Replacement battery for Arcor Pirelli Twintel DP-L10. Specifications: 1000mAh, 3.7V, Li-ion. Compatible with: Arcor Pirelli Twintel DP-L10, TC300. Replaces: T-Com SYWDA64408227. T-Com replacement battery designed for PDA/Pocket PC devices. Designed to match the original manufacturer’s performance.