WORX WA3604 20V 4.0Ah PowerShare Li-ion Battery and Charger

WORX WA3604 20V 4.0Ah PowerShare Li-ion battery and charger kit. Includes WORX WA3680 charger and WORX WA3553 PowerShare 20V 4.0Ah Li-ion battery. Compatible with WORX PowerShare batteries and charges 20V WORX batteries regardless of amp rating. 50 W charging power with a charging rate equivalent to 2.0Ah/hour, enabling fast charge of a 4.0Ah battery in about 2 hours. Integrated smart charging system automatically analyzes the battery and selects the optimal charging settings based on battery capacity and state of discharge. Built-in thermal sensor monitors ambient and battery temperature to prevent overcharge in hot conditions and undercharge in cold conditions, completing the charge cycle automatically. No memory effect on WORX Li-ion batteries; battery can be charged before full discharge. Mounting hanger holes allow wall mounting for fixed use. Integrated LED indicator optimizes charging and blinks green during the battery charging cycle. WORX WA3553 20V 4.0Ah Li-ion PowerShare replacement battery. PowerShare Li-ion technology allows the 20V WORX battery to power all 20V WORX cordless products. Active battery protection stops output under heavy load to protect battery and motor. 20V PowerShare batteries include short-circuit, overheat and overcharge protection functions. Heavy-duty rechargeable Li-ion cells provide up to 500 charge/discharge cycles and resist memory effect for extended service life. WORX 20V Li-ion batteries retain charge longer than conventional batteries (manufacturer claim). Battery has a 3-level LED charge indicator to show remaining energy.