Home Companies Shenzhen Delong Energy Technology Co.,LTD

2S1P 7.4v 2000mah Li ion Battery Pack For Loud Speaker OEM ODM

Active Member

Contact Us


Address: No 1 Building,LongQuan Industrial Zone A,DaLang Street, LongHua New District,Shenzhen,China

Contact name:Iris

Shenzhen Delong Energy Technology Co.,LTD

2S1P 7.4v 2000mah Li ion Battery Pack For Loud Speaker OEM ODM

Country/Region china
City & Province shenzhen guangdong
Categories Battery Packs

Product Details

2S1P 7.4v 2000mah Li ion Battery Pack For Loud Speaker OEM ODM

Nominal Voltage7.4V
Working Voltage6V-8.4V
Nominal Capacity2000mah 2200mah 2400mah 2600mah
Charge Cut-off Voltage8.4V
Charge Current1A
Operating Efficiency≥99%
Charge MethodCC/CV-Constant Current/Constant Voltage
Charge Temperature0℃—40℃
Discharge Temperature-20℃~+60℃
Charge Duration1-3hrs(Standard)
Cycle Life TimeAbove 500 cycles
Power Self-Consumption7.5-14.2uA
Internal ImpedancePCB Internal Impedance<80mΩ, Battery Internal Impedance <180mΩ
Output TerminalDC/1.35*35mm ,DC: 7mm

1.Our battery is sent out with a little or no power, so please charge it for about  3 - 4 hours before using.When we shipment, we only charged 30-50% power.
2  Do not overcharge or overdischarge batteries .It will decrease the batteries’s service life.
3  Do not short circuit,incinerate and disassemble batteries.
4  Do not impact the battery.
5  Do not drop of cause unnecessary shocks to the batteries
6. Do not carry loose batteries in a pocket or purse with metal objects like coins,paper clips etc.  
7. Do not use inferior charger to recharge this battery in case of damaging the battery.
8. Do not put the battery in the charger too long.
9. Put it beyond the reach of children.
10.The picture only reference, detailed picture will see the actual battery.


1.Light: headlamp, emergency light, sloar flashlight, searchlight, lanten,bicycle light, LED light, military 

flashlight, high-end flashlight, high power flashlight, bright flashlight.

2.Outdoor sports products: camping light, mountain bike light, solor emergency light, self-defense flashlight,

3.Customer electronics: MPS, Tablet PC. laptop, Bluetooth earphone, power bank, portable DVD player, 

speaker, microphone, sound equipment, audio, Digital camera, vidican.

4.Home appliances products: electric mop, electric vacuum cleaner, electric children toys, electric shoes, 

electric blanket.

5.Medical devices

6.Instruments and meters: water meter, gas meter.

7.Electric transportation vehicles: electric bike, electric car, e-scooter, electric motor

8.Power tools: electric drill, mower




The Advantages Of 18650 Li ion Battery 
 1. Safety: safest Li-Ion battery, CE ROSH approved, built in PCM/PCB, none fire or explosive
 2. Clean and Green energy, no toxic material contained
 3. Powerful: Battery can discharge in 15C~20C
 4. Long life cycle, 80% capacity remain after 500 times deep cycle.                             
 5. No memory effect,highly efficient charge anytime, no reduction of capacity
 6. Operation temperature: -20~70°C
 7.Small size, light weight: 
 8. Good performance at high temperature and high temperature resistance
 9. Low self-discharge rate: < 3% monthly
 Accept OEM ODM service 



Whatsapp/viber/wechat:+86 13421307085

Hot Products

12V 7Ah Li-ion Battery Pack For LED strips,CCTV camera , Rechargeable Battery Pack Product ...
12 V Rechargeable Battery Pack Replace Lead Acid Battery 7Ah 8Ah 10Ah Advantages 1. Professional ...
Medical Equipment 14.8V Lithiuim Polymer Battery Pack 4S1P 750mah QUALITY IS OUR CULTURE Specificati...
7.4V 1000mah Lithiuim Polymer Battery Pack For Electronic Blood Pressure Device QUALITY IS OUR ...
3.7V Outdoor Heating Products Lithium Polymer Battery Pack 3600mah 2P1S QUALITY IS OUR CULTURE ...
2S1P Lithium 7.4v 2200mah Battery Power Pack With PCB Connector Specifications H Nominal Voltage 7...