Best 4 V Batteries in 2026

Replacement battery pack cover for xbox360 wireless controllers,change the old or useless battery pack cover

Replacing your lost or damaged xbox 360 controller battery case,save money to buy new controllers

Make your controller looks brand new again with this battery pack

🔋 Essential Backup Battery: With longer battery life, you would get a great using experience with your 5R Series radio.

🔋 Original Pack for 5R's Radio: Compatible with Baofeng UV-5R / UV-5R Plus / UV-5RTP / UV-5G(UV-5X) / UV-5X3 / 5RX3 / BF-F8HP Two-way Radio. If you want to get 2 Pack, you can search ASIN: B07K8QYJQD.

🔋 Safety Ensured, Effective Protection: Over-charge, over-discharge, over-heat, over-current and amp; short-circuit protection.

Replacement battery pack for xbox360 controllers,change the old or useless battery pack

Replacing your lost or damaged xbox 360 wireless controller battery case,save money to buy new controllers

Make your controller looks brand new again with this battery cover

Non-OEM, Compatible with Xbox 360 wireless controller

Easy to install, quantity: 10 pack

Compatible batteries: 2 x AA (NOT included)

Brand new, made of high quality and durable plastic.

This battery cover shell is designed for a perfect fit.

Replaces your broken or lost battery case, and you can fully enjoy playing game.

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

For sale is 19 in 1 rc multifunction balance charging cable,perfect fit for RC Lipo Charging.Suitable for RC airplane, rc quadcopter and rc car/Truck or RC boat battery charging and methanol engine ignition rods charging.

Output Plug: Tamiya-Plug, Mini Tamiya-Plug, Glow Ignitor, EC3, EC5, XT60,JR TX, JST,Deans Ultra-type, Mini Deans Ultra-type, mCPX, mCX, Spektrum TX,Futaba TX, Anderson Power Poles, Futaba JR servo Plug, HXT 4mm and DIY Bare Wire（Check the picture#2 for details）

Input Plug:4mm gold plate plug

★【Power Specifications】: Dimension - 2.2 * 1.4 * 0.7 inches (55 * 35 * 17mm), Light Weight - 0.22 oz(6g), Brand new, made of high quality and durable ABS plastic.

★ 【Product Compatibility】: Replacement for Xbox 360 Wireless controller, perfect fit to replace damaged or lost battery Pack.

★【Exact Fit】:The design of replacement battery pack cover is suitable for your device without modification, this battery back cover can hold the battery in place and prevent it from falling, safe to use

【NOTICE！！】 Different airsoft gun have different battery magazine , so when you choose battery, the first thing is to confirm the battery demention and plug

【Demention】about 110*18*18mm

【Plug】 discharge----SM2P (black) charging---- XH-4P (white)

Battery hold-down plate (black)

Includes metal posts (2)/body clips (2)

Replaces worn or damaged parts

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.

★ 【Product Compatible】:Specially Made for Xbox 360. Ideal quality replacement or backup Battery for your Xbox 360.

★ 【Smart Charging】:Intelligent IC chip inside recognizes a fully charged battery and automatically switches to a saver. against Over-Heated/Over-Current/Over-Voltage/Short-Circuit

★【LED Indicator】: Simply plug and play, no additional setup required. The Charger is with LED light indicator. Let you know the batteries charging status at any time.Green (fully charged), red (charging)

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.

🎮SIMPLE BUT POWERFUL🎮Control and navigate the Xbox system (Xbox One/Xbox One S/Xbox One X/Xbox Series S/Xbox Series X), TV, Blu-ray and apps at the touch of a button via a traditional & compact remote with soft rubberized texture

🎮SECURE BATTERY COVER🎮It’s attached firmly on the remote with the improved hook design to avoid the sliding off issue

🎮PRESS BUTTONS ANYTIME EASIER🎮Motion activated backlighting helps you locate buttons in the dark

COMPATIBILITY - Replacement for Xbox Series X / Xbox Series S controller, perfect fit to replace damaged or lost battery door.

CONTENT - 4 pack of Xbox Series X / Xbox Series S Battery back shell（2 black & 2 white).

PERFECT FIT - Exact fit Batteryback Cover without any flaws.

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,.

Blu-ray dvd player, automotive grade

Single din.Front IR window for direct remote control operation

hdmi output in back

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).

Battery discharge plug:SM-2P black 2 pin, 5 AA NiMH Battery pack,6.0V. make sure your device battery is same plug and same size and same voltage.

Real battery capacity 6V 2400mAh Battery, 3 times working time than other 700mah battery,Package include: 1 * 6V 2400mAh NiMH Battery and 1 * USB Charger Cable.

Incredible Performance- High capacity of 2400mAh battery pack 6V of power, can be rapidly charged so that you spend more time with your hobbies. The long runtime makes this an ideal hobby battery pack for better longevity.

-【Good Materials】: XT90 connectors use high temperature nylon material, Xt 90 connector Male Female plug replace USB connectors and Deans Connectors, tight connection, easy to connect and disconnect. Not easy to generate heat and have long performance life.

-【5 Pairs Durable Male and Female XT90 Connectors】: 5 Pairs XT90 connectors thickened dependable female side terminals with the strength needed,very easy to solder, Pos/neg is clearly labeled.

-【5mm Heat Shrink Red and Black Included】: Xt90 connectors come with individual heat shrink Tubes in package.

Attention:This is battery compartment shell only, batteries are not included.

Making your controller refresh again with this replacement battery cover

Super easy to install and holds 2 x AA batteries (NOT included)

Makes your controller looks brand new again with this battery cover

Non-OEM, Compatible with Xbox 360 wireless controller

Easy to install, quantity: 10 pack

HQRP® Rechargeable Battery;

Battery Voltage: 12V; Capacity: 2200 mAh; Ni-Mh;

Сompatible with Original Battery;

Replacement battery for KENWOOD Two-Way Radio models KNB-15, KNB-15A

Integrated microchip prevents overcharging & lengthens battery life

Voltage: 7.5v, Capacity: 1800 mAh, Battery Type: Ni-MH

Widely used for RC Replacement for Nitro Car,Working volts: 4.8V-6V

High upgrade parts for your model car

Prevents accidents by detection low battery voltage, low radio battery voltage, no radio signal, and signal interference.

Material: made with the high quality materials.

Brand New,100% compatibility with the original

Charging at any time will have no effect on the battery

Compatible with Dewalt 20V Max Lithium-Ion Batteries DCB SERIES DCB606 DCB206 DCB205 DCB206 DCB204 DCB203 DCB200 DCB201 and more. Converting your battery into DIY Rc Car Toys, Robotics and Rc Truck power supply.

Equipped with 30Amp fuse protects the battery equipment from being damaged by excessive power. Waterproof fuse holder rubber cap fits on tightly to protect blade fuse inside. High quality silicone copper wire improves the conductivity and safety, heat-resistance 12 AWG wire is suitable for high-power applications.

Easy to use, only need to move the power adapter into the groove, then push converter and make sure it has locked the battery. If you want to remove the adaptor from the battery, please press down the buckle of the battery, then remove it. On/Off swith to contral the battery easily.

HQRP® Two-way Radio Ni-MH Battery;

Capacity: 1500mAh High Capacity;

Voltage: 7.2v; Color: Black; Chemistry: Ni-MH;

【NOTICE！！】 Different airsoft gun have different battery magazine , so when you choose battery, the first thing is to confirm the battery demention and plug

【Demention】about 49*15*10 mm

【Plug】 discharge----SM2P (black) charging---- XH-3P (white)

Brand New – We guarantee you will receive a brand new, unused battery easily making this a smart buy.

Battery Specs – The capacity is 7.2v 2100mAh, utilizes Ni-Mh technology, and the color is Black.

Reliability Defined - ExpertPower products are tested to match and/or exceed OEM specs.