Price History for BTI Battery Tech - BTI 4X20E50558-BTI 20V 135W AC ADAPTER 00HM686, 45N0364, 45N0486, 4X20Q85539, 5A11K67846, ADL135NLC2A, 00HM688, 45N0367 - Black

Analysis

BTI Battery Tech - BTI 4X20E50558-BTI 20V 135W AC ADAPTER 00HM686, 45N0364, 45N0486, 4X20Q85539, 5A11K67846, ADL135NLC2A, 00HM688, 45N0367 - Black price analysis

Price analysis for BTI Battery Tech - BTI 4X20E50558-BTI 20V 135W AC ADAPTER 00HM686, 45N0364, 45N0486, 4X20Q85539, 5A11K67846, ADL135NLC2A, 00HM688, 45N0367 - Black at Best Buy: Today's price is $82.88. Current price is 5% above the 90-day average of $78.66 (a $4.22 above the running mean).

• Currently listed at $82.88, which is $5.08 above the original MSRP of $77.80.
• Current price is 5% above the 90-day average of $78.66 (a $4.22 above the running mean).
• The lowest recorded price on PriceWatchPro was $74.44 on September 8, 2026. That's $8.44 below today's price.
• The highest recorded price on PriceWatchPro was $82.88 on July 21, 2026.
• Across 7 tracked price changes, the listing has dropped 1 times with an average drop of $8.44.
• PriceWatchPro has been tracking this listing since December 17, 2025 (312 days of price history).