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

Quickly Charge：Up to 3 days of battery life! Can be combined with USB charger cable to charge! Charge Full Anytime, Anywhere!

Multifunctional Use: Compatible with Baofeng UV-5R BF-8HP UV-5RX3 RD-5R UV-5RTP UV-5R MK2 MK3X MK5 PLUS Series Radios

Double Preparation To Escort You：This Baofeng external battery can work with original Baofeng Li-ion charger together，Ensuring You Are Always Online

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

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.

Genuine exact hubsan battery replacement: high capacity 7. 4v 2700mah lipo battery spare parts for hubsan x4 h501s h501c fpv brushless quadcopter(black&white). Original battery size: l106*w34*h16mm. Weight: 113g .

Longer flight time: to increase the flight time for two batteries(40mins). The fight time get hubsan's target 20 min.

2in1 battery charger: fast battery charger, charge 2 batteries meanwhile,less charging time. Usb port connected with computer or adapter(5v 1a-2a android or iphone adapter).

¡Ì A WIDE RANGE OF USE. It can supply power for many electronic devices and is suitable for making replacement battery packs for electronic devices.Such as handheld electric drills, emergency lighting, robot vacuum cleaners, telecars and so on. Please check the equipment's old battery packs to make sure they are SC batteries.

¡Ì EXCELLENT QUALITY. This SC battery is made of nickel and cadmium chemicals with output voltage of 1.2V and current of 2200 mAh. Sustainable use of high quality batteries.

¡Ì RECHARGABLE BATTERY. The battery has nickel cyanide chemistry and can be discharged for a long time.The Ni-Cd betteries have a high cycle life as they can be charged up to 500 times.

¡Ì A WIDE RANGE OF USE. It can supply power for many electronic devices and is suitable for making replacement battery packs for electronic devices.Such as handheld electric drills, emergency lighting, robot vacuum cleaners, telecars and so on. Please check the equipment's old battery packs to make sure they are SC batteries.

¡Ì EXCELLENT QUALITY. This SC battery is made of nickel and cadmium chemicals with output voltage of 1.2V and current of 2200 mAh. Sustainable use of high quality batteries.

¡Ì RECHARGABLE BATTERY. The battery has nickel cyanide chemistry and can be discharged for a long time.The Ni-Cd betteries have a high cycle life as they can be charged up to 500 times.

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).

★ 7.4V 2500mAh Lipo Battery Banana Connecdtor Fit for Promark P70 RC Quadcopter Drone,fit for Syma X8HC X8HW X8HG X8C X8W X8G HQ899 RC Drone Quadcopter,Fit for Vivitar Aero View DRC446 drone DRC-446 and Holy HS400 HS300 Promark P70 VR and Warrior Drone Quadcopter

★ Battery Volts:7.4V;Capacity: 2500mah,Discharger Plug:Round Banana Plug connector.Please make sure your toy use the same plug

★ Size: L94.5*W34*H17.6mm(±1mm).Weight:128G,Fit for RC Aircraft and RC Buggy

★ Size: L104*W35*H15mm.Weight:109G

★ Fit for Hubsan H501S PRO H501SS H501A H501C RC Quadcopter Drone replace battery,Hubsan H501M W H501S pro Four-axis Aircraft Aerial Camera UAV Spare PartsH501M W H501S pro Four-axis Aircraft Aerial Camera UAV Spare Parts

★ Hubsan 7.4V rechargeable battery 2700MAh Lipo battery 10C 20Wh,H501S-28 Spare parts replace battery,Battery Built-in protection mechanism ensures safe charging and use,7.4V 2700mAh Rechargeable Lipo Battery,h501s battery

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

【Indicators】- Red light on means charging; Green light on means full

【Compatibility】- Compatible with Parrot Bebop 2 drone Charger.

【Charging Time】- It takes about 100 minutes to fully charge

Replacement Balance Charging Hub 3-Ch for Hubsan ZINO H117S Pro RC Drone

Charges 3 battery channels in one go for your drone battery charging needs

Built-in Intelligent charging Protection Model against overcharge, overcurrent, overvoltage, short-circuit, overload, and overheat

Fast Charging Cord: 7.4V/2A output USB charger cable with XH-3P connector ,Quick charging your 7.SV/2S Lipo Battery in short time, Just enjoy the fun of gaming .

Upgraded Design: Upgraded XH-3P connector , fully protect the easy broken plug, make the charger cord more durable . Input: DC 5V, Output current: 7.4V 2000mA - XH-3pin,20 Inch/51cm full length

Widely Fit: Work with most of RC Car Quadcopter ,RC Boat, RC Drone,and RC Truck and 7.4V Electric Water Ball Gun with 7.4 /2S XH-3P battery, Compatible with 7.4v Electric Water Ball Gun Skytech TKKJ H1100 H101 H102 H103 H105 H106 H108 RC Boat battery; Hosim Q903 Q905 Axial SCX10;Zeee FlourenTattu Goldbat OVONIC HRB 7.4V 2S 2 Cell Li-ion or Lipo Battery ;

Traxxas 7521R - Charger AC, 350 mAh 5-Cell, NiMH

Features: AC powered wall type charger for the 5-cell battery supplied with the Latrax Rally car. LED indicator changes from red to green to indicate full charge. Fully charges battery in approximately 3.5 hours

Includes: (1) Charger

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.

KSC-25 Charger can charge KNB-35L KNB-55L KNB-57L Li-ion battery and KNB-26N KNB-56N Ni-MH battery.

Compatible with Kenwood Radio TK2140 TK2160 TK2170 TK2360 TK3140 TK3160 TK3170 TK3360 NX220 NX320.

You can charge your batteries separately or charge radio with battery installed.

MD380 7.4V 2200mAh Li-ion High Capacity Battery.

Compatible for MD-380 MD-380GPS MD-380V MD-380U MD-446 RT3 Two Way Radio.

You can charge 6 radios or batteries at the same time. Time saving and more effetive.