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B3 20W Compact Fast Charger for 2S 3S 7.4V 11.1V LiPo Battery (for 1000mAh and below, not suitable for large capacity battery)


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B3 20W Compact Fast Charger for 2S 3S 7.4V 11.1V LiPo Battery (not suitable for large capacity battery)


***Please note this charger is not suitable for charging high capacity batteries. This charger is for charging 1000mAh and below.***
Please consider a digital programmable charger - [IMAX-B6AC] or [EV-PEAK-C1XR] instead.

Charger can be used within voltage between 100V and 240V, please note the adapter that comes with this charger is EU 2-Pin 2.5A.



1. 20W Fast Charging
2. Able to charge 2s (7.4V) or 3s (11.1V) Lithium Polymer (LiPo) Battery
3. B3 20W compact charger is the best solution for 2S and 3S Lipo battery, because it is light and exquisite, 20W Max power, 1.6A charge current, AC function, especially there is separated corresponding balance port for each battery pack. It is Very suitable for RC cars and helicopters.


Input Voltage: AC 100-240V
Max. Charge Output: 20 Watts
Output Current: 1.6A
Stand By: Green
Charging: Red
Full: Green
Size without cable: ~90x58x35mm
Weight with cable: ~110g



1.Firstly, please connect the B3 with the power supply, and then the three LED lights will become green, which indicates the charger works in good order.
2.Secondly, please connect the 2S or 3S Lipo battery to the balance port, and then the LED lights will become red and it begins to charge the battery. Please note that if one cell battery is fully charged, the corresponding LED light will become green.
3.After all the LED lights all become green, the charging process is finished. Please terminate the charge process.



1.Only use the charger with LiPo battery types. Do not attempt to charge any other battery type. This charger is not compatible with LiFe, Lilo or NiMh/NiCd batteries.
2.Observe any cautions and warnings included with your battery.
3.Never leave the charger unsupervised during use. If any malfunction is observed, immediately terminate the process.
4.Keep the charger away from moisture, dust, dirt, heat, direct sunlight and vibration. Do not drop it.
5.Double-check all connections prior to starting the charge process. Do not connect with reverse polarity.
6.The charger and the battery to be charged should be placed on a heat-resistant, non-flammable and non-conductive surface. Never place them on a car seat, carpet or similar. Keep flammable and volatile materials well away from the operating area.
7.When charging LiPo batteries, we suggest using a LiPo charging safety bag, available from most hobby retailers.
8.Never charge a LiPo battery that is swollen in any way.
9.To avoid short-circuits between the output power adapter cord input connectors, always connect the adapter cord to the charger first and only then to the battery to be charged. Reverse the sequence when disconnecting.


Charger x 1

Power Adapter x 1 

Instruction Manual (English) x 1

Product Details



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