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Proper maintenance of the batteries will maximize their lifespan, performance and available ride time. Our Drummer Bikes use SLA (Sealed Lead Acid) or Li-Ion (Lithium Ion) batteries in all of our electric bicycles. These are very user-friendly types of batteries when cared for properly.
Please take note of the following tips and information:
Fully charge batteries before first use.
Keep in mind the charge times for each type of the batteries.
Charge batteries at least every 30 days until regular normal use is resumed. This is recommended in order to keep batteries in optimal condition and extend their life.
Never charge the batteries for more than 8 hours
Always disconnect the charger from the wall outlet and bicycle when charging is complete (as indicated by the status on the charger) before storing the bicycle.
Do not store the batteries below 50°Fahrenheit and never allow batteries to freeze (Below 32°Fahrenheit).
Always store bicycle with fully charged batteries.
Always be sure to turn the bike “OFF” after each use via the ON/OFF power switch.
If you have left the power switch on or your product have not been charged for a long period of time, the batteries may reach a stage at which it will no longer hold charge.
The SLA Switch for On/Off is the key, rotate clockwise to turn on the battery power.
In some Li-Ion mode, the Battery power switch is the Red Button under the rear battery (beneath LED Light).
Bikes are equipped with a 5-minute sleep mode. If no activity is detected after 5 minutes the bike will go into sleep mode to conserve the batteries.
It is normal that the batteries will become warm to the touch during the recharging process. This is because the increase of internal resistance and less energy conversion efficiency from electric energy to chemical energy.
Frequent “stops and starts” will drain a battery more quickly than sustained long term use.
Even with proper care, rechargeable batteries do not last forever. Average battery life depends on use and conditions.
Additional Information about SLA Battery Packs (Sealed Lead Acid Battery)
Please Note: We advise our clients to “break-in” their SLA batteries to insure optimal battery performance. The batteries will need to have a “break-in” cycle consisting of three discharge/charge cycles before they will reach optimum performance. This involves three complete discharges and three complete recharges. After this initial “break-in” cycle batteries will have maximum possible performance and less line voltage fluctuations under load.
Additional Information about Li-Ion Battery Packs (Lithium-ion battery)
Charger
The electric bike charger has lights that show the battery charge status.
The charger may get warm to the touch, so make sure you charge they are in an open area and do not lay anything on the charger unit while charging.
Red light means charging. Green light means charge-full
The charger and charger port should be regularly inspected for damage (Cord, plug, enclosure, etc.). If damage is found stop using until the damage part can be repaired or replaced.
Use only Drummer Authorized battery chargers with Drummer Bicycles. Using any other charger will damage the batteries and void your warranty.
BATTERY DISPOSAL
The batteries used in the SLA battery packs are chemically identical to common automotive starter batteries and can be returned to any site that accepts automotive lead acid batteries for recycling. Examples include automotive service stores, automotive service center, battery recyclers, etc. To find a battery recycling facility in your area please visit either of these websites:
When recycling lead batteries do not mix them with non-lead batteries. Non-lead batteries pose a fire/explosion hazard if brought to a lead battery recycling facility. Lead batteries (example: sealed lead acid batteries, etc.) and non-lead batteries (example: lithium ion, nickel metal hydride, etc.) are recycled at different facilities.
Do not dispose of batteries in a fire due to risk of explosion.
In the event of disposal, dispose only in accordance with federal, state and local regulations.