Author: huang, karl

Matching an inverter to a lithium bank: voltage window, continuous power, surge rating table, pure sine vs modified, efficiency/idle draw, BMS cutoff coordination, cabling and grounding.

C-rating selection for motor loads: why C-rate beats Ah, reading motor current profiles, worked forklift example, peak vs continuous, chemistry and busbar ratings, temperature derating, procurement checklist.

Home storage sizing by load analysis: bill audit, backup vs daily goals, essential-load table, solar pairing, peak power, DoD/longevity, placement, mistakes, warranty.

Throughput-based forklift sizing: measure shift kWh, convert to pack capacity, voltage/C-rate table, opportunity charging, cold dock derating, fleet telemetry, TCO vs lead-acid, scorecard.

Step-by-step RV lithium selection: load audit, voltage, capacity by trip style, lithium charge profile, fit/weight table, BMS, solar charging, mistakes, certification.

Runtime method: usable Ah formula, C-rate and DoD effects, runtime table, autonomous telecom/sensor/pump sizing, cold derating, BMS cutoffs, calculator sheet.

Off-grid battery sizing method: load audit, autonomy days, depth-of-discharge, worked 48 V cabin example, voltage/config, charge-source match, cold derating, chemistry comparison table, procurement checklist.

Datasheet decode: nominal voltage and cell count, rated capacity at C-rate, cycle-life conditions table, C-rate continuous vs peak, charge/discharge temps, internal resistance, safety certs, red flags.

BMS selection: what it does, centralized vs distributed topology, CAN/RS485/SMBus table, active vs passive balancing, protection ratings, SOH telemetry, in-house vs module, scorecard, RFQ clause.

Ah to kWh conversion: formula, worked table, usable vs nameplate at DoD, C-rate effects, solar and chemistry examples, power vs energy, a conversion worksheet, datasheet reading.