Best 4 V Batteries in 2026

Real capacity is 500mAh-600mAh, 3.7 volt lithium battery connector plug: SM-2P black 2 pin, plug cross-sectioni size:5.5*5.2mm/ 0.22*0.195inch, Battery fit for Minsk Stunt RC Car and TREYWELL 1/18 scale RC Cars. 3.7V 500mah lithium battery fit for <br> 3.7V 500mAh li-ion battery fit for Blexy 1/18 scale Water-Resistant High Speed Remote Control Car,.

3.7v rechargeable battery voltage: 3.7V , capacity:500mAh , Material: Li-ion.Battery dimensions: L51*18*14mm /2.0*0.72*0.56inch, batery weight:19g/0.66oz. 3.7V 500mAh Li-ion rechargeable battery replacement for Tecnock Uniway Double sided Flip RC Stunt Car,Color maybe orange, green,red.

3.7V 500mAh Li-ion battery replacment for Small Size RC Cars RC Boat RC Trucks , battery replacement for AUSUT Free to fly Landtaix Seckton Small Amphibious RC Stunt car.<br>3.7V 500mAh battery fit for NQD SPESXFUN 1/16 RC Vehicle .<br>Battery replacment for Sharkool 4WD Stunt RC Car Cars. battery replacement for Cradream 4WD Stunt RC Car. Battery replacement for MissCat

Notice: Standard Tamiya plug, this plug 2 hole, one is half cicle, another is square. This battery is 8 Cell AA Battery Packs and Standard Tamiya plug. Package include: 1 Pack 9.6V 2000mAh Ni-Mh High Capacity battery and 1 pack USB charge cable,fit for Robots and some EVO Scan Scanner

Standard Tamiya plug cross-section dimensions 0.52*0.28 in/1.34*1.0cm(LxW). 9.6V Ni-Mh Battery Suitable for various applications, the 9.6V RC battery pack will work with most hobby units such as RC monster trucks, olar express trains,ricochet RC trucks, RC beetles, RC Hummers, Traxx Tyco cars, radio shack RC cars, 1/20 Tanks

The replacement NiMH 9.6V 2000mAh battery pack dimensions:L* W *H 4.09"* 2.32"*0.63" . built-in standard Tamiya connector.

From 2023, we send SM-2P female to male mini tamiya adapter cable 2 pack gift,this adapter suitable for new version skytech H101 H103 H105 big size RC Boat. Notice: SM-2P connector plug. Battery Size: 70*37*19mm /2.77*1.44*0.73 inch(L*W*H) . battery Weight: 95g/3.35oz. High quality material help you get more playing time.

7.4V 1500mAh Lithium-ion SM-2P battery connector plug: SM-2P Connector plug,7.4V; Cell: 2S ; Capacity: 1500mAh; discharge rate: 15C ; Charger plug: JST-XH 3 pin Connector. 7.4V 1500mAh Li-ion Battery SM-2P Plug for old version TKKJ Skytech H101 H105 H103 and INTEY H105 Remote control RC Boat RC Car RC helicopter RC Vehicle Buggy Trucks. H101 H103 H105 New version battery plug maybe change,

Notice: Connector Plug: SM-2P, SM-2P black 2 pin connector plug,plug end cross-section size:5.6*4.9mm/0.22*0.19in,make sure your device original battery is same plug and same size as our battery. Many client bought wrong item for his device..7.4V 2S 1500mAh Li-ion Rechargeable Battery with SM 2P Plug and USB Charger Cable for H105 H103 H101 Remote Control RC Boat

Battery discharge plug: red round banana plug. and attenstion: Red cable is positive, Black cable is negative. Charger plug: XH-3P

Battery dimensions:90*35*16mm/3.56*1.35*0.63 inch. Upgrade capacity,real capacity is 2000-2100mAh. Voltage is 7.4V, Lipo rechargeable battery.

Please charge full the battery before use. 7.4V 2000mAh 2S Lipo rechargeable battery with banana plug replacment for Promark P70 RC Quadcopter Drone, battery replacement for S yma X8C X8W X8G X8HC X8HW X8HG X8 RC quadcopter drone.

Connector plug:Red JST connector, plug end cross-section size:5.55*3.0mm/0.218*0.13inch. Plug red cable pin is positive, black cable pin is negative. make sure your device is same line, don't be reversed. 6 Channle RC Dump and RC Bulldozer replace battery. Battery suitable for 1/18 scale kolegend Remote Control Bulldozer.

Battery dimensions:L70*W50*H14.5mm/2.8*1.97*0.57 inch. weight:92gram/3.25oz. Remote control Dump and Remote Control bulldozer replace spare parts battery.

6V 900mAh Nicd rechargeable battery suitable for new version Fisca Fistone Blomiky SGILE KKNY TEMA1985 Huina 540 1540 6 Channel 2.4G RC dump truck 4 Wheel Driver Mine Construction Alloy Metal Vehicle Truck

Discharge plug:Deans T Connector, This battery is 25% more capacity than 9125 1/10 scale rc car factory battery, playing time is 25% more too, Just put the plug and cable in bottom battery room first, then put battery body above, see image 4.it can easy close the 9125 battery cover, don't worry the cable, cable is very durable.

Battery capacity Max 7.4V 1800mAh, Battery Size: 69.5*34*17.5mm/2.74*1.35*0.69 Inch. Battery weight 84g/3.0oz. 7.4V 1600mAh Battery Replacement for YONCHER YC400 1/10 Large RC Cars. Battery real capacity 1600mAh-1800mAh.

Battery spare part number:25-DJ02 or LG-DJ02 or T2119, Charger part number 25-DJ03 or LG-DJ03. This Lipo Battery real capacity up to 7.4V 2S 1800mAh.

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.

SM-2P black 2 pin connector plug,plug end cross-section size:5.6*4.9mm/0.22*0.19in

Battery dimensions: 3.33*0.97*0.57 inch / 8.5*5.0*1.5cm(L*W*H). 6-Cell 6S AA 7.2V 700mAh Rechargeable NiCd Battery Pack. Battery size L3.32*W2.0*H0.56 Inch/85*51*14mm. Make sure your battery is same connector and battery voltage as your toy vehicle battery before you buy.

7.2V 700mAh Nicd Battery Suitable for Old version Huina Fisca Fistone Sgile 15 Channel 550 1550 560 1560 570 1570 RC Excavator Construction truck, don't fit new version, new version use JST plug

Battery discharge plug: Yellow XT60 Connector, Charger plug: XH-4P plug.

11.1V 2200mAh lipo rechargeable battery with XT60 plug suitable for 800MM Warbirds;battery replacement for EPP 3D plane;battery suitable for small heli QAV180/210;battery suitable for Walkera E22;battery suitable for 450 Quad QAV250 ;battery replacement for DJI Phantom;Quadcopter and suitable for DJI Phantom FC40

11.1V 2200mAh lipo rechargeable battery with XT60 plug fit for RC Truck RC Car Vehicles RC Boat Buggy.

From 15-Dec-2022, 2 pack 6V charge cable gift, price up too.Trapezoid shape,Re-chargeable 5 AA Battery sets,Up 2 AA Down 3 AA. Include 2 Pack, Battery fit for Electric Tools , Remote Control Toys,Car,Truck,Tank,Security Facilities,

Battery Size:1.96*1.12 Inch( L x W UP),1.96*1.68 Inch(Lx W Bottom),1.05 Inch(Height) Battery fit for Rabing Land and water Blomiky SL01 Amphibious Stunt Truck. Make sure your battery size is same as this battery and same plug.

Battery fit for Flyglobal Toch ROOYA Rainbrace JJRC Q60 Q61 1:16 Military Army RC Truck.

Important Notice: There are 2 kind connector plug battery replacment for Water foam Blaster toys, This is SM-2P black 2 pin plug, if you need another kind plug battery,please choose another battery ASIN: B09Q3CCBFY instead. this battery real capacity about 600mAh.SM-2P black 2 pin connector plug,plug end cross-section size:5.6*4.9mm/0.22*0.19in . Red cable is positive, black cable is negative, please make sure your device plug positive polar in same line. or else will cause short circuit.

Discharge plug SM-2P black 2 pin connector, Battery weight 37grams/1.31oz, Lithium battery capacity 600mAh , Voltage:7.4V 2S, Discharge rate: 15C. 2S 600mAh Li-ion rechargeable battery fit.

7.4V 2S Lithium battery dimensions:L54*W28.4*H14.5mm/2.12*1.12*0.58inch. Make sure your battery room and connector fit. 7.4V 600mAh Lihium batter replacment for CAISSA Electric Gel Water Ball Blaster Splatter,.

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

Battery plug:SM-2P plug . 4-Cell AA Cuboid type 4.8V 700mAh Nicd Rechargeable Battery.

4.8V 700mAH AA NiCd Rechargeable Battery 2P Connector for Blomiky HY800 F1 F3 RC Boat

4.8V 700mAH AA NiCd Rechargeable Battery 2P Connector for RC Bus RC School Bus RC Boat

Battery Dimensions : 4.02*1.35*0.88 inch / 102*34*22.4mm, L*W*H. 11.1V 3S 40C 2300mAh Li-ion-Polymer Rechargeable Battery. Battery Plug :Deans T plug. USB Charger cable maybe take 6-9 hours to full charge the battery.

11.1V 2300mAh(Real capacity is more than 11.1V 2200mAh ) rc lipo battery suitable for Glider and EPP, Skylark M4-FPV250, Mini Shredder 200, Vortex, Emax Nighthawk 250, 400mm X-Sled, etc.(Only if the voltage, dimension and the plug fit, then it will fit).

11.1V 3S 2200mAh Lipo rechargeable Battery Applications for : Specially Designed for 800MM Warbirds, EPP 3D plane, small heli, QAV180/210, DJI Phantom Quadcopter, DJI Phantom FC40 Spare, Walkera E22，Blade 450 3D helicopter etc

ATTENTION: circle hole red cable is positive polarity, square hole black cable is negative. Mini Tamiya plug connector, plug 1 circle hole, the other square hole, red cable circle hole is positive current, black cable square hole is negative current.

Plug red cable with circle hole is positive polar, black cable square hole is negative polar, Attention your device plug red cable is in same line with the battery plug red cable, Black to black. Mini tamiya plug end cross section size:10.4*6.1mm/0.41*0.24in (L * W).

This battery only can be used in Bwine / RUKO C11 RC Trucks. Other RC Truck positive and negative polar maybe different, Battery dimensions:56*50.8*29mm / 2.22*2.0*1.14 inch (L*W*H), battery weight: 153g/5.45oz.

Discharge plug:Red JST connector, plug end cross-section size:5.55*3.0mm/0.218*0.13inch. 7.4V 1200mAh lipo rechargeable battery replacement for Huina 1592 1593 22 Channel 1:14 scale RC Excavator Construction truck.

Battery dimensions:: L66.6*W30*H15.3mm/2.62*1.18*0.6inch . Weight:63G. 7.4V 1200mAh Lipo rechargeable battery replacement for Laegendary 1:14 scale 22 Channel RC Loarder Excavator and 1:14 Scale 22 Channel Large Remote Control Dump Truck and 22 Channel Full Functional Remote Control Front Loader Construction Tractor. Battery replacment for YIZHAN X6 JJRC H40WH MJX X101 WLtoys V666 V353B UDI U829X RC Drone

7.4V 1200mAh JST Lipo rechargeable battery fit for YiZhan X6 RC Quadcopter Drone Aircfaft, 7.4V 1200mAh JST battery replacement for Cheerwing 1:16 2.4Ghz 4WD 30KM/H High Speed RC Car.