21-Volt Lithium Ion Battery | PHP23

21-Volt Lithium Ion Battery ITEM #: PHP23 Part of the Piranha® Series ATTENTION: This is a replacement battery ONLY; the charger and power tools are not included. To ensure optimal lifespan, fully recharge the battery every 3 to 6 months during periods of non-use. THE FACTORY-SPEC SOLUTION FOR UNINTERRUPTED POWER AND PERFORMANCE. Eliminate downtime and keep your Piranha® power tools running at full strength with the PHP23: Lithium Ion Battery. This is the factory-spec power source for your 21-Volt cordless tool arsenal. This 21-Volt, 4.0Ah lithium-ion power pack is engineered for the demanding pace of professional work, delivering long-lasting, fade-free power to get the job done without constant recharging. Advanced Safety and Job Site Durability Equipped with an intelligent protection system, this battery safeguards against overcharging, overheating, and short circuits. It has been rigorously tested to prove its durability for tough professional environments. Smart Performance