For Worx For Worx 20V 3.0Ah 4.0Ah 5.0Ah 6.0Ah WA3520 Lithium-Ion Battery Replacement BAOELA68487 0 Review(s)  $74.89 100% compatible. High-quality Lithium-ion replacement. It features an honest capacity. Designed with multi-protection against over-discharge, overload, and short circuits for longer battery life. Compatibility with the original, No memory effect. Add to cart