import type { SelfDischargeInput, SelfDischargeResult } from './types.js';
/**
 * Calculate battery self-discharge rate
 *
 * @formula monthlyRate% = (ΔV / days) × 30 / Vnominal × 100
 * @param input - Initial voltage, final voltage, elapsed days, nominal voltage
 * @returns Daily and monthly self-discharge rates
 */
export declare function selfDischarge(input: SelfDischargeInput): SelfDischargeResult;
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