Electronics previously 4v battery is not replaced now general electronics before 6v battery factory is already a constant of the point, it is not for replacement. Circuit voltage drop are all blind replacement can cause measurement inaccurate. Body electronics, said battery better than electrons. More accurate measurement, electronics batteries, use longer. Above content provided by Hebei Tianyi Electric Co., Ltd., we hope to help a friend in the same industry. Electronics said the new battery should pay attention to how the charge is the new electronics, said battery charging Do not wait until the battery runs out, oh, so bad for the battery, the correct approach is to see the voltage of 4.0 volts or 3.9 a few a few volts Be sure to charge, and electronics, said battery-specific, general boot will appear before a self-test zero voltage display, showing the words DC 4.20 or 4:00 a few, the charging generally charge 8-12 hours. Above content provided by Hebei Tianyi Electric Co., Ltd., we hope to help a friend in the same industry. Electronics batteries | Electronics said battery manufacturers | Creative resistant cells (high-quality businesses) are provided by Hebei Tianyi Electric Co. Electronics batteries | Electronics said battery manufacturers | Creative resistant cells (high-quality business) Hebei Tianyi Electric Co., Ltd. (www.tianyidq.com) this year introduced a new upgrade, the above picture is for reference only, please call or pictures on this page contact telephone number, to obtain the latest information, contact: Li.