Information on first use and storage of batteries

For a trouble-free, long-lasting battery life, it is very important to charge them first and store them properly during the period when they are not in use. The procedure depends on the type of battery.

• Ni-Cd (nickel-cadmium) batteries – these batteries are no longer supplied as new (they have been replaced by Ni-Mh (nickel-metal hydride)), but it is worth knowing that they should be discharged “to the end” and then charged until the process is complete. We store them in a charged state, and it is a good idea to discharge and recharge them every few weeks during periods of intermittent use.
• Ni-Mh (nickel-metal hydride) batteries – such a battery, once purchased, we can immediately, normally operate in the device (with the knowledge that the operating time may be shorter than the target). After discharging, we charge it to the end of the process and during the next use, we also discharge it completely. By discharge to the end, we mean normal discharge during which we observe a marked decrease in the power of the device, or the brightness of the light. We try never to discharge the battery “to zero”, such as leaving the device on unattended. Such a discharge is very harmful to the battery and the consequences of such an action are not covered by the warranty. After another full charge, we can already operate the battery normally, we do not need to discharge it completely, we can recharge it after use. We store Ni-Mh batteries in a charged state, during longer breaks we recharge them every few weeks (without discharging them first).
• Li-Ion (lithium-ion) batteries – the battery is delivered, as partially charged. Before operation, it should be charged to the end without interrupting the process. Then you can operate the device normally. During long storage, it is best to maintain a partially charged state. This means that you should not wait until charging is complete, it is better to stop charging “in the middle”. Stored in this way, the battery will retain its parameters for a very long time. You just need to remember to recharge the package immediately before operation. All Li-Ion packs supplied by OnVolt are equipped with safety electronics (PCM or BMS). It protects the pack from both over-discharge and over-charging, and also monitors the condition of individual cells.