Expertise in Power Solutions
BOSA delivers reliable, proven battery solutions backed by years of experience.
Quality and Reliability
BOSA uses high-quality cells and strict control to ensure safe, long-lasting performance.
Customized Battery Solutions
BOSA designs tailored battery packs to match your voltage, capacity and application needs.
Improved Environmental Performance
BOSA lithium batteries cut emissions and boost efficiency compared with lead-acid systems.
Industry Solutions

Dumper
We are committed to providing next-generation high-safety lithium-ion battery pack system solutions specifically for dump trucks. We are not just a battery supplier, but a

Tow Tractor
At a critical juncture in the global logistics industry’s transformation towards green and efficient operations, tractor units, as the mainstay of transportation, are facing the

UTV
In every conquest of mountains, deserts, and snowfields, and in every responsibility undertaken in farms, mines, and emergency rescue operations, our lithium battery pack solutions,

Electric Lift
Our lithium battery pack solutions for electric lifts provide longer-lasting, more reliable, and smarter power in every high-altitude work scenario, including construction sites, equipment installation,
Latest articles
2026/07/03
The effect of copper foil thickness on lithium battery performance
Copper foil serves as the negative electrode carrier and current collector in lithium-ion batteries. The thickness of the copper foil plays a crucial role in lithium batteries, affecting their performance and safety. We will now analyze in detail how the thickness of the copper foil specifically impacts the battery, aiming to provide a reference for lithium battery professionals and enthusiasts. I. Impact on Battery Energy Density 1. Mass Energy Density: As the negative electrode current collector, copper foil itself does
Basic knowledge of lithium battery voltage: Open circuit voltage
The voltage characteristics of lithium batteries are a core indicator for evaluating their performance and safety, directly affecting their charge/discharge efficiency, cycle life, and application safety. This article mainly introduces the open-circuit voltage (OCV) of lithium batteries. Open Circuit Voltage (OCV) Open circuit voltage (OCV) refers to the voltage value when a circuit is open, with no load connected between the terminals of a power source or component. It reflects the electromotive force of the power source or the inherent
CALB VDA355 Module
The CALB VDA355 Module represents one of the most versatile and widely adopted standardized lithium-ion battery modules in the electric vehicle and energy storage industries. Manufactured by CALB (CALB Group Co., Ltd.), a leading global lithium battery producer, this module follows the VDA355 standard originally developed by the German Association of the Automotive Industry (VDA). Its compact dimensions, high energy density, and proven reliability make it a preferred choice for passenger EVs, commercial vehicles, custom battery conversions, and stationary storage
User comments
Bosa 24V battery packs for lifting equipments
"Bosa 24V LFP battery packs are a game-changer for our lifting equipment. We’ve been using them for months now, and they perform reliably with consistent power. Highly recommend!"
Bosa 48V battery packs for golf carts
"Bosa 48V battery packs for our golf carts have been fantastic. They charge quickly and last a long time. Perfect for long days on the course without worrying about running out of power."
Bosa 48V Battery Packs for Forklifts
"We replaced our old forklift batteries with Bosa 48V LFP packs, and the difference is night and day. Faster charging times and better durability, making our warehouse operations much more efficient."