3. Tech & Critical Components
It is important to understand the functionality of the critical components on the Tower Beach
Bum Electric Bike. This section serves as a guide to these components and the technology that
drives them. The critical components discussed in this section are the battery, LCD display,
wheels, brakes, pedals and throttle. Please contact Tower or a local bicycle maintenance
professional with any questions about components that are not listed in this section.
A. Battery Guide
The Tower Beach Bum is powered by a 48V, 14Ah lithium-ion battery. The battery is a critical
component and will be one of the most expensive to replace; follow this battery guide to
maximize its lifespan.
A.1. Charging Time
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Charge the battery after every use to ensure a maximum range for every ride. The
batteries in Tower Electric Bikes do not have any memory effect, so charging the battery
after short rides will not cause any damage.
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From a completely exhausted battery, the charge time is between 7-8 hours.
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Once the battery is 100% charged, the charger will disengage and the LED light on the
charger will turn from red to green.
A.2. Battery Charging Tips
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To maximize the life of the battery, complete a deep discharge (fully draining the battery)
every 30-50 rides.
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The battery does not need to be connected or locked to the bike during charging.
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Always charge the battery indoors, on the ground, and out of direct sunlight.
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Do not cover the charger or battery while charging. Both will be cooled by the air and
should be left with some space for the air to circulate.
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Inspect charger cables and the battery for any cracks or other damage before charging.
A.3. Charging Safety
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Do not leave the battery charging in a house or building unattended. Never charge the
battery near flammable materials. Both the charger and battery will get hot and may
present a fire risk.
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Always charge in a dry environment. If a battery is stored/charged in a moist
environment, moisture may get into the housing and damage the cells in the battery.
After riding in the rain, dry all battery components before charging.
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