector (refer to
the manufacturer’s manual).

3. Looking at the LOSB9811 transmitter battery, notice that the RED wire is the
Positive lead and the BLACK wire is the Negative lead on the connector.

Please see, in picture below of an M11 Transmitter, the Positive (+) is the center
position of the transmitter connector, and the Negative (-) is located on either
side of the connector.

With the LOSB9811 transmitter battery in hand, plug the battery into the
transmitter connector.

4. Please note that you may want to insert a piece of soft foam material on
either side or at the end of the battery to prevent the battery from moving
around in the transmitter.

Use some soft foam such as Radio with Battery Use a hobby knife to
Losi “Foam Battery Pads” cut the battery foam
Part Number – LOSA4015 - One piece in half

- Cut only the

end off the second

Looking at the above picture, there are two pieces on the side of the battery
and the large end piece is placed at the end of the battery.

5. Your LOSB9811 LiPo transmitter battery pack is installed and ready for use.

Specifications:

- Output Voltage: 11.1V 3-cell LiPo

- Capacity: 2400mAh

- Output Connector: 3-pin J-type (Male)

- Balance Connector: 4-pin