Wama Electronic Technology Co.,Ltd

Wama Electronic Technology Co.,Ltd

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WaMa Electronic Technology Co.,Ltd

TEL: 0086-20-36559279

ADD:No.3, Fenghe Industrial Park, Fenghe, Renhei Town, Baiyun 510470, Guangzhou, China



Hot Sell 18650 Li-ion Battery Pack 2s1p 7.4V Battery 2200mAh
Basic Info
  • Model NO.: QW074-2200-L

  • Connection Mode: Series Connection

  • Discharge Rate: Low Discharge Rate

  • Rated Capacity: >1000MAH

  • Battery Type: 18650 Battery

  • Warranty: One Year

  • Package: fermented plastic bag and carton

  • Origin: China

  • Type: Lithium-Ion Battery Pack

  • Rechargeable: Chargeable

  • Size: Small

  • Standard Voltage: 4.8V~8.4V

  • Delivery Time: About 15 Days After Confirm Order

  • Trademark: WAMA

  • Specification: NO

  • HS Code: 850760000

Product Description
7.4V 2200mah (18650*2) Battery Pack


High quality 7.4V 2.2Ah Li-ion rechargeable battery Module is made of 2 PCS High quality SANYO/LG/Other Top Brand Korea 18650-2200mAh Li-ion Cell with PCB.

Packed side by side in series
Wrapped by PVC tube

Voltage: 7.4V(working) 8.4V(peak) 5.5V(cut-off)
Capacity: 2200mAh (16.28wh)

One PCB installed with the battery pack and protects the battery from
. Overcharge(>8.4V)
. Overdischarge(<5.5 V)
. Over drain (>9 Amp)
. Short circuits

Prewired: 6" 20 AWG open end wire
Charging rate: 1.0A ( recommended ), 2 A max.
Max. Discharging Rate: 9 Amp limited by PCB
Dimensions: (LxWxH)72 x 3 7x 20mm
Weight: 100g
Nominal Voltage7.4V
Nominal Capacity2200mAh
Standby Current&#8804; 15&#956;A
Working Efficiency&#8805; 99%
Operating Voltage Range8.4V-6.0V
Max. Output Power15W
Load Resistance5&#937;-200&#937;
Charge Cut-off Voltage8.4V
Discharge Cut-off Voltage6.0V
Cycle Lifeabove 500 cycles
Internal Resistance
( Max, at 1000Hz. ):
&#8804; 230 m&#937;
Battery Dimention(MM)22mm(T)*48mm(W)*70mm(H)
Output/Input PortDC/1.35*3.5/7.0mm
Battery Weight120g
Charge Temperature0 &#176;C~ 45 &#176;C; 32 &#176;F~ 113 &#176;F
Discharge Temperature-20&#176;C~60&#176;C; -4 &#176;F~ 149 &#176;F
Storage Temperature-20 &#176;C~ 45 &#176;C; -4 &#176;F~ 113 &#176;F
Battery colorblack case
Storage Performance75% power remains for one year
LED battery indicator(4-stage)no load:   green(100%)-yellow(75%)-orange(50%)-red(25%)
temperature control(4-stage too)with load: green(99% power output)-yellow(75% power output)-orange(50% power output)-red(25% power output)
buzzerpress the switch each time,the buzzer will make a sound
Tips of matching heating element
the suitable power of matching heating element is 1.5w---2w

(with that power heating element,the heating temperature can reach 35&#176;c---65&#176;c,depens on the battery output power level)
Wama Electronic Technology Co.,Ltd
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