Bosch CX performance battery charging problem

Teslatim

Just Joined
Feb 22, 2019
1
0
Looking for advice. I tried to charge my 500W battery after leaving it for 1 week almost empty. After 5 hours still only 1 bar illuminated and no other leds flashing with charger connected and on either on the bike or removed. Held battery on/off button for 15 seconds, it flashed once then started flashing indicating charging until 2nd led illuminated after which charging again stopped with 2 leds on. Have tried holding down power button for 15 secs again but it is not charging.
 

Nealh

Esteemed Pedelecer
Aug 7, 2014
20,224
8,248
60
West Sx RH
Most Likely you need to visit a Bosch retailer if a cell group has drained below lvc then it (bms) won't switch on /allow charging to occur.
 

wheeliepete

Esteemed Pedelecer
Feb 28, 2016
2,047
755
60
Devon
A Bosch service centre will be able to carry out a battery health check for you, you need to take in the complete bike for this, not just the battery.
 

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