Best 4 V Batteries in 2026

Daisy
Last Updated: Feb 12, 2026

At a Glance: Our Top Picks for 4 V Batteries

Genuine SigmasTek 12 Volt 35 AmpH SLA Replacement Batteries - Set of 2
#TOP1
Genuine Sigmastek 12 Volt 35 Amph Sla Replacement
9.7
PM SCORE
SigmasTek DJW12-4.5 12 Volt 5 AmpH SLA Replacement Battery with F1 Terminal
#TOP2
Sigmastek Djw12-4.5 12 Volt 5 Amph Sla Replacement
9.7
PM SCORE
Leoch Battery DJW12-4.5 Replacement Battery - 12 Volt 5 AH F1 Terminal by SigmasTek
#TOP3
Leoch Battery Djw12-4.5 Replacement Battery - 12 Volt
9.7
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

Market Overview
4 V Batteries Reviewed
  • Reviews Analyzed: 2639 Items
  • PM Avg. Rating: 3.6 / 10
72 Products Evaluated
  • Highest Price: $149.89
  • Lowest Price: $8.79
  • Avg. Price: $24.93

Genuine Sigmastek 12 Volt 35 Amph Sla Replacement Batteries - Set Of 2

SIGMASTEK
SP12-35 (NB)
7.72 X 5.14 X 6.14 Inches
49.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.72

Features

Item Package Quantity:2

Replacement Battery

Guaranteed compatibility with OEM battery

12 Volt 35 AmpH

Sealed Lead Acid Battery

Sigmastek Djw12-4.5 12 Volt 5 Amph Sla Replacement Battery With F1 Terminal

SIGMASTEK
2156835_SP12-5
3.54 X 2.76 X 3.98 Inches
3.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.72

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

Brand New, Factory Fresh

1 Year Warranty

Leoch Battery Djw12-4.5 Replacement Battery - 12 Volt 5 Ah F1 Terminal By Sigmastek

SIGMASTEK
DJW12-4.5_SP12-5
3.54 X 2.76 X 3.98 Inches
3.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

Brand New, Factory Fresh

1 Year Warranty

3Fm4.5 6 Volt 4.5 Amph Sla Replacement Battery With F1 Terminal

SIGMASTEK
SP6-4.5
2.76 X 1.86 X 3.94 Inches
1.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.71

Features

GENUINE SigmasTek Battery - The Best Choice for High Quality Replacement Sealed Lead Acid Battery

6 Volt 4.5 Amp Batteries

Replacement for: UB645, PS-640, YT-645, RB640, NB6, ELB06042

Item Model Number: SP6-4.5

1 Year Warranty

Ultracell Ul7.5-12 Replacement Battery - 12 Volt 7Ah T1 Terminal By Sigmastek

SIGMASTEK
UC-UL7.5-12_SP12-7
5.95 X 2.56 X 3.70 Inches
4.80 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

Brand New, Factory Fresh

1 Year Warranty

Sp6-4.5 6 Volt 4.5 Amph Sla Battery With F1 Terminal By Sigmastek

SIGMASTEK
2.76 X 1.86 X 3.94 Inches
1.60 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

U.L. Recognized and CE Certified

Brand New, Factory Fresh

1 Year Warranty

6V 1.2 Amp Ge Security Simon Iii Alarm Battery By Sigmastek

SIGMASTEK
3.82 X 0.94 X 2.00 Inches
0.66 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

U.L. Recognized and CE Certified

Brand New, Factory Fresh

1 Year Warranty

Djw6-1.2 6 Volt 1.4 Amph Sla Replacement Battery With F1 Terminal

SIGMASTEK
SP6-1.2
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Replacement Battery for DJW6-1.2, UB613 (D5731), PS-612, NP1.2-6, CA613 and LP6-1.2.

Mfr Part Number: SP6-1.2 (6 Volt 1.2 AmpH)

Sealed Lead Acid Battery

Item Package Quantity: 1

Guaranteed compatibility with OEM battery

Buzz Electric Scooter Replacement Batteries - 2X 12 Volt 12Ah Batteries By Sigmastek

SIGMASTEK
BUZZELSCTR_SP12-12HR_X2
5.95 X 3.86 X 3.70 Inches
15.84 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.72

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

Brand New, Factory Fresh

1 Year Warranty

#TOP10
Best For Gel

Pride Victory Replacement Battery Set Of 2 X 12V 35Ah

SIGMASTEK
151-351_SP12-35NB_X2
7.72 X 5.14 X 6.14 Inches
49.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

U.L. Recognized and CE Certified

1 Year Warranty

Bravo Black Box Replacement Batteries - 2X 12 Volt 9Ah T2 Terminal Scooter Batteries By Sigmastek

SIGMASTEK
BLACKBOX_SP12-9_X2
5.95 X 2.56 X 3.70 Inches
12.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

Brand New, Factory Fresh

1 Year Warranty

Black&Decker Cst1200 12 Volt 10" Cordless Trimmer Replacement Battery - 12 Volt 3.5 Ah F1 Terminal By Sigmastek

SIGMASTEK
BD-CST120012VOLT10CT_SP12-3
5.24 X 2.64 X 2.36 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

Brand New, Factory Fresh

1 Year Warranty

Ajc C5S Replacement Battery - 6 Volt 4.5 Ah F1 Terminal By Sigmastek

SIGMASTEK
C5S_SP6-4.5
2.76 X 1.86 X 3.94 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

Brand New, Factory Fresh

1 Year Warranty

Bsb Dc12-35 12V 35Ah Replacement Battery

SIGMASTEK
DC12-35
7.72 X 5.14 X 6.14 Inches
24.70 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

U.L. Recognized and CE Certified

Brand New, Factory Fresh

1 Year Warranty

National Battery Nb6-4.5 Replacement Battery - 6 Volt 4.5 Ah F1 Terminal By Sigmastek

SIGMASTEK
NB6-4.5_SP6-4.5
2.76 X 1.86 X 3.94 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

Brand New, Factory Fresh

1 Year Warranty

Nellcor Puritan Bennett N-595 Pulse Oximeter Replacement Battery - 6 Volt 4.5 Ah F1 Terminal By Sigmastek

SIGMASTEK
N-595POX_SP6-4.5
2.76 X 1.86 X 3.94 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

Brand New, Factory Fresh

1 Year Warranty

Sla0905 6 Volt 4.5 Amph Sla Replacement Battery With F1 Terminal

SIGMASTEK
SLA0905
2.76 X 1.86 X 3.94 Inches
1.60 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

U.L. Recognized and CE Certified

Brand New, Factory Fresh

1 Year Warranty

#TOP18
Best For 9 Ah

Conext Cnb750 (12V 7.5Ah) Ups Replacement Batteries - Set Of 2

SIGMASTEK
5.95 X 2.56 X 3.70 inches
10.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

U.L. Recognized and CE Certified

Brand New, Factory Fresh

1 Year Warranty

Abbott Laboratories Plum A+ Infusion Pump 6V 4.5Ah Replacement Battery - 6 Volt 4.5 Ah F1 Terminal By Sigmastek

SIGMASTEK
118982_SP6-4.5
2.76 X 1.86 X 3.94 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

Brand New, Factory Fresh

1 Year Warranty

Rb640 6 Volt 4.5 Amph Sla Replacement Battery With F1 Terminal

SIGMASTEK
RB640
2.76 X 1.86 X 3.94 Inches
1.60 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

U.L. Recognized and CE Certified

Brand New, Factory Fresh

1 Year Warranty

6 Volt 1.2 Amp A206/1.2S Replacement Battery By Sigmastek

SIGMASTEK
3.82 X 0.94 X 2.00 Inches
0.66 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

U.L. Recognized and CE Certified

Brand New, Factory Fresh

1 Year Warranty

6 Volt 1.4 Amp Ge Security Caddx 60914 Alarm Battery By Sigmastek

SIGMASTEK
3.82 X 0.94 X 2.00 Inches
0.66 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

U.L. Recognized and CE Certified

Brand New, Factory Fresh

1 Year Warranty

#TOP23
Best For 5 Ah

12 Volt 5.5 Ah F2 Battery (10 Pack) By Sigmastek

SIGMASTEK
210810_SP12-5.5HR
3.54 X 2.76 X 3.98 Inches
3.50 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.72

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

Brand New, Factory Fresh

1 Year Warranty

6 Volt 7 Amph Sla Genuine Sigmastek Battery With F1 Terminal

SIGMASTEK
DSM18
5.95 X 1.34 X 3.70 Inches
2.42 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

U.L. Recognized and CE Certified

Brand New, Factory Fresh

1 Year Warranty

Ajc C4.5S Replacement Battery - 6 Volt 4.5 Ah F1 Terminal By Sigmastek

SIGMASTEK
C4.5S_SP6-4.5
2.76 X 1.86 X 3.94 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.72

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

Brand New, Factory Fresh

1 Year Warranty

Bright Way Group Bw645 Replacement Battery - 6 Volt 4.5 Ah F1 Terminal By Sigmastek

SIGMASTEK
BW645_SP6-4.5
2.76 X 1.86 X 3.94 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

Brand New, Factory Fresh

1 Year Warranty

Enersys Npx-35 Replacement Battery - 12 Volt 9 Ah F2 Terminal By Sigmastek

SIGMASTEK
ENPX-35_UPS12-9
5.95 X 2.56 X 3.70 Inches
6.05 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

Brand New, Factory Fresh

4 Year Warranty

Fast Shipping

Long Way Lw-3Fm4.5A Replacement Battery - 6 Volt 4.5 Ah F1 Terminal By Sigmastek

SIGMASTEK
LW-3FM4.5A_SP6-4.5
2.76 X 1.86 X 3.94 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

Brand New, Factory Fresh

1 Year Warranty

Ritar Rt645 Replacement Battery - 6 Volt 4.5 Ah F1 Terminal By Sigmastek

SIGMASTEK
RT645_SP6-4.5
2.76 X 1.86 X 3.94 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

Brand New, Factory Fresh

1 Year Warranty

Sealed Lead Acid 6 Volt 4.5 Amp Replacement Battery - 6 Volt 4.5 Ah F1 Terminal By Sigmastek

SIGMASTEK
6V-4.5AH_SP6-4.5
2.76 X 1.86 X 3.94 Inches
1.60 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Batterysharks 9.70

Features

Absorbent Glass Mat (AGM) Technology

Maintenance-Free Design with Spill Proof Construction

Brand New, Factory Fresh

1 Year Warranty

Top 10 batteries Brands on Amazon

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

Brand Count
Sigmastek 72

Top 10 batteries Brands Pie Chart


We've carried out a comprehensive analysis of 2,639 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 $24.93, with top brands including and

Our team of expert editors reviewed these high-quality items and handpicked the top 30 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.