the energy+ set: 4 ah battery with charger 58ge132-1 graphite is a basic power supply set for graphite and neo tools power tools ensuring high convenience of use. It includes a battery with an increased capacity of 4 ah and an easy-to-use charger.consists of: energy+ 18 v li-ion 4.0 ah 58g004-1 graphite battery - a universal lithium-ion battery adapted to many devices from the energy+ series. This safe ce-certified cartridge has a capacity of 4 ah and a rated voltage of 18 v. Full charging time is approximately 100 minutes. The charge indicator and electronic temperature and current flow control system provide greater battery monitoring and allow for better work planning. The graphite battery is equipped with a sleep system that prevents it from losing power during long-term storage. the energy+ 58g002-1 graphite battery charger is a device that allows you to charge energy+ series batteries without losing their capacity. The charger is designed for a maximum current flow of 2.4 a. It is designed for lithium-ion batteries with a voltage of 18 v. The charging voltage is 21 v and the power supply is 230 v ~ 50 hz. Progress is signaled via a practical diode informing about the device being connected to the mains charging in progress and the end of charging.the charger is equipped with a voltage and temperature control system preventing overheating of the device and the battery being charged. Additionally it has a flexible and durable power cord.energy+ series devices are an excellent choice for professionals and diy enthusiasts.product features:compatible with all energy+ series deviceslithium-ion batterycharging without the risk of capacity losscharging indicatorelectronic system for controlling temperature and current flow during charging and dischargingbattery sleep systemled informing about the charging processce certificate.charging time: 100 min.battery capacity: 4 ah.voltage:battery - 18 vcharging - 21 v.**