Sealed silicone power battery & sealed lead-acid battery comparison
chart
Test description Typical maintenance free
lead acid battery
Maintenance
free silicone power battery
Specific energy(c20) 35-40 wh/kg 45-50wh/kg
Electrolyte Sulfuric acid Silicate compound
Standard charge time
(constant current and charge)
4-8h 1-2h
Fast charge time
(constant current and charge)
2-3h 0.5-1h
Self--discharge loss / standard
shelf life without charging
5% per month/3-6month
First month 4%, declines
after the second month,
maintains at 90% after a
year / 1-2 years
High current capability 3-7c 15-30c
Ability to recover from
over-design
Fair Excellent
Low temperature performance Performance plummets
Below 0°C
Functions normally
at-50°C
Optimal operating temperature
range
Needs ambient
temperature adjustments
No control needed
from-50°C
Environmental friendliness Allows for minor acid vapor No acid vapor at all
Charging the batteries
The battery charger is essential in providing long life for your electric
wheelchair’s batteries. The battery charger is designed to optimize your
electric wheelchair’s performance by charging the batteries safely, quickly, and
easily.
To charge the batteries using the off-board charger:
1. Position the front of your electric wheelchair next to a standard electrical
outlet.
2. Be certain the controller power is turned off and the power chair is in drive
mode.
3. Plug the off-board charger into the off-board charger/programming socket
on the controller.
4. Plug the off-board charger into the electric outlet.
5. During charging, the red lights on the controller are flashing in turn. For fully
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