Best Batteries

How Many Batteries Products Does G2 Track?

Total Products under this Category: 19

Category Stats (Sep 2026)

  • Average Rating: 4.78/5 The average rating of products in this category, based on all submitted ratings

Last updated: September 28, 2026

How Does G2 Rank Batteries Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 0+ Authentic Reviews
  • 19+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

BrightBox

Brightbox generates, stores, and manage cleans affordable solar energy on your terms.

Average Rating: 4.8/5.0

Total Reviews: 3

Who Is the Company Behind BrightBox?

  • Seller: SunRun
  • Year Founded: 2007
  • HQ Location: San Francisco, California, United States
  • Twitter: @Sunrun
    49,760 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    10,634 employees on LinkedIn®
  • Ownership: NASDAQ: RUN

Who Uses This Product?

  • Company Size: 67% Small

What Are Recent G2 Reviews of BrightBox?

Li-ion / Polymer Cell

Due to the patented cell design, the energy density of the High Energy type SLPB's is extremely high, while the high power type SLPB's. The superior characteristics of Kokam's Lithium polymer battery are built using Kokam's distinct manufacturing technology.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind Li-ion / Polymer Cell?

  • Seller: Kokam
  • HQ Location: Suwon-si, South Korea
  • Twitter: @KokamCoLtd
    98 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Large

What Are Recent G2 Reviews of Li-ion / Polymer Cell?

Powervault

Powervault stores electricity in your home using either Lithium-ion Phosphate cells or Lead Acid batteries. Powervault's Lithium-ion Phosphate cells can store 2kWh-6kWh of usable (AC) energy.

Average Rating: 4.5/5.0

Total Reviews: 1

Who Is the Company Behind Powervault?

  • Seller: Powervault
  • Year Founded: 2012
  • HQ Location: London, GB
  • Twitter: @power_vault
    1,998 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    37 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Powervault?

ALM Lithium Ion Batteries

ALM Lithium Ion Batteries has high rate power delivery with consistent energy capacity.

Who Is the Company Behind ALM Lithium Ion Batteries?

Battery Guru

Battery Guru is the ultimate app for displaying battery info of your phone and tablet! With a wide range of features, we offer everything users need. Want to know your screen-on time? Or an estimate of power used while the screen was off? We save you time, everything is one click away. Set battery alarm, check battery temperature while charging, when fully charged, monitor battery health, all about battery life in a simple way. With Battery Guru, you have everything in the palm of your hand.

Who Is the Company Behind Battery Guru?

Battery Modules

ESS solutions have been utilized to support grid frequency, improve power quality and reliability of renewable energy sources, manage peak loads, frequency fluctuations, support voltage sags, sustain micro grids, and prevent massive black-outs and more.

Who Is the Company Behind Battery Modules?

  • Seller: Kokam
  • HQ Location: Suwon-si, South Korea
  • Twitter: @KokamCoLtd
    98 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Diesel Electric Bikes

Diesel Electric Bikes is a California‑based electric bicycle company that designs and builds high‑powered, performance‑oriented e‑bikes for experienced riders. The brand launched its first two models, the RS‑1 and RX‑1, in March 2026 and sells directly to consumers through dieselelectricbikes.com across the continental United States.

Who Is the Company Behind Diesel Electric Bikes?

Electrovaya Battery Modules

Electrovaya is focused on contributing to the prevention of climate change through supplying the safest and longest lasting Li-Ion batteries in the marketplace.

Who Is the Company Behind Electrovaya Battery Modules?

  • Seller: Electrovaya
  • Year Founded: 1997
  • HQ Location: Mississauga, CA
  • Twitter: @Electrovaya
    1,766 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    84 employees on LinkedIn®
  • Ownership: TSX:EFL

ESS Battery

Energy Storage System(ESS) stores electric energy and utilize them for later consumption. It is purposed to improve energy efficiency, by enhancing the quality of renewable energy that results stabilization of power supply system.

Who Is the Company Behind ESS Battery?

  • Seller: LG Chem
  • Year Founded: 1947
  • HQ Location: Seoul Seoul ,South Korea
  • LinkedIn® Page: www.linkedin.com
    5,638 employees on LinkedIn®
  • Ownership: KRX: 051910

Fluidic Zinc-Air Technology

Zinc-Air based energy storage platform has substantial raw material cost advantages over lead acid batteries (1/4th the cost) and lithium ion batteries (1/17th the cost).

Who Is the Company Behind Fluidic Zinc-Air Technology?

HR Energy Storage Racks

The High Rate (HR) Energy Storage Racks are fully integrated battery storage system offering reliable energy storage for a wide range of high rate, high power applications.

Who Is the Company Behind HR Energy Storage Racks?

LD Energy Storage Racks

The LD Energy Storage Racks are high performance, fully integrated battery systems for a wide range of long duration energy storage applications.

Who Is the Company Behind LD Energy Storage Racks?

MPINarada Narada HRXL Series Data Center Battery

Narada has been in the battery business for over 25 years and has a history of industry knowledge that is unsurpassed in the battery market. With a foundation of expertise to build upon, creating new solutions comes naturally. Experience also comes into play when realizing new ideas can also come from building upon existing ones. The Narada HRL and HTB series batteries each have unique strengths for data centers and reserve power telecom applications. It only makes sense that their strongest features was recognized as a foundation for creating the new HRXL product series, which is already having a huge impact in the critical power area of the market. This current technical paper, “Narada HRXL Series Data Center Battery: An Inside Look at What Makes This VRLA Battery the Most Reliable, Cost-Effective Design Available Today“, takes a deep dive into the technology behind the latest battery innovations to hit the market. Having the right mix of ingredients for a product application can make all the difference in achieving the end goals of performance, time and money savings, and more. Learn all about the benefits a total system solution can offer before you consider your next purchase decision.

Who Is the Company Behind MPINarada Narada HRXL Series Data Center Battery?

Phi Product Line

The PHI product line deep-cycle Lithium Ferro Phosphate (LFP) battery is optimized with proprietary cell architecture, power electronics, BMS and assembly methods. It is modular, lightweight and scalable. Provides power security and seamless integration of renewable and traditional sources of energy in conjunction with or independent of the grid: net zero, peak shaving, emergency back-up, portable and mobile.

Who Is the Company Behind Phi Product Line?

Subhransu Sahu
SS
Researched and written by Subhransu Sahu
Updated October 3, 2024