EBL TB-1447 3.7V 21J Lithium-ion Rechargeable Battery User Manual
- June 5, 2024
 - EBL
 
Table of Contents
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
- Please check if the battery is damaged, bulging, or leaking before using. If so, please stop using
 - Please make sure that the polarities are inserted as required before using them.
 - 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.
 - Please remove the battery from the device if not been used for a long time.
 - Please charge and discharge the battery at least once every three months if it has been idle for a long time.
 - Please use a compatible Type-C cable to charge batteries. Use Li-ion compatible battery charger.
 - Please avoid the batteries being used in an airtight place.
 - 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
- Do not overcharge and over-discharge batteries, please keep the charging processing under adults’ attention.
 - Do not reverse the batteries for charging, or it will cause leakage, fire hazard, and explosion.
 - Do not charge or keep batteries in high temperatures, moist and sunlight-direct places.
 - Do not charge our batteries with other types of batteries, such as Ni-Mh, Ni-Cd, Alkaline, Zinc, etc..
 - Do not charge our batteries with batteries of other brands and batteries of different sizes.
 - Don does not mix new batteries with half-used ones while singing, otherwise, it may cause over-discharging.
 - Do not charge batteries in places where children could reach.
 - Do not short-circuit the batteries, it will damage batteries for good.
 - 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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