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9.
Lithium Ion Battery and Charger
9.1. Features of the Lithium Ion Battery (ESB1)
• Has a higher energy capacity compared to the nickel metal hydride battery.
• 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.
• Even with repeated shallow discharge/charge cycles, it is difficult for the memory
effect to occur. Therefore, refresh charging is not necessary, and its charges can
be replenished additively.
• An environmentally-friendly battery that does not contain mercury or cadmium.
• Compact but high capacity. (25 V × 11.8 Ah)
9.2. How to Use the Lithium Ion Battery (ESB1)
(1)
Attaching and removing the battery to and from the wheelchair
For instructions on attaching and removing the lithium ion battery to and from the wheel-
chair, 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.
(3) Storing the battery
Store batteries in a cool, dry area. If you are not planning on
using the battery for a long period of time, charge it so that the
3 of the capacity indicator lamps light up, and then store it.
To store the battery without using it for over 3 months, check
every 3 months to see if all 3 capacity indicator lamps light
up. If 2 or less lamps turn on, charge the battery until 3 lamps
turn on.
Always put on the protective cap when storing the battery.
Indicator Switch
80 – 100%
60 – 80%
40 – 60%
20 – 40%
0 – 20%
(flashes at approx. 10%)
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