selection guide
C&I BESS Sizing Guide
A defensible C&I BESS size comes from interval load data, a ranked operating objective, power constraints, required duration, and a model of usable—not just nameplate—energy.
Read guide →Technical resources
Technical guides for better battery and energy-storage decisions
Use practical sizing, architecture, safety, chemistry, and RFQ guidance to turn an early requirement into a more complete project brief.
Buyer knowledge center
Ten practical guides for project planning
Each guide focuses on a decision buyers need to make before comparing models, requesting documents, or asking for a quotation.
selection guide
Home Battery Sizing
Home-battery sizing starts with a critical-load schedule, power and surge requirements, daily energy, desired autonomy, solar production, and the inverter's supported battery configuration.
Read guide →technology guide
Air vs Liquid Cooling
Air and liquid cooling are system-level choices. Compare heat density, temperature uniformity, ambient conditions, parasitic demand, acoustic limits, maintenance, fault response, and site layout—not capacity alone.
Read guide →buyer guide
BESS Safety Review
A BESS safety review should connect cell and module behavior to electrical protection, BMS controls, thermal management, enclosure, fire strategy, emergency response, site layout, installation, and operating procedures.
Read guide →buyer guide
Solar Battery Decision Guide
A solar battery is worth evaluating when it supports a defined objective that can be modeled from interval loads, solar production, outage needs, export limits, tariffs, and operating constraints.
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Home Battery Formats
Rack, stacked, and wall-mounted batteries mainly differ in mechanical format, expansion method, service access, footprint, cable routing, and integration. Energy needs and inverter compatibility remain the first filters.
Read guide →technology guide
How VRLA AGM Works
A VRLA AGM battery immobilizes electrolyte in a glass-mat separator and is designed for gas recombination under controlled charging, but it still requires correct voltage, temperature, protection, ventilation, inspection, and replacement planning.
Read guide →selection guide
LiFePO4 vs VRLA
Choose LiFePO4 or VRLA from the duty cycle, power, usable energy, charging, temperature, weight, space, maintenance, system integration, replacement plan, and total project cost—not a chemistry slogan.
Read guide →buyer guide
BESS RFQ Checklist
A useful BESS RFQ states the operating objective, site data, power, usable energy, duration, electrical interface, environment, safety requirements, scope split, documents, and acceptance criteria.
Read guide →technology guide
Nominal vs Usable Energy
Nominal energy is a nameplate quantity; usable energy is the portion permitted by the proposed operating window and system limits. Delivered AC energy can be lower again after conversion and auxiliary losses.
Read guide →Turn the guide into a project brief
Use the checklist and then send the actual load, application, site, interface, destination, and schedule for review.