The key-advantage of the Tenergy R2U Battery compared to usual rechargeable batteries is its extremely low self-discharge.Once charged, Tenergy R2U Battery keeps its charge even if you store it for 12 or 24 months. ( 85 percent of the charge after 12 months, 70 percent after 24 months ). For a rechargeable battery this is a revolutionary advantage.
$10.09 shipped via coupon code NM15 expires 11-21-2009.
