Modérateurs: uranus-13, ycorp, chris-s
Jean-benoit a écrit:Bonsoir
Donc c'est bon, les paramètres de charge peuvent être modifiés pour les batteries li ion .
Slts
glnc222 a écrit:XV models require a 4 series of Lithium Ion 4.2v max for the system voltage (original 12 series NiMh 1.2v each cell). Parallel pairs are used to increase capacity when the individual cells are too small. It is best to use LiNMC safer cells as used in the original page 1 project -- lower capacity than some others, but safer. Some newer model cells may be available with higher capacity. New chemical formulas have been appearing. The original XV battery was 3200 mah capacity. Adding more capacity will not increase the run time as the charge usage is programmed. An unused portion is kept to prevent damaging deep discharge. Use only major brand cells, Panasonic, Samsung etc. for quality assurance with fire hazards in lithium batteries.
All cells 18650 size (18x65mm) for high drain types. Welded tabs for soldering are preferred for safe soldering with lithium cells. The Akutiel German distributor attaches tabs.
The original German project used four Samsung cells for less than the full run time possible with the XV. Other German projects used 8 cells for higher capacity.
NOTE Neato Rev64 Binky newer system board required to use the SetConfig command for lithium charging configuration. For older Rev113 Cruz system boards (with side charging jack) a different method with balancer board for heating thermistors is needed -- used in the original German project at Roboter-Forum.
Salvage thermistors and polyfuses, thermal fuses from discarded NiMh packs. However, these functions are replaced by the protection circuit boards.
Jean-benoit a écrit:Bonsoir,
Perso aucune !
Attention les batteries Li ion cela reste dangereux donc compte tenu du risque, perso, j'opte uniquement pour des batteries de marque ( Panasonic, Samsung...) certes, c'est beaucoup plus cher mais c'est pas la même qualité elles dure beaucoup plus longtemps et, les capacités annoncées sont réelles.
Lokean a écrit:J'ai reçu mes 4 Sony VTC6 et 2 BMS 7,2V, je vais pouvoir attaquer l'assemblage
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