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

🔋【2 Pcs RC Car Batter】3.7V 500mAh Li-Ion Rechargeable Battery for Double Sided Flip Rc Stunt Car RC Trucks Small RC Boat (suitable for most RC Stunt cars, also suitable for DE35 DE38 DE40 DE50 etc, you can refer to your battery when buying Is it the same as our battery interface)

🔋 【Battery Specifications】 The battery voltage is 3.7V, 500mAh, L*W*H 3.93*3.14*1.96 inches, Batery Weight: 18.56g / 0.65oz

🔋【High Performance 3.7V Rechargeable Battery】 An accessory battery specially designed for high-performance RC car enthusiasts, you can use power bank, car power, computer, etc. to charge the battery

★Application: URGENEX 1800mAh 2s 7.4V lipo batteries campatibal with most 1/10, 1/16 scale Remote Control RC Cars Trucks. Such as RC Car, RC Buggy, RC Truck, RC Truggy WLtoys Rc Cars A969-B A979-B K929-B 12401 12402 12403 12404 12423 12428 series, Axial, Redcat Racing, Exceed RC, Emaxx, Bandit, Rustler version, Racing Truck,etc (Only if the voltage, dimension and the plug match fit, then it will fit).

★Parameters: Dimensions: 70*34*17mm/2.75*1.4*0.66in(L*W*H); Approx weight: 90g/3.17oz. Material: Lithium Polymer; Battery Voltage: 7.4V; Configuration: 2S1P; Cell voltage: 3.2~4.2V; Capacity: 1800mAh; Discharge Rate: 35C; Connector: Deans T Plug.

★More Power &Long cycle life: URGENEX lipo battery rechargeable pack is ready to deliver the power for you anytime, anywhere. URGENEX RC battery pack delivers a discharge rate to push your RC car run time to the peak of its abilities. Our Advanced Lipo battery with uniquely designed will recycle at least 500 times.

ROBUST BATTERY CAPACITY: The Venom 20C 2S 4000mAh 7.4V Lithium Polymer Battery boasts a powerful high-discharge rate and energy density. This battery has been tested to be compatible with various remote-controlled vehicles, buggies, heli, jets, airplanes and quads to execute next-level action.

ADVANCED PERFORMANCE: If you're looking for a battery combo that fuses power and reliable technology, try our 4000mAh 7.4V LiPo battery pack. With a built-in LiPo Balance and XT60 connector, these batteries ensure your high-powered devices are up and running for extended racing and sport excursions.

HIGH DISCHARGE LIPO BATTERY: This 7.4-volt battery packs a forceful 20C C-Rating to give you all the punch you need to tackle the track at full-throttle performance. Using Lithium Polymer technology, the battery uses select materials for improved performance, safety, and life cycle.

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.

Single weight: 27.4g ;Battery size: 54x 29 x9mm

Fast smart mini charger can charge 5 at the same time

Cool the battery before the next flight or charge. For the SYMA X5SC X5SW X5SC-1 RC four-axis helicopter

★ Size:L3.93*W2.24*H0.59 inch (L100*W57*H15mm);Weight:150 gram

★ Volt: 9.6V;Capicaty :700Mah;Discharger Plug:Standard Tamiya Connector Plug

★ Fit for Robot, remote control toy,rc Truck,emergency lights,power tools,camera,MP3 / MP4, walkman, medical equipment ect

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.

Specific Parameters: Dimensions: 68*18mm/ 2.67*0.7inch; Weight: 51.2g(per unit); Capacity: Real 2000mAh; Volt: 3.7V. Plug: SM-2P. Discharge Rate: 15C.

Wide Applications: VICMILE 2000mAh 3.7V li-ion batteries compatible with DEERC DE45 DE42 (Only if the voltage, dimension and the plug match, then it will fit).

Ultra Safe: Our high technology enables quick & constant charging at anytime, and no cell memory effect so that you do not need to full discharge before recharging.

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.

3.7V 1200mAh Rechargeable Li-ion battery: Connector SM SM-2P ,Voltage3.7V, Capacity:1200mAh, Battery Size 65 * 20 * 20mm/2.6 * 0.79 * 0.79inch, Weight:40g ,Lightweight and portable battery pack (Please make sure your RC car or other RC toys original battery same as ours,especially Connect)

Rechargeable Battery with USB Charging Cable: Everywhere You will Charge It. You can charge the battery on power bank, vehicle power, or computer, charger cable is great for MOST of the 3.7v batteries but not all. Check the printed limits on the chargers of different toys so the numbers match the charger that came with the toy

Perfect Replacement Battery: When your original battery is damaged or old, it can be a good replacement. You can also use it as a spare battery, when you play with toys, which allows you to enjoy longer action time(Please make sure your device battery is the same size and connector as the picture shows before you buy it)

Specifications: Dimensions: 70*37*18mm/2.75*1.45*0.7inch; Weight: 93.5g/3.3ozoz(per unit); High Capacity: 2000mAh; Volt: 7.4V. Discharge: 15C. Discharge Plug: SM 2P Plug. (Only if the voltage, dimension and the plug match, then it will fit).

Wide Application: VICMILE 2000mAh high capacity Li-ion batteries fit for MN D90/91, MN 99/99s RC cars and Skytech Model H101 Model H103 Model H105 remote control RC boats with SM 2P Plug.

High Capacity & More Power: 2000mAh high capacity battery pack delivers power when you need it. VICMILE RC battery pack delivers a discharge rate to push your RC car run time to the peak of its abilities.

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,.

【High Performance】- 6V 1700mAh NiMH battery can up to 86Wh/kg energy density, pushing your RC receiver to the top of its capabilities instantly. Rapidly charge up and long runtime.

【Specification】- Voltage: 6V; Capacity: 1700mAh; Discharge Plug: BBL2 Connector. Fully compatible with the original and standard charger. Made with 5 x AA high quality cells, NiMH rechargeable battery is weld constructed to prevent heat damage to the cell with a 22 AWG silicone flexible wire.

【Parameter】- Nimh Battery Dimension(±2mm): 50.8*31.7*31.5mm/2*1.25*1.24inch(L*H*W); Approx Weight: 118g/4.16oz. FCONEGY battery are comply with RoHS, CE, MSDS, UN38.3 standard.

ROBUST BATTERY CAPACITY: The Venom 30C 3S 3200mAh 11.1V Lithium Polymer Battery boasts a powerful high-discharge rate and energy density. This battery has been tested to be compatible with various remote-controlled heli, jets, and airplanes to execute next-level action.

ADVANCED PERFORMANCE: If you're looking for a battery combo that fuses power and reliable technology, try our 3200mAh 11.1V LiPo battery pack. With a built-in LiPo Balance and XT60 connector, these batteries ensure your high-powered devices are up and running for extended racing and sport excursions.

HIGH DISCHARGE LIPO BATTERY: This 11.1-volt battery packs a forceful 30C C-Rating to give you all the punch you need to tackle the track at full-throttle performance. Using Lithium Polymer technology, the battery uses select materials for improved performance, safety, and life cycle.

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

Contents: 6V 800mAH Nickel-Cadmium Battery* 1, Charging Cable* 1

Apply to BEZGAR 17 & BEZGAR 18

Original spare part, 100% applicable.

Suit for Flysky FS-GT5 Remote Controller.

2S 7.4V 1500mAh powerful capacity, long working time.

High quality, ensure a longer service life.

To ensure more flight time, high rate of polymer rechargeable batteriesSea jump fast smart mini charger can charge 5 (3.7V battery)

Fast smart mini charger can charge 5 (3.7V battery)

Cool the battery before the next flight or charge. Only for Syma X5HW X5HC RC four-axis helicopters

7.4V 40C 600mAh Lipo Rechargeable Battery. Deans T Connector Plug. Battery fit for Bezgar HM162 1:16 scale and 9145 1:20 scale high speed Remote Control Truck RC Cars. 100mah more than the original Li-ion battery 500mah, which means longer play time

7.4V 600mAh Lipo battery fit for YONCHER YC100 1/20 Remote Control Truck, FLYHAL 9135 Pro 30+MPH 1:16 Scale Remote Control Car RC Cars, BEZGAR 5 Hobby Grade 1:20 Scale 4WD 30KMH Remote Control Truck.

Battery Dimensions: 2.13*1.10*0.50 inch /54*30*12mm (L*W*H), one battery weight:42g/1.5oz.

Lithium Battery for R208 R308 2008 R206 RC Remote Control Boat

Small internal resistance, good for rate charge and discharge, high efficiency output performance.

Main protection function：Over charge，Short circuit protection and equilibrium.

Hamdol Remote Control Car Battery Charger

The package included: 1pcs USB Charging Cable.

Suit for Hamdol Remote Control Car and other similar RC toys.(Need 3.7V 500mAh battery)

For BLLRC L100 RC Boat Accessories HONGXUNJIE HJ808 Rremote Control Speed Boat

Li-Po battery has good safety performance, lighter weight, large capacity, small thickness, small internal resistance, good discharge characteristics.

Lithium battery protection: overcharge protection, overdischarge protection, discharge overcurrent protection, discharge short circuit protection.

For SP650 Aerial Photography UAV Drone Spare Parts Remote Control Helicopter Battery

Cool down the battery before your next flight or recharge；Light weight and easy to carry, put in your pocket when flying drone outdoors.

The internal battery protection device installed, the user has to protect the safety, you can rest assured that the use of the item

6V 900mAh AA Ni-CD Rechargeable Battery With Red JST Plug, Battery dimensions: L70*W50*H14.5mm/2.8*1.97*0.57 inch.

fit for new version Fisca Blomiky KKNY TEMA1985 Huina 540 1540 6 Channel 2.4G RC dump truck 4 Wheel Driver Mine Construction Alloy Metal Vehicle Truck

fit for new version Cradream Fisca Blomiky KKNY Huina 520 1520 TopRace 6 Channel Full Functional Front Loader 6 Channel RC Bulldozer.

For Hubsan X4 H107 H107C H107L RC Quadcopter,Syma X11 X11C HS170 HS170C F180C HS170G E016H E016F.

Longer Flight Time:Real Capacity 3.7V 380mAh Rechargeable Lipo battery,guarantee more flight time,high drain lithium-polymer rechargable battery,with built in protection IC.

Over charging protection and Short circuit protection.

5 pairs of high quality male and female XT60 connectors suitable for remote control lithium battery aircraft, multi-rotor quadcopters, cars, etc ,rc xt60 connector

Xt-60 Plug Connector 65A provides a robust high amp connection ideal for applications up to and beyond 65A constant current,

XT60 Male Female Lithium Battery Connector,Made of high temperature nylon and gold-plated bullet connectors, non-slip, waterproof, durable, easy to plug and unplug With heat shrink tube 10 pieces

The item suit for E016H E016F Hubsan X4 H107 H107C H107D H108 H107L V252 JXD385, F180C, UDI U816A, H6C RC Drone

High quality and 100% new product

The product is as good as the original one, specially designed for Hubsan X4 H107 H107C H107D H108 H107L V252 JXD385, F180C, UDI U816A, JJRC H6C RC Drone

★ Size: L66*W37*H18mm.Weight:95g.Capacity:1500mAh.Volt: 7.4V,15C discharge

★ 7.4V 1500mAh Li-ion rechargeable battery for HONGXUNJIE HJ806 RC boat 2.4GHz 35km/h Fast Portable Remote Control Speedboat

★ Battery Plug:Standard Tamiya Connector,one hole is half circle,another hole is square.Please make sure your boat battery size and connector plug is same as the picture shows

For Udirc UDI010 Brushless Motor High Speed Remote Control Boat Accessories XT60 Interface RC off-road Vehicle

Guarantee more flight time, high drain lithium-polymer rechargable battery.

The internal battery protection device installed, the user has to protect the safety, you can rest assured that the use of the item