Dragonmobility Dragon Owner's Manual - Page 7

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Dragonmobility Ltd

Battery Care

a) Charging

It is important to care for the batteries by keeping

them as fully charged as possible. Whenever the

SnapDragon is not in use, it should be normal routine

to leave it on charge if possible, and it should certainly

be charged overnight, every night. To do this plug the

round connector of the charger into the socket located

on the front face of the servo unit (Fig:3), plug its

mains connector into a mains power outlet and switch

the mains on. Check that the lights on the front of the

charger conform with the information given in the

charger's own handbook (supplied with the charger).

The Powercharge battery charger usually supplied with

the SnapDragon will regulate itself to stop charging

when the batteries are fully charged, and takes very

little power keeping the batteries topped up until

required.

It is very beneficial to the life of the batteries to give tham a "top-up" charge during the day

if there is an opportunity, even if they have not been used much. It is not possible to

overcharge the batteries by using the charger supplied by Dragonmobility Ltd .

While the charger is plugged into the SnapDragon it can still be used as a seat with user

adjustable height, however for safety reasons the joystick will not drive the main motors

until the charger is disconnected. If care is taken for the charger wires the SnapDragon can

be moved by putting it in free-wheel and pushing it to adjust its position.

b) Disconnection

If, for some reason, you wish to leave the batteries off

charge for a period of time, make sure that they are

fully charged (see instructions for use of the battery

charger) and then turn OFF the servo unit using the

ON/OFF switch on the back (see Fig:4).

This disconnects the batteries from the electronics but

leaves the charger socket in operation. Leaving the

batteries connected up to the servo unit with the

switch in the ON position will gradually drain the

batteries and you will find that after about 10 days the

batteries will become drained.

Leaving the batteries in a discharged state will damage

them causing a serious reduction in battery life and

will invalidate their warranty.

SnapDragon – Owner's Manua

Issue 1,8

Fig:3

Fig:4

Charger

Socket

Main ON:OFF

Switch

Page 5