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8. Battery charging
a) Charging the vehicle's drive battery
• Drive batteries are not included with the the vehicle; these must be purchased separately. Thus, it is your choice
whether using a low-cost entry-level battery for the vehicle or a high-quality, professional, large capacity battery.
• Usually, the drive battery is supplied empty and needs to be charged. Before a drive battery can deliver its maxi-
mum power, several complete discharge and charge cycles are required.
• If you still use the „old" NiCd drive batteries, they should always be completely „empty", if possible, as the multiple
charging of a „half-full" NiCd battery may result into the so-called „Memory Effect". This means that the drive battery
loses its capacity, it does not provide any more the entire energy stored, the driving time deceases.
Recharging partially discharged batteries with NiMH or LiPo technology is no problem. A previous discharging is
usually not required.
• Higher quality drive batteries have not only a higher capacity, so that you can drive the model vehicle longer, but
also a higher output voltage under load. Therefore, more power for the motor is available which is demonstrated by
better acceleration and a higher speed.
• We encourage you purchasing a high-quality charger. Usually, this offers fast charging of the battery as well. If you
want to use a LiPo drive battery for the vehicle, then the charger must have a balancer.
• The batteries heat up during charging or discharging (while driving the vehicle). Charge the batteries only when they
have cooled down to room temperature. The same applies to the charging process; use the battery in the vehicle
only when the battery has cooled down sufficiently after charging.
• Only use a charger that is suitable for the battery type you are using (e.g. LiPo).
• For the charging process, remove the drive battery from the vehicle and disconnect it from the speed controller.
b) Charging the transmitter batteries
• Perhaps the built-in transmitter does not have a charging socket; observe the operating instructions supplied for the
transmitter. In this case, remove the inserted batteries and recharge them externally.
If the transmitter has a charging socket, then check whether the batteries are actually inserted before con-
necting a charger to the transmitter's charging socket. When charging non-rechargeable batteries there is
a risk of fire and explosion!
• The batteries in the transmitter must not be charged using quick charging, as this will damage the transmitter; the
cells in the transmitter can also heat up too much . For the maximum permissible charge current, pay attention to
the information on the sender or in the operating instructions of the remote control system.
• We recommend that you do not to charge the batteries directly in the transmitter, but outside of the transmitter (with
a high-quality charger for individual cells). Depending on the batteries, higher charging currents may be used here.
• Only use a charger that is designed for the specific number of cells inside the transmitter and the corresponding
battery type.
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