Best 4 V Batteries in 2026

Daisy
Last Updated: Feb 7, 2026

At a Glance: Our Top Picks for 4 V Batteries

807956-001 HS03 Replacement Laptop Battery for HP Pavilion 15-AC 15-AF 15-BA 15-AY Series 15-ac121dx 15-ac130ds 15-ba079dx 15-ba009dx 15-ba113cl 15-af113cl 15-af131ca 15-af112nr 15-af093ng 15-af087nw
#TOP1
807956-001 Hs03 Replacement Laptop Battery For Hp Pavilion
9.8
PM SCORE
DTK Battery Replacement for Dyson V7 SV11 Handheld Vacuum Cleaner 21.6V 5000mAh Motorhead Pro Trigger Animal Car+Boat Absolute Fluffy Mattress Extra [ONLY Fit for V7 SV11 Series]
#TOP2
Dtk Battery Replacement For Dyson V7 Sv11 Handheld
9.6
PM SCORE
TATTU 9.6V Airsoft Battery 1600mAh NiMH Flat Battery Pack with Mini Tamiya Connector, NiMH Airsoft Battery for Airsoft Guns YMA MP5 RIS AEG,HK G36C, AK-47 and so on
#TOP3
Tattu 9.6V Airsoft Battery 1600Mah Nimh Flat Battery
9.2
PM SCORE

* 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.

Summary of the Best 4 V Batteries of 2026

807956-001 Hs03 Replacement Laptop Battery For Hp Pavilion 15-Ac 15-Af 15-Ba 15-Ay Series 15-Ac121Dx 15-Ac130Ds 15-Ba079Dx 15-Ba009Dx 15-Ba113Cl 15-Af113Cl 15-Af131Ca 15-Af112Nr 15-Af093Ng 15-Af087Nw

NATNO
HS04
10.80 X 0.80 X 0.60 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Natno 9.84

Features

Battery type: Li-ion / Capacity: 40Wh, 2800mAh(Better than 2200mAh) / Voltage: 14.6 V (14.4V&14.8V also compatible,but NOT COMPATIBLE with other version 11.1V or 10.85V.Please check your original battery volatge)

Compatible Model:HP Pavilion Notebook 14 15 17 Series 15-ac / 15-af / 15-ay / 15-ba / 15g-ad / 15q-aj / 14-ac / 14-af / 14-am / 14-ad / 14q-aj / 17-x / 17-y ; HP 240 G4 / 245 G4 / 246 G4 / 250 G4 / 255 G4 / 256 G4 Series

Compatible P/N: HS04 / HS03 / 807956-001 / 807957-001 / HSTNN-LB6U / HSTNN-LB6V / 807612-421 / 807612-831 / HS03031-CL / HS04041-CL / N2L85AA / 807611-131 / 807611-141 / 807611-421

100% Brand NEW replacement / CE,FCC,RoHS Certified for Safety Built-in short circuit Protection, overcharge and discharge protection, over voltage protection ensures both safety and stability

If you are not satisfied with the purchase, please feel free to contact NATNO customer service and we will try our best to solve your problem.

Dtk Battery Replacement For Dyson V7 Sv11 Handheld Vacuum Cleaner 21.6V 5000Mah Motorhead Pro Trigger Animal Car+Boat Absolute Fluffy Mattress Extra [Only Fit For V7 Sv11 Series]

DTK
V7
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
D T K 9.80

Features

[Battery specifications]: Capacity: 5000 mAh, voltage: 21.6 V. Battery type: Replacement lithium-ion battery. DTK battery size and function completely match the original battery. Vacuum cleaner battery, Vacuum cleaner accessories.

[Perfect Compatibility]: 100% compatible with Dyson V7 Absolute / Fluffy / Animal / Animal Pro + / Car + Boat / Allergy / Motorhead / Motorhead Pro / Mattress / Wireless / Trigger / Trigger with HEPA / Extra / HEPA, etc. SV11 / 968670/229687 It also fits the original docking station and charger.

[Ultra high capacity]: Improved 5.0Ah battery, higher capacity than other 2.0Ah batteries, super suction power, longer dusting time.

[Safe and Stable]: Overload protection, over current protection, short circuit protection, high temperature protection, to make sure you can use the vacuum cleaner safely.

[What You Get, Customer Service]: DTK V7 Replacement Battery, Battery Cover, Manual. 30-day money back and 12-month limited warranty. CONTACT US: Please contact through "Your Orders" tab in Amazon account (allow 24hrs for reply), we will give you the most satisfactory solution. With DTK batteries you can clean household hygiene better.

#TOP3

Tattu 9.6V Airsoft Battery 1600Mah Nimh Flat Battery Pack With Mini Tamiya Connector, Nimh Airsoft Battery For Airsoft Guns Yma Mp5 Ris Aeg,Hk G36C, Ak-47 And So On

TATTU
TA-AS-NIMH-1600-9.6V-8S1P-2
4.61 X 1.38 X 0.98 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
SQS STORE 6.87

Features

Fresh Cells: Made of 2/3A x8 cells, All batteries arrive direct from the manufacturer, ensuring the longest life and freshest battery cells. Each pack is fully tested for defect and output

Great Rate of Fire: Tattu 9.6 V Flat Battery Pack offers high current flow resulting high rate of rotation. Fits popular models of airsoft guns like MP5, SCAR, M249, M240B, M60, RPK, PKM, G36C, M4A1-RIS/M4A1, CAR 15, MP5SD6, MC51, FNP90, G3A4, and others.

Advanced NiMH Material, no memory technology, Tattu 9.6V Flat NiMH airsoft Battery pack does not require discharging.At any battery level, you can just charge it up to full

Safety protection& Lifetime customer service: Uses pulse and negative pulse technology to avoid battery overheating, over the current and short circuit. 30-days money back,1-year warranty, and 24-hour customer services. Any questions please contact us via amazon message, we will resolve them.

More details: Dimensions each unit 4.6"x1.37"(117mm x 35mm) , Weight: 184g, Warranty: We provide friendly customer services and lifetime technical supports

Cameron Sino Battery For At&T Ni3615T30P3S534416 At&T Wf720 (2000 Mah, 3.6 V, Ni-Mh)

CAMERON SINO
AT&T NI3615T30P3S534416
1.99 X 1.68 X 0.57 Inches
0.22 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
CS Battery 6.48

Features

Replacement Battery for AT&T WF720

Voltage: 3.6V, Capacity: 2000mAh/7.2Wh, Type: Ni-MH

fit Part Number Ni3615T30P3S534416

Ugoshop Replacement For Dyson V7 Battery, Dw20V7 Adapter For Dewalt 20V Battery Convert For Dyson V7 Vacuum Cleaner, Sv11 V7 Motorhead Pro Trigger Animal Car+Boat Fluffy Vacuum Cleaner (Only Adapter)

UGOSHOP
0.39 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Ugodianxia 5.83

Features

👍Product: DW20V7 adapter suitable for DeWalt 20V 18V battery and supplies the Dyson V7 21.6 V tools with power. The adapter is matched to the DEW battery, which is a perfect replacement for the Dyson V7 battery. (Adapter Only)

👍Perfectly fit for Dewalt Batteries: Compatible with DeWalt 20V 18V batteries: DCB200 for DCB205 DCV580 DCB204 DCB180 DCB203 DCD740 DCD780 DCD785C2 DCB181.

👍Perfectly Fit for Dyson 21.6V Vacuum Cleaner: Compatible with your Dyson V7 Series, V7 Motorhead, V7 Fluffy, V7 Animal Pro+, V7 Trigger, V7 Trigger, V7 HEPA, V7 Car+boat, V7 Absolute, etc.

👍High Quality: High quality ABS material, high quality, safe and secure. The usage time depends on the installed battery capacity. Cannot be used to charge the battery. Tip: Remove the adapter when not in use. We recommend using 4AH and higher -capacity batteries, which will get a better experience.

👍Warranty: 30 days money back, 12 months warranty. If you have any questions, please email us. We strive for friendly customer service.

#TOP6

2X Battery For Nb-11L Nb11L Nb-11Lh Nb11Lh Ixus Ixy Shot A2300 A2400 A2500 A2600 A3400 A3500 A4000 Elph 110 115 130 320 Sx400 Sx410 Sx420 Is Hs

BTBAI
NB-11L-04
1.57 X 1.57 X 1.57 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
DiJingTe Mall USA 5.51

Features

Package Details: 2x Brand New Battery for Canon NB-11L

Type: Li-ion Battery; Capacity: 680 mAh; Voltage: 3.6 V; 24 Months Warranty

CE Safety Certification and UL Listed; Meets or exceeds OEM standards

100% Compatible With Original Battery, Efficient, Environmentally, Energy-saving

Fully Decoded Version: Show Battery Level in Camera LCD; Can charged by your original Charger

#TOP7

Vintrons Battery For Panasonic Kx-Tcm941 Kx-Tcm943 Kx-Tcm944 Kx-Tcm944-B 3.6V 1300Mah

CAMERON SINO
5055573956457
1.00 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
LIONX 9.24

Features

3.6 V

1300 mAh

Ni-MH

Black

Ifixit A1466 A1496 A1369 Battery For Macbook Air 13" (Late 2010 To 2017) - Repair Kit

IFIXIT
IF188-113-2
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
IFixit 9.85

Features

New battery confirmed to have a capacity greater than 7200 mAh.

Fix Kit includes all tools needed for a successful DIY repair.

Compatible with MacBook Air 13" A1369 Late 2010 to Mid 2011. MacBook Air 13" A1466 Mid 2012 to 2017..

Specifications - Battery Model #: A1377, A1405, A1496. Watt Hours: 55 Wh. Voltage: 7.6 V. Milliamp Hours: 7200 mAh.

Covered by iFixit's 1 Year Warranty for batteries.

Ifixit A1466 A1496 A1369 Battery For Macbook Air 13" (Late 2010 To 2017)

IFIXIT
IF188-113-1
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
IFixit 9.85

Features

Replace an old or worn out battery.

New battery confirmed to have a capacity greater than 6800 mAh.

Specifications - Battery Model #: A1377, A1405, A1496. Watt Hours: 55 Wh. Voltage: 7.6 V. Milliamp Hours: 7200 mAh.

Compatible with MacBook Air 13" A1369 Late 2010 to Mid 2011, MacBook Air 13" A1466 Mid 2012 to 2017.

Covered by iFixit's 1-Year Battery Warranty.

Ifixit Battery Compatible With Macbook Air 11" (Mid 2011-Early 2015) - Repair Kit

IFIXIT
IF108-063-2
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
IFixit 9.86

Features

New battery will have a capacity greater than 4850 mAh.

Fix Kit includes all tools needed for a successful DIY repair.

Specifications - Battery Model #: A1495, A1406. Watt Hours: 38.75 Wh. Voltage: 7.6 V. Milliamp Hours: 5100 mAh.

Compatible with MacBook Air 11" A1370 Mid 2011, MacBook Air 11" A1465 Mid 2012 to Early 2015..

Covered by iFixit's 1-Year Battery Warranty.

Top 10 batteries Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Ifixit 3
Cameron Sino 2
Btbai 1
Dtk 1
Natno 1
Tattu 1
Ugoshop 1

Top 10 batteries Brands Pie Chart


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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.