EBL TB-1447 3.7V 21J Lithium-ion Rechargeable Battery User Manual

June 5, 2024
EBL

EBL TB-1447 3.7V 21J Lithium-ion Rechargeable Battery

EBL-TB-1447-3.7V-21J-Lithium-ion-Rechargeable-
Battery

Product Instruction

  • Type: 21J Li-ion Battery
  • Voltage: 3.7V
  • Power: 18500mWh
  • Battery Size:21.5 76.4:0.3mm
  • User age group: 12-60-year-old and 60+-year-old.

Children should be under adults’ supervision while using Our batteries

Notice

  1. Please check if the battery is damaged, bulging, or leaking before using. If so, please stop using
  2. Please make sure that the polarities are inserted as required before using them.
  3. A new battery can achieve the best performance only if it experiences 3-5 cycles of charge-discharge. If the battery gets hot after using, it should be cooled before recharge.
  4. Please remove the battery from the device if not been used for a long time.
  5. Please charge and discharge the battery at least once every three months if it has been idle for a long time.
  6. Please use a compatible Type-C cable to charge batteries. Use Li-ion compatible battery charger.
  7. Please avoid the batteries being used in an airtight place.
  8. Please store the batteries in a cool and dry place.

How to Use

Use the Type-C cable to charge batteries, and unplug the cable after fully charged.

The indicator light shows the battery charging progress:

  • Red Light: Charging
  • Blue Light: Fully Charged

Important Safety Instructions

  1. Do not overcharge and over-discharge batteries, please keep the charging processing under adults’ attention.
  2. Do not reverse the batteries for charging, or it will cause leakage, fire hazard, and explosion.
  3. Do not charge or keep batteries in high temperatures, moist and sunlight-direct places.
  4. Do not charge our batteries with other types of batteries, such as Ni-Mh, Ni-Cd, Alkaline, Zinc, etc..
  5. Do not charge our batteries with batteries of other brands and batteries of different sizes.
  6. Don does not mix new batteries with half-used ones while singing, otherwise, it may cause over-discharging.
  7. Do not charge batteries in places where children could reach.
  8. Do not short-circuit the batteries, it will damage batteries for good.
  9. Do not disassemble or fire the batteries, or it may cause an explosion.

Warranty

We provide 30 days of worry-free money back and one year limited warranty.
Any problems, please feel free to contact us:
service@eblmail.com
Website: www.eblmall.com

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