Maxon BikeDrive AIR S range extender BX250E S (Maxon P/N 885912) for the Paratu CP SL (400 + 250 = 650 Wh) and the Paratu CP LR (400 or 600 + 250 = up to 850 Wh).
Includes the 45–90° connecting cable (Maxon P/N 907775) with the AIR S click-fix closure (push until it clicks — no bayonet to turn). On the Paratu CP the range extender needs this cable; it is included in this price.
Part No.: 885912 (Maxon "Range Extender 250", BikeDrive AIR S)
Capacity: 250 Wh
Voltage: 36 V
Weight: 1.6 kg
System: Maxon BikeDrive AIR S
Charges the main battery while you ride. Mounts on the bottle-cage mounts with the range extender cage and rubber strap.
See the range extender manual (AIR + AIR S).
Shipping: lithium batteries ship as dangerous goods (DG). + USD 169 shipping incl. DG per battery (a range-extender pair = one fee) — free with a frame kit. This is the whole shipping charge for the battery — no other shipping is added. Per battery: 600 Wh USD 225, 400 Wh USD 199, range extender 250 Wh USD 169. Added in the cart automatically.
Fits
✅ Paratu CP SL (Maxon BikeDrive AIR S)
✅ Paratu CP LR (Maxon BikeDrive AIR S)
❌ E-Menace / Paratu HL (original BikeDrive AIR, bayonet cable)
Questions: sales@bikelab-inc.com