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Losi LOSB0101 User Manual

Page 3

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Batteries and Charging:

The Speed-T uses rechargeable batteries such as NiMH or

LiPo. These batteries all have special requirements to preserve

performance and last a long time. Read all instructions and

precautions that are provided with the batteries intended to

be used in the Speed-T.

Read all instructions provided by the manufacturer

of the batteries.

Responsible adult supervision is necessary while

charging batteries.

Always check to ensure the polarity of battery

connection is correct.

Never leave batteries unattended while charging.

Never charge a battery while it is installed in the

Speed-T.

Do not charge any battery that appears to have

any damage.

If there are exposed wires do not charge or use the

battery until you have installed shrink-wrap or replaced

the complete wire.

If charging NiMH batteries, select a charger to meet your

requirements. Chargers can be of two primary types for

their source of power; a 100-240V wall charger, or one

which requires a 12V power supply. Follow the charger

manufacturer’s instructions and precautions during each use.

Special Consideration for Using LiPo

Batteries and Charging:

Lithium Polymer batteries have gained in popularity for use

in RC vehicles because of their size and power capabilities.

These batteries must be used with special care and handling.

LiPo batteries are only recommended for the experienced

hobbyist with knowledge of handling LiPo batteries who

completely understands the associated risk when using these

batteries. LiPo batteries are extremely sensitive to both over-

charging and over-discharging.
The Speed-T can be used with 2- or 3-cell LiPo batteries ONLY.

2-cell is 7.4V and fully charged at approximately 8.4V

3-cell is 11.1V and fully charged at approximately 12.6V

The supplied Xcelorin Electronic Speed Control (ESC) can

support up to and including a 3-cell LiPo only. The ESC has

a Low Voltage protection feature that the user must set to

match the battery being used. The ESC will turn on the Red

LED and reduce power to the motor when the battery voltage

has dropped below the cutoff voltage. For LiPo batteries this

is typically 3V per cell, ex: a 3-cell LiPo would have a 9.0V

voltage cutoff. It is the user’s responsibility to ensure that the

LiPo battery is not over-discharged.
It is mandatory that if you choose to use a LiPo battery that

you (the user) read all instructions and safety precautions

supplied by the battery manufacturer. This applies to the

selected LiPo charger as well.

Supplied tools:

2-Way wrench

Radio Adjusting Screw Driver

Transmitter / Receiver BIND Plug
Four (4) Hex Wrench “L” shaped

.050", 1/16", 5/64", and 3/32"
Flat Turnbuckle Wrench

Recommended Accessories:

-

Hobby grade knife

-

CA glue (LOSA7880 or LOSA7881)

-

Needle nose pliers

-

Side cutting pliers

-

Double sided tape (LOSA4004)

-

Safety Goggles

-

Soldering iron

Required Equipment:

Four (4) AA alkaline batteries for the transmitter.

A Six (6) or Seven (7) cell NiMH battery pack. Or with

proper knowledge, LiPo battery packs.

NiMH battery charger with automatic “peak detection”

recommended. Or a Lithium Polymer (LiPo) charger that will

charge a LiPo battery.

Using your charger:

If you do not yet have a charger a peak-detecting charger

will provide the performance required and take care of your

expensive batteries.
A popular choice for a charger would be a peak detection

charger that can be plugged into a household A/C wall socket.

The peak detection portion of the charger monitors the battery

charging and will automatically shut off upon full charge.
The other choice of peak detection charger requires a 12V

power source to charge your batteries. You would need to use

or purchase a hobby grade 12V power supply before charging.

If you are going to be using a charger other than a peak

detection charger it is important to have your battery fully

discharged prior to recharging. Many of these have a 15-20

minute timer that allows you to set to the amount of charge

time. If the battery was not fully discharged from prior use, you

can potentially over charge your battery pack.
Do not charge any battery unattended, and monitor for

heat build up. If the battery pack is more than warm to the

touch immediately discontinue charging.
Read all safety precautions supplied by the charger

manufacture, and also any from the battery manufacture.
Should you use Lithium Polymer batteries (LiPo) you can ONLY

use a charger specifically made for charging LiPo batteries.
For more information regarding LiPo batteries please refer to

page 9.
Below are items which are not included and can be purchased

from your Local Hobby Shop if required.

Charge adaptor (not included) if the selected charger has

a Molex connector, sometimes referred to as a Tamiya Style.

OR

The following lead adaptor if the selected charger uses

banana plugs.

Transmitter Batteries

Charge Adaptor (LOSB9610)

Banana Plugs w/Leads (LOSB9613)

Vehicle Battery

(LOSB9901 or LOSB9902)

Charger

Supplied and Required Equipment