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The charger calculator compares two individual adapters at an entered nineteen dollars ninety-nine each against a twenty-seven-dollar-ninety-nine bundle. Two singles total thirty-nine dollars ninety-eight, so bundle savings are eleven dollars ninety-nine. Dividing savings by the singles total yields approximately thirty percent. Bars compare equal-count totals at twelve pixels per dollar. Bundle divided by two gives thirteen point nine nine five, but this source rounds the displayed per-adapter figure to one decimal place, fourteen dollars. Prices, product names and record-low language are saved source assumptions, not verified current offers, lowest prices or recommendations. No purchase, current retailer lookup or physical charging test occurs. The default requested draws are thirty and twenty watts, matching its entered fifty-watt budget. They are assigned unchanged and receive an optimal-split label. The bars show assigned port A and B at twelve pixels per watt. When request sum exceeds budget, the program gives A the smaller of its request and the larger of twenty or budget minus twenty; B receives the remainder. This is an authored allocation rule rather than measured USB negotiation or a manufacturer power table. For requests forty and thirty with fifty total, it assigns thirty and twenty. Hardware cable limits, voltage profiles, charge state, temperature and actual device capabilities are absent. The source flash preset replaces bundle price with twenty-four dollars ninety-nine while leaving individual price nineteen dollars ninety-nine and quantity two. Savings become fourteen dollars ninety-nine; dividing by thirty-nine dollars ninety-eight and rounding to one decimal yields thirty-seven point five percent. Bars compare individual total and bundle at twelve pixels per dollar. Charging inputs remain as previously selected, so a pricing preset does not reset power requests. Its animated or drawn charge curve uses fixed taper fractions rather than time-dependent battery physics. Native preset, JSON export and reset are preserved and checked, while current discounts, battery charging performance, clipboard and all other controls remain unverified.