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Your trusted guide for rechargeable batteries, from basics to utility-scale solutions.

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Helping you choose, build, and understand rechargeable batteries with confidence

Battery Data

In-depth specs and comparisons for cells, packs, and utility batteries

Pack Assembly

Guidance and support for DIY battery pack building tailored to your projects

Hands assembling a custom battery pack with tools and solar panels in the background
Hands assembling a custom battery pack with tools and solar panels in the background

Gallery

Close-up of cylindrical lithium-ion battery cells arranged neatly in a grid.
Close-up of cylindrical lithium-ion battery cells arranged neatly in a grid.
Technician assembling a solar battery pack with visible wiring and protective casing.
Technician assembling a solar battery pack with visible wiring and protective casing.
Large utility-scale battery storage units installed outdoors with a blue sky backdrop.
Large utility-scale battery storage units installed outdoors with a blue sky backdrop.
Rows of prismatic battery cells lined up on a factory production line.
Rows of prismatic battery cells lined up on a factory production line.
Detailed shot of a battery management system circuit board within a pack.
Detailed shot of a battery management system circuit board within a pack.
Engineer inspecting battery modules using diagnostic tools in a clean lab environment.
Engineer inspecting battery modules using diagnostic tools in a clean lab environment.

Snapshots from battery technology and assembly processes

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