21V Rechargeable Lithium Battery and Battery Adapter Replacement Battery for Power Tool with Battery Level Indicator

Specifications

• Good quality plastic housing, with impact resistance and shockproof design, wear resistance and fine durability.
• Built-in microchip with stable working performance, prevents overcharging and self-discharge, provides multiple protection and stable voltage circuit.
• Temperature protection, overtime protection, overload protection, over-current protection, overpressure protection and with protective panels to protect the battery.
• Built-in LED power indicator helps you work easier, it's time to recharge, help you monitor the battery charge status and check if the battery is in good condition.