BO: ?
BQ: 3-screw batteries (HTE): Yes | 4-screw batteries (SMP): No<\/li>\n\n\n\n
BO: Yes
BQ: Yes<\/li>\n\n\n\n
BO: not necessary
BQ: For 3-screw batteries: Yes | 4-screw: charge cycle counter only<\/li>\n\n\n\n
BQ: Yes \u2013 see<\/a> PROBLEM \u2192 BATTERY \u2192 ,Battery charging port socket defective<\/em>'<\/li>\n<\/ul>\n\n\n\n
Repair<\/h3>\n\n\n\n
Repair must be distinguished from replacement. In a replacement, all cells in the battery are exchanged for new ones. The term repair includes the replacement of individual defective cells, the repair of the BMS, or the housing \u2013 e.g., the Rosenberger charging socket.<\/p>\n\n\n\n
Stromer repariert keine Akkus. Geht der Akku aufgrund eines Problems in der Stromer-Elektrik in die Sicherheitsstellung, kann Stromer den Akku jedoch zur\u00fccksetzen. Siehe here<\/a>.<\/p>\n\n\n\n Stromer batteries are not cheap. Relevant companies have recognized a market here and offer the reconditioning of Stromer batteries with new cells. Physically, this is not a problem \u2013 it is only important to ensure that high-quality lithium-ion cells are used and not inferior products.<\/p>\n\n\n\n The crux of the cell replacement is the BMS. To achieve full range after cell replacement, the SoH (State of Health) and the charge cycle counter must be reset to factory settings for batteries in the BQ series. If this is not done, only the old capacity and thus range can be used, despite new cells. Batteries in the BO series are not affected by this. However, if a higher battery capacity than the original is installed, the capacity indicator will be incorrect unless the SoH is reset.<\/p>\n\n\n\n Restriction<\/strong>: Der BQ814- und BQ983-Akku wird f\u00fcr Stromer von zwei Firmen \u2013 HTE<\/a> (TD Hightech Energie) and SMP<\/a> (Simplo Technology Co. Ltd.) \u2013 hergestellt. Ein Reset beider Werte \u2013 und damit sinnvolle Neubest\u00fcckung \u2013 ist nur beim Modell von HTE, dem Modell mit drei Schrauben, m\u00f6glich.<\/p>\n\n\n I am aware of providers who offer cell replacement for Stromer batteries in a Table<\/a> (CH \/ DE \/ NL \/ BE) compiled.<\/p>\n\n\n\n Stand August 2026 sind mir vier Firmen (gr\u00fcn hinterlegt) bekannt, die den Ladezyklenz\u00e4hler und den SoH-Wert auf Werkseinstellungen zur\u00fccksetzen k\u00f6nnen. Drei sind in der Schweiz, eine in Belgien. Die folgende Tabelle listet die mir bekannten Dienstleistungen der Anbieter auf:<\/p>\n\n\n\nRefitting (Refit \/ Refurbishing)<\/h3>\n\n\n\n
![\"\"](\"https:\/\/wp.stromer-tech.info\/wp-content\/uploads\/2025\/07\/Stromer_Akku_3_oder_4_Schrauben-3-1024x457.jpg\")
<\/figure>\n<\/div>\n\n\nRefurbisher\/refurbisher provider (table)<\/h3>\n\n\n\n