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Free Customs Tax bike battery with USB 48V 17.5Ah Li-ion Ebike battery for 8Fun/Bafang BBS02B BBSHD 48V 750W 1000W Motor
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Free Customs Tax bike battery with USB 48V 17.5Ah Li-ion Ebike battery for 8Fun/Bafang BBS02B BBSHD 48V 750W 1000W Motor
US EU Free Tax Powerful Hailong battery with USB 48V 17.5Ah Li-ion electric bike battery for 8Fun/Bafang 1000W BBSHD BBS03 mid drive electric motor kit
1. With USB port can charge Cell Phone and Bluetooth Speaker
2. New slim shark style Case Battery with power button
3. Convenient Charge Port support 4A faster charge
4. Waterproof and Solid plastic Case
5. Lighted battery LED power Indicator
6. Lock with Keys securely locks the mount on bike frame
Electric Bike Battery Specifications:
Nominal Voltage: 48V
Nominal Capacity: 17.5Ah
Composed Type: 13Series 5Paralles 13S5P
Cells: LG or Sanyo NCR18650GA 3.7V 3450mAh 10A 3C Cells
BMS: 30 Amp continuous 7010Amp maximum
Fit Motor Power : 48V 350W 500W 750W 1000W
Charge Current: 2-5A
Charge Cut-off Voltage: 54.6V
Discharge Cut-off Voltage: 39V
Discharge Temperature: -20 to 65C
Charge Temperature: 0 to 45C
Dimensions: 90*110*360mm
Battery Weight: 4.5kg
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This shipping method is the fastest available. Delivery times are between 3 - 5 days to all major destinations. Shipping costs vary with item, but all orders that use expedited shipping will receive a 36% discount on shipping costs.We also have Expedited options available for most items, which means your order will arrive 3 or 4 business days after it leaves the warehouse.
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We're committed to your total satisfaction. If, for any reason, you're not completely happy with your purchase, you can get a full refund of the product price and any associated tax, within 365 business days of receipt of the item(s). To receive either a credit toward an exchange or a credit on your charge account, please note that all returns and exchanges must be in new, unused or unworn condition with the original tags and stickers attached. Items deemed worn, used, dirty or missing tags will be returned to purchaser at their expense and no refund will be issued. Since lost return shipments are the responsibility of the customer, be sure to obtain a tracking number from the courier for the return shipment.
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(1) How to calculate charging voltage for battery?
Normally single cell charging voltage for li-ion is 4.2V, and single cell charging voltage for LiFePO4 is 3.65V; Single cell(12V) charging voltage for lead acid battery is 14.7V, therefore charging voltages for batteries are as follows:
24V LiFePO4 battery (8 cells in series): 8x3.65V=29.2V;
24V Li-ion battery (7 cells in series): 7x4.2V=29.4V;
24V Lead acid battery (2 cells in series): 2x14.7V=29.4V
36V LiFePO4 battery (12 cells in series): 12x3.65v=43.8V
36V Li-ion battery (10 cells in series): 10x4.2v=42V
36V Lead acid(3 cells in series): 3x14.7v=44.1V
48V LiFePO4 battery (16 cells in series): 16x3.65v=58.4V
48V Li-ion battery (13 cells in series): 13x4.2v=54.6V
48V Lead acid battery (4 cells in series): 4x14.7v=58.8V
60V Lead acid battery (5 cells in series): 5x14.7v=73.5V
If your battery is different voltage, please inform us. Or if your battery is with different cells number in series, you can calculate the charging voltage yourself
(2)How to caculate the speed of the Rim size
(rpm)×3.14×(inch)Rim Size ×0.0254×60/1000
25km/h for 20" Rim ==rpm is 261
25km/h for 22" Rim ==rpm is 237
25km/h for 24" Rim ==rpm is 218
25km/h for 26" Rim ==rpm is 201
25km/h for 28" Rim ==rpm is 187
25km/h for 700C Rim ==rpm is 187
The code 16 motor is rated at 192 RPM. The code 15 is 205. The code 14 is 215. The code13 is 230. The code 12 is 250. The code 11 is 280. The code 10 is 300. The code 9 is 335. And the code 8 is 378. That's right, mind you all of these specifications are directly from the engineers of Bafang.
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