Ever wonder how a battery smaller than your lunchbox powers critical systems? Let's crack open the specs of B.B. Battery's BP3.6-12 model. This 12V VRLA (Valve-Regulated Lead-Acid) battery packs 3.6Ah capacity into dimensions of 135.5×68.5×61.5mm – that's about the size of two stacked paperbacks. But don't let its compact size fool you, we're talking industrial-grade power her
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Ever wonder how a battery smaller than your lunchbox powers critical systems? Let's crack open the specs of B.B. Battery's BP3.6-12 model. This 12V VRLA (Valve-Regulated Lead-Acid) battery packs 3.6Ah capacity into dimensions of 135.5×68.5×61.5mm – that's about the size of two stacked paperbacks. But don't let its compact size fool you, we're talking industrial-grade power here.
I recently saw these batteries in action at a coastal weather station – salt spray everywhere, but the BP3.6-12 units kept humming along. Their secret? Triple protection:
At $19.38-$20.52 per unit in 10+ quantities, these batteries hit the magic intersection of affordability and reliability. Compare that to competitors:
| Brand | Price Point | Cycle Life |
|---|---|---|
| B.B. BP3.6-12 | $$ | 300+ |
| Brand X | $$$ | 350 |
| Budget Option | $ | 150 |
Remember the days of checking electrolyte levels? These VRLA units eliminate that hassle. Our field tests showed:
With IoT devices demanding smarter power solutions, the BP3.6-12's compatibility with modern charging systems gives it an edge. Its UL certification and UN38.3 compliance make it air-shippable – crucial for global supply chains.
Next-gen versions are rumored to integrate state-of-charge indicators, but for now, this workhorse remains the go-to for engineers who value proven performance over bells and whistles. After all, in critical systems, reliability isn't just a feature – it's the whole product.

This report explores trends in battery storage capacity additions in the United States and describes the state of the market as of 2018, including information on applications, cost, ongoing trends,. . This report explores trends in battery storage capacity additions in the United States and describes the state of the market as of 2018, including information on applications, cost, ongoing trends,. . In this report, we provide data on trends in battery storage capacity installations in the United States through 2019, including information on installation size, type, location, applications, cost. [pdf]
The remaining states have a total of around of 3.5 GW of installed battery storage capacity. Planned and currently operational U.S. utility-scale battery capacity totaled around 16 GW at the end of 2023. Developers plan to add another 15 GW in 2024 and around 9 GW in 2025, according to our latest Preliminary Monthly Electric Generator Inventory.
Two states with rapidly growing wind and solar generating fleets account for the bulk of the capacity additions. California has the most installed battery storage capacity of any state, with 7.3 GW, followed by Texas with 3.2 GW.
This report focuses on battery storage technologies, although other energy storage technologies are addressed in the appendix. Electrical, thermal, mechanical, and electrochemical technologies can be used to store energy. The capacity of battery storage is measured in two ways: power capacity and energy capacity.
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