Energizer X400 400-Lumen Rechargeable Bike Light $12 at Amazon
Amazon has the Energizer X400 400-Lumen Rechargeable Bike Light on sale for $22 - $10 off coupon (check "Save an extra" box) =
$12 with free shipping on $25+ or with Prime.
2-Hour runtime on High / 4-Hour on Low, includes rear red LED (Always on or Strobe, 5.5 hour runtime), USB cables included for recharging.
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