Best 4 V Batteries in 2026

Warning tips: Discharge plug connector is female mini tamiya plug, square hole is positive polar, circle hole is negative polar, many many client do not attentioni this ,and found his device connector is not fit in the end. This battery does NOT work for 300E or 302E RC Car, their plug are different, choose battery ASIN B086R3CLXT instead for 300E or 302E RC Car. Package include 2 Pack 7.4V 1200mAh Lipo recharegable Battery with Mini tamiya plug and 2 Pack USB Charger Cable.Manufacture part number in Manual:PX9300-41, 7.4V 1200mAH 8.88Wh 2S Lipo Battery,

Discharge plug square hole is in line with red cable ,it is positive polar; Circle hole is in line with black cable, it is negative polar.Check your battery plug and positive and negative polar are same as this one or not,many client bought found not fit his device in the end. Notice the battery connector plug: Female Mini Tamiya Plug, 1 hole square,with positive pole red cable,, 1 hole circle with negative pole black cable, Mini tamiya plug section: 10*5.5mm/0.4*0.22inch(L x W), plug red cable is positive, black cable is negative. Battery fit for Bezgar HM181 HS181 1:18 scale RC Truck Cars.

Female mini tamiya plug. red cable square hole is positive polar, black cable circle hole is negative polar. Battey dimensions:2.28*1.13*0.71inch /58*28.6*18mm (L *W *H) . 7.4V 1200mAh mini tamiya lipo battery fit for Rcabcar Vcanny 1/18 scale RC Car FUNTECH RC Car 1/18 Scale Remote Control Car.

SM-2P black 2 pin connector plug,plug end cross-section size:5.6*4.9mm/0.22*0.19in . Real Capacity is more 20%-30% than normal.Waring:This is SM-2P black 2 pin connector plug,red cable is positive,black cable is negative.make sure your device battery is same.6V Nicd or NiMH AA Rechargeable Battery Pack fit for high Speed RC Truck

5-Cell 5S AA 6.0V Battery Pack. Battery size 2.8*1.96*0.56 Inch(L W H). Make sure your battery is same connector and battery voltage as your toy vehicle battery before you buy. Real capacity about 1500-2000mAh.3 times than 6V NiCd AA Battery. Battery fit for BEZGAR 17 Toy Grade 1:14 Scale Remote Control Car and 8817E and 8818E RC Truck

6V 2200mAh NiMH Rechageable SM-2P Battery fit for SZJJX SPESXFUN BEZGAR 17 18 Cyan Cradream Clesea 1:14 Scale RC Crawler Remote Control Cars .Color maybe blue,red,green or other.

Attention: Only fit for old version some kind of Amphibous RC Stunt Car, not fit for new version,new change plug, new version need choose ASIN:B0C22DXWZN instead. SM-2P black 2 pin connector plug,plug end cross-section size:5.6*4.9mm/0.22*0.19in . Real Capacity is more 20%-30% than normal.Waring:This is SM-2P black 2 pin connector plug,red cable is positive,black cable is negative.make sure your device battery is same.6V Nicd or NiMH AA Rechargeable Battery Pack 2 Pack fit for high Speed RC Truck.. Related charger ASIN: B071D5F962 and B0711YXQ85.

Attention: This is 5-Cell 5S AA 6.0V Battery Pack. Battery size 2.8*1.96*0.56 Inch(L W H), only fit for Old version Amphibous RC Stunt Cars. Make sure your battery is same connector and battery voltage as your toy vehicle battery before you buy. Real battery capacity is 800mAh to 900mAh ,20%-30% more than normal 6V 700mAh battery. Battery fit for BEZGAR 17 TB141 1:14 Scale Remote Control Car and 8817E and 8818E RC Truck. 6V 800mah Nicd battery replaced for Powerextra Gesture Sensor Transform RC Stunt Car

6V 700mAH Battery suitable for Old version Seckton big size AmphibIous Waterproof Monster RC Truck RC Car and old version SPESXFUN SL-155,Aokesi 1/12 Ansee RC Cars trucks and Remoking Military truck with wifi camera .and fit for 1:12 Scale RC Car and Cradream 1:14 Scale RC Car

SM-2P black 2 pin connector plug,plug end cross-section size:5.6*4.9mm/0.22*0.19in . Real Capacity is more 20%-30% than normal.Waring:This is SM-2P black 2 pin connector plug,red cable is positive,black cable is negative.make sure your device battery is same.6V Nicd or NiMH AA Rechargeable Battery Pack fit for high Speed RC Truck

5-Cell 5S AA 6.0V Battery Pack. Battery size 2.8*1.96*0.56 Inch(L W H). Make sure your battery is same connector and battery voltage as your toy vehicle battery before you buy. Real capacity about 1500-2000mAh.3 times than 6V NiCd AA Battery. Battery fit for BEZGAR 17 Toy Grade 1:14 Scale Remote Control Car and 8817E and 8818E RC Truck

6V 2200mAh NiMH Rechageable SM-2P Battery fit for SZJJX SPESXFUN BEZGAR 17 18 Cyan Cradream Clesea 1:14 Scale RC Crawler Remote Control Cars .Color maybe blue,red,green or other.

Waring:This is SM-2P black 2 pin connector plug,red cable is positive,black cable is negative.make sure your device battery is same.6V Nicd or NiMH AA Rechargeable Battery Pack 2 Pack fit for high Speed RC Truck.. Related charger ASIN: B071D5F962 and B0711YXQ85.

Battery size 2.8*1.96*0.56 Inch(L W H). Make sure your battery is same connector and battery voltage as your toy vehicle battery before you buy. Battery fit for BEZGAR RC Car 1:14 Aluminium Alloy Large Size and 8817E and 8818E RC Truck

6V 700mAH Battery fit for Seckton AmphibIous RC Car and SPESXFUN SL-155,DEERC DE36W DE37 Free to fly 1/16,Vatos Aokesi 1/12 Ansee RC Cars trucks and Remoking Military truck with wifi camera .and fit for NQD 1:12 Scale RC Car and Fisca Top-race Huina 11 Channel 1510 510 previous version RC Excavator and Battery fit for SZJJX Blexy 1:14 Scale RC car rock crawler truck.

Notice: There are 2 kinds plug battery compatible with water bead Blaster Toys, This item battery connector plug is SM-4P, red cable and blue cable is positibe polar, white and black cable is negative polar, make sure your device battery positive and negative polar in same line. don't be reversed.

Battery dimensions: 53*28*14.8 mm / 2.1*1.1*0.58 inch L*W*H. battery plug is 4 pin SM4P. 7.4V 600mAh Li-ion Battery Compatible with Firbert Electric Blaster toys. 7.4V 2S lithium rechable battery compatible with MSUNEC Electric Gel Water Splatter Blasters.

Battery Capacity is 600mAh, Voltage 7.4V. 7.4V 2S SM-4P 600mAh Li-ion battery Compatible with Bababiu water foam ball Blasters. Make sure connector and size match before buying.

Check your device battery plug is same as this one or not before buying.,SM-2P black 2 pin Connector plug. 6V 700mAH NiCD Rechargeable Battery 2 Pack fit for high Speed RC Truck.. Related charger ASIN: B071D5F962 and B0711YXQ85.

5-Cell AA 6.0V 700mAh Battery Pack. Battery size 2.8*1.96*0.56 Inch(L W H). Make sure your battery is same connector and battery voltage as your toy vehicle battery before you buy. Battery suitable for BEZGAR 17 Toy Grade 1:14 Scale Remote Control Car and compatible with 8817E and 8818E RC Truck. 6V 700mAh rechargeable NiCd battery replacement for Powerextra Gesture Sensor Transform RC Stunt Car

6V 700mAH Battery suitable for Seckton big size AmphibIous Waterproof Monster RC TruckRC Car and compatible with SPESXFUN SL-155,Vatos Aokesi 1/12 Ansee RC Cars trucks and suitable for Remoking Military truck with wifi camera . battery suitable for 1:12 Scale RC Car and Cradream 1:14 Scale RC Car

Suit for Remote Control Car Toys(Need 3.7V 500mAh battery SM-2P Joint )

Threeking Rc Car Toys Charger with 3.7V 500mAh Rechargeable Li-ion Battery

Included: 1pc USB Charging Cable + 1pc Rechargeable Li-ion Battery

1 Pack 6.0V 600mAH Ni-Mh battery pack and USB Charger cable. Charge fully need 2 hours .

Battery Size: 50*43*10 MM/ 1.96*1.69*0.39 Inch (L W H)

Battery fit for Powerextra Rc Stunt Car, Color: Blue (B083QGM5CS) Red (B088PG5MNT) Green (B088PDBCML).

PROLONG BATTERY LIFE &USAGE TIME: There is trickle current and smart charging manage system, the battery pack will be charged more fully and more balanced. Built-in protections guards against over-charge, over-current, short circuit and reverse polarity, protects your battery and extend life.

INTUITIVE CHARGE INDICATOR: LED light on the charger stays in Red during charging process and turns blue when battery is fully charged. Flashing red indicates that there is a bad connection. The blinking red and blue indicator indicates that the battery polarity is inversely connected. The universal 100-240V AC input enables this charger to be used anywhere.

AUTO STOP SMART BATTERY CHARGER: If you plug in power, this Rc charger will automatically detect the battery voltage and match the right current to charge, it will shut off when battery is fully charged in order to avoid over-charge.Charging time is 6-10 hours depends on your battery capacity.