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8
8. Nickel Metal Hydride Battery and Charger
8.1. Features of the Nickel Metal Hydride Battery
(JWB2)
• Equipped with Battery Management Control System (BMC). (built-in microprocessor) This is
a system that uses a computer to track charge/discharge status, operating conditions, and
temperature.
• An environmentally-friendly battery that does not contain mercury or cadmium.
• Compact but high capacity. (Capacity: 24 V × 6.7 Ah)
8.2. How to Use the Nickel Metal Hydride Battery
(JWB2)
(1) Attaching and removing the battery to and from the wheelchair
For instructions on attaching and removing the nickel metal hydride battery to and from
the wheelchair, see “3. Before Sitting in the Wheelchair” and “5. After You are Finished
Riding the Wheelchair”.
(2) Checking the residual capacity of the battery
Press the indicator switch to display the battery’s residual capacity.
Battery
Off
On
Flashing
80 – 100%
60 – 80%
40 – 60%
20 – 40%
10 – 20%
0 – 10%
Light or flash to
indicate the bat-
tery’s residual
capacity.
Indicator switch
