4.0Ah 18V Replacement Battery Compatible with Hitachi BSL1815 339782 BSL1830C BSL1815X BSL1830 330139 330557 Power Tool Battery 4 Packs

【4000mAh High Capacity】 Battery Type: Lithium-ion; Voltage: 18V; Capacity: 4000mAh. The 4000mAh high capacity Li-ion battery for HITACHI has more run-time than standard batteries 【Safety & Reliable】 The 4000mAh bsl1815x battery for HITACHI comply with FCC, CE and RoHS certified. The BSL1830 battery has built in over-charging, over-discharging, over-current protection and others, providing short-circuit protection and voltage stabilization circuits for increasing the life of the battery 【Maximum Productivity & Increase Life】 The BSL1815S battery is made of premium Li-ion battery cell and lead-free SMT process for no pollution. The Li-ion cell of 339782 battery ensures no memory effect and low self-discharge for maximum productivity and less downtime