Best 4 V Batteries in 2026
Daisy
Last Updated: Feb 8, 2026
Daisy
Last Updated: Feb 8, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Melasta Corporation Limited | 9.82 | ✅ | ✅ | ✅ |
Parameter: 8.4V,2/3A x 8 Cells,Stick NIMH Battery Pack
Connector: Mini Tamiya Female connector assembled with 16 AWG wire
Melasta NiMH technology: No cell memory effect
Standard Dimension: Diameter 20.6mm and Length 200mm
Warranty: 35- DAY return policy and 1 Year warranty
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Melasta Corporation Limited | 9.81 | ✅ | ✅ | ✅ |
High Capacity: 4200mAh battery deliver extended runtime and improved performance for Redcat rc cars, trucks. Enjoy longer playtime on every charge. (2 Pack included in the box)
High Power: 7.2V power cell with 10C discharge rate provides 42 Amps of max discharge current, pushing your RC cars to the peak in speed and acceleration.
Compatibility: NiMH battery compatible with Banana Connector, work flawlessly compatible with redcat racing 1/10 scale or 1/8 scale rc vehicles such as Blackout SC, Blackout xbe, Blackout XTE, Everest Gen7 Pro, everest-10, fossa SC10, ground Pounder, Lightning ep drift, Lightning stk, Lightning str, Sandstorm, Thunder EPX drift, and volcano EPX/EPX Pro and more models.
No Memory Effect: Recharge your batteries to its’ full capacity at anytime, No full discharge needed before recharging.
Charging Instruction: Standard charge at 420mA(0.1c) for 10-13 hours, rapid charge at 2100mA (0.5c) for 2 -3 hours. We recommend using the Melasta RC charger to extend battery life and reduce the risk of damage caused by excessive current during charging.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Melasta Corporation Limited | 9.81 | ✅ | ✅ | ✅ |
Perfect fits as a replacement: 6V 2000mah nimh rc transmitter and receiver and battery pack works great for RC airplanes and RC helicopters receivers, such as for Hitec, Futaba, JR, and many more models.
Premium nimh cells & decent price: Adopted premium nimh cells, more durable and Longevity, melasta battery cells have passed CE,MSDS ,RoHS certification, compared to local hobby store at a decent price. An adapter cable as a gift, if you have a for tamiya rc charger, this will be help you to reduce extra payments.
Much longer running time than original Nicd battery：Compared to original Nicd 700mAh, melasta 2000mAh high capacity transmitter battery provides more power.
Eco-friendly nimh Material vs nicd battery: NiCd contains toxic materials while NiMH doesn’t, so nimh battery is a best choice , nimh cells have no memory effect.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Melasta Corporation Limited | 9.80 | ✅ | ✅ | ✅ |
100% Brand new Li-ion rechargeable battery (3000mAh, 7.2V,21.6Wh,Li-ion).
Great Compatible with Sony Camcorder NP-QM70 QM71D NP-FM50 NP-FM30 NP-FM70 NP-FM71 NP-FM90 camera and etc.
Product safety is our top concern our batteries come with standard overvoltage and overheating protection.
CE Certified.No memory effect.
All Melasta branded items carry a 1 year warranty against manufacturer defects.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Melasta Corporation Limited | 9.82 | ✅ | ✅ | ✅ |
MAKE AIRSOFT GUNS MORE POWERFUL — Melasta 8.4v 1600mAh nimh nunchuck battery have the predominance of high capacity, rechargeable, powerful, fast acceleration and eco-friendly. 1600mAh high-capacity batteries give you more experience time.
RECHARGEABLE NIMH BATTERY — A good battery that can be re-charged periodically is important for air guns hobbyists, Melasta Batteries give your airsoft guns a high level of performance.
WORK PERFECTLY WITH — Perfectly work with models of airsoft guns like M4, G36C, M4A1-RIS, M4A1, CAR15, MP5A5, MC51, FNP90, AUGRT, AUGM, G3A4, G36 and STEYR, and others. For upgraded and/or modified AEGs, we recommend measuring the gun compartment for best fit.
PLEASE CONFIRM THE BATTERY SIZE — Note: In order to make sure the battery is compatible with your airsoft guns, please check your original battery size of your airsoft guns before you ordered it! Electric airsoft battery 0.79''(Diameter）x 3.47''(L）; 0.79''(Diameter）x 4.54''(L）What you get: 2*Melasta 8.4V 1600mah Ni-MH Airsoft Gun Battery. melasta battery 8.4V nimh battery have passed CE, UL certificate.
100% SATISFACTION GUARANTEE — 35 money back, 1 year Warranty, Please feel free to contact us for any questions, we will try our best to solve the problem for you.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Melasta Corporation Limited | 9.81 | ✅ | ✅ | ✅ |
Compatibility: NiMH battery Compatible with Banana Connector / HXT 4.0mm plug, compatible with Blackout SC, Blackout xbe, Blackout XTE, Everest Gen7 Pro, everest-10, fossa SC10, ground Pounder, Lightning ep drift, Lightning stk, Lightning str, Sandstorm, Thunder EPX drift, and volcano EPX/EPX Pro.
High Capacity: 6-Cell 5000mAh battery delivers extended runtime and improved performance for Redcat rc cars, trucks.
High Power: 7.2V power cell with 10C discharge rate provides 50 Amps of max discharge current, pushing your RC cars to the peak in speed and acceleration.
No Memory Effect: Recharge your batteries to its’ full capacity at anytime, No full discharge needed before recharging.
Charging Method: Charge at 0.1C rate for 10 hours, or charge at 0.5C rate for 2 hours. Note: Please charge the battery in strict accordance with above methods to avoid damage caused by excessive current during charging. And do not reverse the positive/ negative of the battery.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Melasta Corporation Limited | 9.81 | ✅ | ✅ | ✅ |
3500mWh High Capacity: Higher power capacity than most batteries of the same kind, brings more operating time for power hungry devices, lets you spend less time on recharging and switching batteries.
1.5V Constant Voltage: Higher voltage than regular 1.2V batteries makes it ideal for voltage sensitive devices. 1.5V constant output from the beginning to the end of every discharging cycle, guarantee high performance for devices that requires a steady connection, such as VR controllers, wireless game controllers and other critical devices.
Fast Charging USB Charger: Designed specifically for Melasta Li-ion battery, can charge up 4 AA or AAA batteries in just 2-2.5 hours. Has a standard USB power input that can connect with any USB wall charger, power bank, laptop and desktop PCs. Note: 5V 2A power supply required.
Superiority in Longevity: Made with premium Li-ion cells, these batteries can be recharged for up to 1000 times making it sustainable for years of use.
Integrated Protection: Built in with safety protection chip that regulates battery voltage and current to avoid possible malfunction caused by short circuit, over-charge or discharge, over-voltage and over-heating.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Melasta Corporation Limited | 9.82 | ✅ | ✅ | ✅ |
Parameter:Voltage: 8.4v,Capacity: 4200mAh,Battery Type: Nickel Metal Hydride (NiMH)
Structure: built with 7 MELASTA Racing Cells
Compatible with: popular standard 8.4V RC cars which Compatible with Tamiya Discharge Plug
Standard Dimension: 140 x 46.8 x 44.5(Hump Hight)mm / 5.51 x 1.84 x 1.75 inch
Warranty: 35- DAY return policy and 1 Year warranty
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Melasta Corporation Limited | 9.81 | ✅ | ✅ | ✅ |
Three output ports battery pack: DC 12V 9V and 5V USB output designed lithium rechargeable battery pack. The Voltage range of the 12V output port is 12.6-9V, it is not constant, compatible with most 12 volt devices. The 9V and 5V is constant. There are 4 LED indicators to let you know the charging and discharging status.
What will you get: 1* 12V 6000mAh rechargeable Battery Pack (5V port can using as power bank), 1* DC5525 male cable for 12V output port, 1* DC4017 male cable for 9V output port, and 1* User Manual. ★Please confirm the size of the input port on your device before purchasing. ★★Please note that the Charger is Not Included. It suitable using the 12.6V/1.5A DC/AC Charger to Charge.)
Widely Compatible: 12v portable power pack compatible with wide range of 12V/9V/5V devices. Such as LED Strip, CCTV Camera, electronic organ, Car DVR, speaker, Optical Network Unit, MP3 Player, router, small Bluetooth Amp, electric scooter 12V turn signals, Walkie-Talkies, Portable DVDs, Digital Cameras, binoculars, robotic telescopes etc.
Safe and Easy to Use: The BMS system built-in can protect battery from over-charged/discharge, short circuit, over-voltage. ★ Please be sure to turn on the switch of the battery (at position "-") for charging. If not, it will not charge. Melasta provides 35 days refund and 1 year warranty. Any questions, please get support.
9V DC output suitable for Guitar Multi-Effects Pedal Processor and more. ★Please note our battery DC port is inner Positive(+), outer Negative(-). But most guitar pedal input port is inner Negative(-), outer Positive(+). If you want to use this battery to power the guitar pedal, you must need a reversed polarity cable to connect the pedal with our battery, or will damage the guitar pedal. Our package not include this reversed polarity cable.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Nastima USA | 9.87 | ✅ | ✅ | ✅ |
Parameters: 14.8V 4S 2200mah Lipo battery 4 Cells, Discharge Rate: 50C; Charge Plug: JST-XH; Discharge Plug: XT60 Connector.
Long Cycle Life: 150 times minimum, up to 200Wh/kg energy density.Superior Japan and Korea Lithium Polymer raw materials: the Anode is made with 100% Co,Korea imported separator,Japan imported aluminum laminate film,High energy electrolyte.,doubles your devices performance time.
Battery Dimension(Size): 108*34*29mm/4.25*1.34*1.14 inch; Battery Weight: 0.25kg/8.82once. Ultra-sonically welded cell tabs and balancing wire connections
Compatible: RC Helicopter, RC Boat, RC Car/Truck, RC Evader BX Car, RC Truggy RC Airplane UAV Drone FPV, such as Skylark M4-FPV250, Mini Shredder 200, Vortex, Emax Nighthawk 250, 400mm X-Sled (only if the voltage, dimension and the plug match, then it will fit).
100% Satisfaction: You will be 100% satisfied or we'll give you 35 days moeny back, 1 year Warranty. If your have any problem,please contact us through Amazon, 24 hours help you solve the problem!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Melasta Corporation Limited | 9.81 | ✅ | ✅ | ✅ |
Ultra High Capacity: 6-Cell 5000mAh battery delivers extended runtime and improved performance for your RC cars, trucks.
Higher Discharge Rate: 7.2V premium power cells with 10C discharge rate provides 50 Amps of max discharge current which no other NiMH battery can match, pushing your RC cars to the peak in speed and acceleration.
Compatible with Standard Tamiya plug: Works with RC cars, trucks, boats, tanks of most mainstream RC brands such as Compatible with LOSI, Team Associated, HPI, Compatible with Tamiya and more. Demensions: 137*47.65*24.44mm /5.38*1.88*0.86inch.
No Memory Effect: Recharge your batteries to its’ full capacity at anytime, no need to full discharge the battery before recharging.
Reliable Service: All Melasta battery comes with 45-day money back and 1 year product warranty. Our knowledgeable support team is always ready to provide the assitance you need.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Melasta | 11 |
We've carried out a comprehensive analysis of 1,526 reviews on batteries, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select batteries priced around $31.72, with top brands including and
Our team of expert editors reviewed these high-quality items and handpicked the top 11 batteries for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .
We are dedicated to assisting our users in finding the right batteries Products based on their needs, saving them considerable time when choosing which batteries to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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