Best 4 V Batteries in 2026

Voltage: 3.6V, Capacity: Real 1800mAh. Dimension: L=5.6cm (2.20 inch), W=3.5cm (1.38 inch), H=1.3cm (0.51 inch)

Rechargeable and no memory effect. High capacity quality Li-ion polymer battery pack

This battery is a customized product and produced by our own factory with the best materials and production technology. Fits right in the battery slot, and you cover it with the PSP battery cover

High Capacity: 13400mAh/ 190Wh Voltage: 14.8V Battery Type: Polymer Li-ion; Providing 2 times life time of original battery. Super high capacity V Series battery for Blackmagic Ursa Mini and Epic cameras;

Compatible with cameras using standard V Mount / V Lock batteries. Compatible with: HVR-S270C PMW-EX330K PMW-EX330L, PMW-580K PMW580L, PDW-680 PDW-700 PDW-850，PMW-TD300,HDW-F900R HDW-680 HDW-800P, PMW-F55 PMW-F5,etc. Super-long lasting charge for each use and more than 500 full recharge cycles over life of the battery.

Shorter Charging Time with 3A Output D-tap Charger. Unlike other 2A output charger, our 3A charger can reduce the battery charging time. Comes with a wall plug and charger for self-charging so no extra charger is needed. Power D tap Compatible, Independent 5V/2.4A USB output, available to charge smart-phone,etc. 4-level LED indicator on the side to show remaining power.

High Capacity: 10400mAh/ 154Wh Voltage: 14.8V Battery Type: Polymer Li-ion; Providing 1.5 times life time of original battery. Super high capacity V Series battery for Blackmagic Ursa Mini and Epic cameras;

Compatible with cameras using standard V Mount / V Lock batteries. Compatible with: HVR-S270C PMW-EX330K PMW-EX330L, PMW-580K PMW580L, PDW-680 PDW-700 PDW-850，PMW-TD300,HDW-F900R HDW-680 HDW-800P, PMW-F55 PMW-F5,etc. Super-long lasting charge for each use and more than 500 full recharge cycles over life of the battery.

Shorter Charging Time with 3A Output D-tap Charger. Unlike other 2A output charger, our 3A charger can reduce the charging time. Comes with a wall plug and charger for self-charging so no extra charger is needed. Power D tap Compatible, Independent 5V/2.4A USB output, available to charge smart-phone,etc. 4-level LED indicator on the side to show remaining power.

High Capacity: 6600mAh/ 95Wh Voltage: 14.8V Battery Type: Polymer Li-ion; Providing same life time of original battery. Super high capacity V Series battery for Blackmagic Ursa Mini and Epic cameras;

Compatible with cameras using standard V Mount / V Lock batteries. Compatible with: HVR-S270C PMW-EX330K PMW-EX330L, PMW-580K PMW580L, PDW-680 PDW-700 PDW-850，PMW-TD300,HDW-F900R HDW-680 HDW-800P, PMW-F55 PMW-F5,etc. Super-long lasting charge for each use and more than 500 full recharge cycles over life of the battery.

Power D tap Compatible, Independent 5V/2.1A USB output, available to charge smart-phone,etc. The battery also comes with a wall plug and charger for self-charging,so no extra charger is needed. 4-level LED indicator on the side to show remaining power in time.

[Before Ordering A2389 Laptop Battery] Please identify the model and year of your Macbook Air 13 inch and make sure they are suitable for this battery. You could check the back of your MacBook Air to confirm the model.

[Specification of A2389 Battery] Capacity: 55Wh/4800mAh. Voltage: 11.4V. Battery Type: Li-ion Polymer. Condition: 100% New from Manufacturer. Note: 2 screwdrivers are included in the battery packaging.

[Compatible Laptop Models] Replacement for MacBook Air 13 inch A2337 MGNA3LL/A MGND3LL/A MGNE3LL/A MGN53LL/A MGN63LL/A MGN73LL/A MGN83LL/A MGN93LL/A

[Specification of A1496 Battery] Battery Type: Li-Polymer; Voltage: 7.4V; Capacity: 53.28Wh/7200mAh; 4 Cell.

[Compatibility] Made for 13 inch MacBook Air A1466 (Mid 2012, Mid 2013, Early 2014, Early 2015 and 2017 Version), A1369 (Late 2010, Mid 2011 Version), MC503LL/A, MC504LL/A, MC965LL/A, MC966LL/A, MD231LL/A, MD232LL/A, MD760LL/A, MD761LL/A, MD760LL/B, MD761LL/B, MJVE2LL/A, MJVG2LL/A, MQD32xx/A, MQD42xx/A, MQD52xx/A (See more on Product description ).

[Quality Assurance] Contain with Durable cells; Low power consumption IC design; Tested with strict quality control standards; Overcharge and Discharge Circuit Protection; CE-/FCC-/RoHS-Certified for safety.

★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.

Power Specs: Battery Type: Li-polymer Voltage: 11.1V Capacity: 5200Mah; The battery is durable and has overcurrent protection, anti-overcharge, anti-overdischarge and temperature control functions.

Compatible Models: ASUS A45 A45D A45DE A45DR A45N A45V A45VD A45VG A45VM A45VS; ASUS A55 A55A A55D A55DE A55DR A55N A55V A55VD A55VM A55VS; ASUS A75 A75A A75D A75DE A75V A75VD A75VM; ASUS K45 K45D K45DE K45DR K45N K45V K45VD K45VG K45VM K45VS; ASUS K55 K55A K55D K55DE K55DR K55N K55V K55VD K55VM K55VS

Replace for: ASUS K75 K75A K75D K75DE K75V K75VD K75VM?;ASUS R400 R400D R400DE R400DR R400N R400V R400VD R400VG R400VM R400VS; ASUS R500 R500A R500D R500DE R500DR R500N R500V R500VD R500VM R500VS?;ASUS U57 U57A U57D U57N U57V U57Vd U57Vm /?;ASUS X45 X45A X45C X45U X45V X45Vd X55 X55A X55C X55U X55V X55Vd X75 X75A X75V X75Vd

Battery type: Li-Polymer; Capacity: 56Wh; Cells:6-cell; Voltage: 10.8V;Capacity:5200mah.

High quality grade "A" cells. Charges quickly. Longer discharge time. Steady output and low power consumption. More than 500 times charge-discharge cycles.All products are Certified by CE, ROHS,UL1642,FCC for safety.

Operation time for standard batteries(6-cell, 5200mah): Around 2 hours, the actual operation time will depend on how much electricity is required by the device and how you use it. 24 x 7 email support

Make Sure Device Polarity Matches with Battery Pack Connector Before Purchase!!!-1.Battery Size; 2.Connector Model; 3.Connector Size; 4.Connector Polarity - THIS IS NOT UNIVERSAL!!! (It will cause a shortage if the polarity of the battery connector does not match your device.)

BASIC INFO—Voltage: 3.7V; Typical capacity: 1100mAh, Min capacity: 1000mAh; Weight: approximate 22g; Size: 34.5 x 51 x 6.3mm (WxLxH)

RELIABLE PERFORMANCE—No leaking, excellent cost performance and long cycle life. PCM protection function: over charge, over discharge, over current, short circuit protection, over temperature protection.

Rechargeable 7.4V 2200mAh Lithium Polymer Batteries For Heated Gloves Socks Jacket Cloths

It is recommended to recharge the batteries at least once in every six months to keep it usable (If product is not in use)

3400mWh AA Rechargeable Lithium Batteries-- 4 packs rechargeable lithium polymer aa batteries with high capacity, long-lasting, ideal for your smart home devices, outdoor surveillance systems, and daily electric devices, such as electric toy, remote controlled toy, wireless mouse or keyboard, bathroom scales, medical devices and so on.

Quick Charge in 2H-- Advanced rechargeable lithium aa aaa battery charger is charging fast, 2 hours to fully charged. It's designed with an intelligent IC which keep battery away overcurrent, overvoltage, overcharge, overheating and short circuit.

1.5 Volt Output Rechargeable AA Lithium Battery-- Constant 1.5 voltage rechargeable batteries higher than 1.2V rechargeable ni-mh batteries, more suitable for some device which need higher voltage, better performace than you thought. (Can't Use for Blink Camera Series)

High-Quality Batteries: Bring your Plantronics Wireless Headset Systems back to life with these replacement batteries from Synergy Digital. This Combo Pack is a great choice to ensure uninterrupted wireless headset communication.

Rechargeable Design: Don’t miss a call, webinar or video conference again. Synergy Digital’s 82742-01, 84598-01, 204755-01 Battery Combo Pack Compatible for Plantronics Systems automatically recharges when your headset is in the charging cradle.

Superior Performance: Made of Lithium Polymer, each 3.7 volt, 140mAh battery will last all day so you can keep your headset by your side at all times. Simply place it back in the charging cradle when leaving the house or office, or retiring for the night.

【COMPATIBLE MODELS】: ►Compatible with iPhone 7 plus (model:A1661, A1784, A1785) only, Not for iPhone 7s/7 / 7s Plus or other models. Check the model number on the back of your phone. Please kindly check your phone model on the back of your phone before purchasing.

【HIGHER CAPACITY】: ► Large capacity 5100mAh lithium polymer battery, the power is 75.8% higher than the original battery. the battery capacity has increased by 2200 mAh, which increases battery life and cycle time. New 0 Cycle battery cell capacity is upgraded to store more power, bring more standby time, increasing battery life and and reduce your recharging times.

【HIGH QUALITY and MULTI-PROTECTION for SAFETY】: ► Each battery tested under strictly quality control standards before shipping. Built-in smart chip to prevent over charging, over discharging and overheating protection, short circuit protection, high safety performance, long service life.Brand New 0 Cycle. Sustainable 1450 charging cycles. UL, FCC, CE and RoHS Certificated. No need to worry about any quality problems or safety issues after purchasing.

NOTE：Made for Apple's 15 inch MacBook Pro [A1286 Mid 2009, Early/Late 2010 versions] MC371LL/A, MC372LL/A, MC373LL/A, MC118LL/A, MB986LL/A, MB985LL/A (see compatible models)

Battery type: Li-Polymer battery; Voltage: 10.95V; Capacity: 7200mAh/79Wh; 6 Cell.

Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. 100% New from Manufacturer. Up to 600 recharge cycles over the life of the battery; CE-/FCC-/RoHS-Certified for safety.

Voltage: 3.6V, Capacity: 1800mAh

Rechargeable and no memory effect.

Fits right in the battery slot, and you cover it with the PSP battery cover

【6 Pack High-Capacity】-The AA rechargeable Ni-MH battery has a maximum power of 2600 mAh and a cycle of up to 1200+, which can supply power normally in extreme (-20-60°C) climates. It not only provides long-term stable 1.2v voltage output, but also has no memory effect and can be charged repeatedly.

【Convenient Charging】- AA batteries can be used for a long time after a single charge, and their service life is 3-5 times that of ordinary batteries, so when you find that you are constantly changing batteries for your application products, you should consider using PKCELL rechargeable NiMH batteries.

【Meet Multiple Needs】-This battery provides energy capacity at a more stable rate and is suitable for installation in remote controls, electronic scales, remote control toys, cameras, flashlights, clocks, calculators, mice, phones, headlights and other equipment.

[High Power Capacity] Maxlithium packed with 4 count 1.5V 1700mAh rechargeable AA lithium batteries. Lithium Batteries are rechargeable and reusable. Be used for high-power demand device, including Virtual Really (VR) goggles, toy cars, flashlight, camera speed-light, wireless microphone or other voltage intensive items.

[1.5V Constant Output] The lithium polymer AA rechargeable batteries constant output at 1.5V from 100% to 0% electric capacity, providing constant voltage and best performance in heavy load discharge.

[1500 Cycles Long-lasting] Maxlithium Lithium aa batteries can be recharge up to 1500cycles, 1 cycles = 1pcs disposable battery, which will replace thousand of alkaline batteries. It can save thousands of disposable batteries and your money.

✾【HIGH QUALITY, TRUSTWORTHY PREMIUM BATTERY】:This Upgraded S6 battery uses Grade A+ rated battery cells with CE and ROHS certification,ensure last over 900 charge cycles. Multiple-protection for safer operation for both user and devices,build-in microchip to prevent over-charging,over-discharging and over-heating.

✾【COMPATIBLE MODELS】:Suitable for all Galaxy S6 variants:G920F(Global), G920V(Version), G920A(AT&T), G920T(T-Mobile), G920P(Sprint) Battery replacement model: EB-BG920ABE.Not for Samsung galaxy S6 Edge/S6 Active.

✾【LONG-LASTING REPLACEMENT BATTERY】:Bring your Samsung S6's battery life back to glory and save the money of an upgrade; get from 0% to 100% power in a matter of seconds by simply swapping batteries,Matches the 48 hour standby endurance of a fully functional new OEM battery.

[High Capacity]:Packed with 4*3400 mWh AA lithium rechargeable batteries 1.5V and lcd charger（Only Can charged Deleepow lithium battery charger).

[1.5V Constant output]：The lithium polymer AA rechargeable batteries constant output at 1.5V from 100% to 0% electric capacity, providing constant voltage and best performance in heavy load discharge(Pls note: All the rechargeable lithium batteries do not support the Blink Camera Series).

[1500 Cycles Long-lasting]：Deleepow lithium aa batteries can be recharged up to 1500 cycles, which will replace thousands of alkaline batteries.

NOTE：Made for 15 inch Mac Book Pro [A1286 Core i7 versions] - (Early 2011 versions, Late 2011 versions, Mid 2012) MC721LL/A, MC723LL/A, MD035LL/A, MD318LL/A, MD322LL/A, MD103LL/A, MD104LL/A, BTO/CTO (see compatible models)

Battery type: rechargable Li-Polymer battery; Voltage:10.95V; Capacity: 7200mAh/79Wh; 6 Cell.

Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. About 600 recharge cycles over the life of the battery; CE-/FCC-/RoHS-Certified for safety.

【Compatible Models】Replacement Battery for iP 11 Pro Max(A2218 A2161 A2220) only. Battery capacity:4600mAh, Voltage: 3.79V. Please kindly check the model number on the backside of your cellphone before purchasing, make sure it fits your phone model.

【Screws Provide】Package includes: iP 11 Pro Max battery*1+ Professional repair tool kits as the photos show. A full set of screws is also included, so there is no need to worry about screw slippage issues during the battery replacement.

【High Quality Li-ploymer Battery】4600mAh higher capacity battery for the iP 11 Pro Max is made from high-quality lithium-ion polymer batteries. Advanced technology enables the battery to have a capacity of up to 4600mAh, which is more powerful than the standard 3969mAh battery and can effectively prevent overcharging, overheating protection and over-discharge. Every battery must pass a stringent inspection. Please rest assured to choose us and use it.

Brand new, high capacity quality lithium ion polymer battery pack.

Fits right in the battery slot, and you cover it with the PSP battery cover.

Voltage: 3.6V; capacity: real 1400mAh; model: PSP-S280.

PREMIUM QUALITY REPLACEMENT BATTERY: Bring your laptop back to life with Ninjabatt's high quality laptop battery - Made of high quality materials, top grade battery cells and packed with safety features.

TRUE CHARGING CAPACITY THAT LASTS: Every one of our replacement batteries are tested to meet OEM specifications. Our 3 cells Lithium Polymer battery is rated at 41.9Wh/11.55V - true charge capacity that won’t let you or your laptop down.

Compatible with the following models: : For HP Pavilion 14-CE 14-CF 14-CK 14-cm 14-DF 14-MA 14Q-CS 14Q-CY 14S-CF 14S-CR 15-CS 15-CW 15-DA 15-DB 15G-DR 15T-DA 15T-DB 17-by 17-CA Series 14-CE0000 14-CE0020TX 14-CE0025TX 14-CE0027TU 14-CE0028TX 14-CE0029TX 14-CE0030TX 14-CE0034TX 14-CE1058WM 14-CE0068ST 14-CE1056WM 14-CE0064ST 14-CE0006DX 14-CF0000 14-CM0000 14-CM0020NR 14-CM0012NR 14Q-CS0000 14Q-CS0006TU 15-CR0000 15-CR0087CL 15-CR0052OD 15-CR0055OD 15-CR0037WM 15-CR0051CL 15-CR0091MS 15-CR0010NR

Compatible with Samsung Galaxy Note 10 Plus SM-N975 SM-N975F/DS EB-BN972ABU Attention NOT FOR Samsung Galaxy S10e/ S10/ S10 Plus/ Note 10

Upgrade Battery Replacement: (Long Lasting/0 cycle) 100% New High quality updated battery for note 10 plus is made of world-class Lithium polymer battery cell, the advanced technology makes our battery capacity up to 4900mAh with the same size.

Durable and Reliable Battery : Each battery made from new high-quality Lithium polymer battery cell, connector, and PCBA. Each battery cell is tested by our staff using capacity testing tools, which can guarantee high capacity and highly efficient PCB to match original standards.

【What You Get】- 1 Pack of YOWOO 11.1V 50C 2200mAh lipo battery with XT60 plug; 1x Deans T connector; 1x User Manual; 1x Wrapped Box.

【YOWOO 3s battery 2200mAh specification】- Material: Lithium polymer; Battery voltage: 11.1V; Configuration: 3S1P; Capacity: 2200mAh; Discharge: 50C; Connector: XT60 / Deans plug; Cell voltage: 3.7~4.2V; Dimension: 105x34x24mm / 4.13*1.33*0.94inch; net weight: 168g / 0.37lb / 4.86oz.

【 High Capacity, More Powerful 】- High capacity up to 200Wh/Kg energy density, Long cycle life (150 times minimum); Advanced battery technology, doubles your devices performance time.

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.

【COMPATIBLE MODELS】: ►Compatible with iPhone 6 (model:A1586,A1589,A1549) only, Not for iPhone 6s/6 Plus or other models. Check the model number on the back of your phone. Please kindly check your phone model on the back of your phone before purchasing.p

【HIGHER CAPACITY】: ► Large capacity 3900mAh lithium polymer battery, which increases battery life and cycle time. New 0 Cycle battery cell capacity is upgraded to store more power, bring more standby time, increasing battery life and and reduce your recharging times.o

【HIGH QUALITY and MULTI-PROTECTION for SAFETY】: ► Each battery tested under strictly quality control standards before shipping. Built-in smart chip to prevent over charging, over discharging and overheating protection, short circuit protection, high safety performance, long service life.Brand New 0 Cycle. Sustainable 1450 charging cycles. UL, FCC, CE and RoHS Certificated. No need to worry about any quality problems or safety issues after purchasing.i

【POWER SPECS】 Type: PX03XL, Capacity: 4500mAh / 50Wh, Voltage: 11.1V / 11.25V / 11.4V, Battery type: Lithium-Polymer, Cells: 3-A+cell, 100% brand new. Black with Two Free Screwdrivers. We have concentrated on the laptop batteries production for more than twenty years .

【COMPATIBILITY】 HP ENVY Touchsmart M6 Sleekbook, M6-K Series, m6-k010dx m6-k022dx m6-k015dx m6k015dx m6-k025dx m6-k125dx m6-k088ca m6-k002tx m6-k122dx m6-k012dx m6-k054ca m6-k001xx m6-k026dx m6-k054ca m6-k058ca K002TX K022DX K025DX K010DX K012DX K015DX K122DX K125DX, HP ENVY TouchSmart 14 Sleekbook, 14-k100 Series 14-k112nr, P/N: PX03XL 715050-001 714762-1C1 HSTNN-LB4P TPN-C109 TPN- C110 TPN-C111 714762-422 714762-2c1 714762-421 A32-K56 Envy 14 Touchsmart SleekBook; Envy 14 Series; Envy 14 Ultrabook Series .

【Compatible for HP】 ENVY TouchSmart 14 Sleekbook, 14-k100 Series 14-k112nr k000 14-k001tx 14-k001xx 14-k002tx 14-k003tx 14-k004tx 14-k004tx 14-k005tx 14-k005tx 14-k010us 14-k012tx 14-k020us 14 -k022tx 14-k023tx 14-k024tx 14-k025tx 14-k028tx 14-k029tx 14-k035tx 14-k039tx 14-k042tx 14-k044tx 14-k045tx 14-k046tx 14-k047tx 14-k074ca 14-k100eo 14-k107tx 14-k110eo 14-k110nr 14-k110tx 14-k111nr 14-k112nr 14-k112tx 14-k118tx 14-k119tx 14-k120us 14-k124tx 14-k126tx 14-k127tx 14-k134tu .