【Rechargeable Lithium Ion】 Kit includes two (2) rechargeable lithium-ion batteries that can be used with any L-Series or NP-F compatible device. Lithium-ion rechargeable batteries can be charged and used again and again to power your electronic devices such as cameras, lighting equipment, video cameras, and more. 【NP-F / L-Series Style】 Kit includes two (2) NP-F Style or L-Series Style rechargeable lithium-ion batteries. These batteries are an extremely popular choice for a wide variety of electronics items. Please be sure to check for NP-F / L-Series compatibility before ordering. 【Portable Wall Charger Included】 Kit includes one (1) portable wall charger for NP-F / L-Series batteries. This unit can recharge one battery at a time.