![52V 25A Controller suit Dragon Cyclone / Cyclone Pro (White JST XH Connectors) [JP/Langfeite], Type: B (Rear / Main)](https://d2j6dbq0eux0bg.cloudfront.net/images/60508924/4448178830.jpg "52V 25A Controller suit Dragon Cyclone / Cyclone Pro (White JST XH Connectors) [JP/Langfeite]")
![48V 25A Controller suit Dragon GTR V2, GTS V2, 48V GTR & Dragon Cyclone (8" Dual) (Black JST SM connectors) [JP]](https://d2j6dbq0eux0bg.cloudfront.net/images/60508924/4087762898.jpg "48V 25A Controller suit Dragon GTR V2, GTS V2, 48V GTR & Dragon Cyclone (8\" Dual) (Black JST SM connectors) [JP]")
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52V 25A Controller suit Dragon Cyclone / Cyclone Pro (White JST XH Connectors) [JP/Langfeite]
SKU JP-52V25A-XHB/B-REAR
AU$136.36
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52V 25A Controller suit Dragon Cyclone / Cyclone Pro (White JST XH Connectors) [JP/Langfeite]
Product Details
Brand: JP by eScootNow
- JP (Jinpin) Controller suits 52V models such Dragon Cyclone Pro (10", single or dual motor versions) that adopt the newer white JST XH connectors (rather than black JST SM connectors, see notes below).
- Makes/models using this system are easily identified by having a JP throttle/display.
- 52 volts (V), 25 amps (A) current = 1300 watts (w) at 52V, or 1450w at 58V (x2 controllers = 2600-2900w combined peak power output over both wheels).
- Low voltage cut-off at 40V.
- Square Wave (no hall sensor wires).
- Each controller is 90mm x 52mm x 30mm.
- Supplied as Dragon Factory spare, Langfeite branded JP controller.
- Typically required as replacement when display presents controller failure error (cube/box on display) or motor runs rough (like combustion engine missing a cylinder).
- Order both A and B controller for both front and rear. It is worthwhile ordering A+B together as set/pair if renewing due to water ingress. This also provides better likelihood of controllers being interoperable (matching pair). The Cyclone 10 (non-Pro) single motor would run just the B (Rear/Main) controller.
Notes:
- The low voltage cut-off defines the voltage at which the controller will "cut off" and no longer draw any power from the battery pack to prevent excessive discharge. The value is represented on the controller nameplate. For example with a 48V system, the product is factory configured to 37 volts, this is fixed and cannot be user-defined. If voltage drops to this level, the controller will turn off (shut down). This will typically occur under heavy throttle at low battery level (watch the voltage reading on the display when riding). It is one of the several methods of low voltage protection. Battery Management System (BMS) low voltage protection, which is a secondary protection, works in similar manner though self-resettable fuse in the BMS kicks in to power off the scooter, the scooter cannot be powered on until charger is connected. The BMS Low Voltage Cut-Off is typically marked on the battery pack nameplate. The third mechanism to protect from undervoltage is the P setting (throttle/display user manual), P1: "Undervoltage", this value can be user-set in 0.5v increments. The P1 setting provides a "graceful" implementation by reducing throttle (effectively mode/gear 1, or a "limp" mode) when the threshold is reached to protect excessive low voltage on the battery chemistry. For 48V (see the reference graph) systems with high endurance cells, eSN recommends this be set to 42 volts as the 37V current limit on the controller is pretty low. You can watch your voltage drop when throttling heavy on low battery. High output packs such as those on the GTR v2 controllers when paired with high demand battery packs will drop less voltage than the same controller on high endurance packs.
Undervoltage handled is undertaken by the controller (progressive "limp modes") in accordance with the following table for 52V. - Naming convention A (Front) and B (Rear) derived from Jinpin and are consistent with common terminology adopted by Bike Scooter City and reflective in their product listings. This convention is also adopted on Zero makes/models, whereas the opposite A/B convention is used by Kaabo and NAMI where A denotes the Rear Master. In all instances, the display/throttle and the bulk of the other other cables connect to the Rear controller. The front controller is is the secondary or slave, Kaabo refer to the front as Deputy, Jinpin simply adopt designation type A.
- Other regional stockists (online) include Bike Scooter City Sumner Park (Brisbane) and eOzzie Melbourne.
- Note specific to Dragon Cyclone series, this controller is for newer Cyclone Pro models (generally 2024 onwards) and the B Rear likely suitable for Cyclone 10" Single (as a 25A). The JST XH type (white connectors) is required on these models as they adopt a Langfeite branded controller and wire collection board.
- For the original model 8" non-Pro (that is, the 8" dual motor model), consider the 48V controllers.
- For the newer Cyclone Single Motor model (10"), which is a 52V system on 30A (introduced early 2024), you will find the system is most likely using JST XH, ideally a 30A controller to match the original should be used.
Check your Cyclone model to see if it has XBB or SM connectors. The image below shows JST XH connectors and XH wire collection board on a late 23 / early 24 Cyclone Pro:
- Refer to the 48V 25A suit Dragon GTR V2, GTS V2, 48V GTR & Dragon Cyclone (Non-Pro) [JP] page for further information about the various JP controllers across Dragon models.
- Evolution of controller and connectors
Jinpin make incremental revisions to these controllers. For example, the earlier controllers were of different size (larger/fatter) enclosure. You will observe some variations with the wiring and number of connectors, often these have been "bolted on" for additional functionality, such as security devices and other switching instrumentation. Typically the newer revisions are "backward compatible" with previous versions. The first product image shown reflects precisely the stock on hand and that is what you will be working with. The wiring can generally be determined easily from colours and some logical thinking, with some help of the additional photos and diagrams on this product page. It is good practice to sticking the connectors down with Blue Tac adhesive and taking a photograph of the connectors, polarity/orientation and wire colours. Many of the colour conventions adopted are universal, such as the wire colours adopted on Kaabo makes.
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