The Bafang BT F011.B540.C is a battery pack with a 36 V nominal pack, a capacity of 15 Ah, 540 Wh of energy, 21700 cells and an expected life of 600 cycles with 70% capacity remaining.
Last updated: 6 September 2026
What we found
- Published as 36 V nominal · 15 Ah · 540 Wh.
- 18 specifications are published for it, each with the source it was read from.
- No matching recall was found in the records this catalogue holds from 8 regulators.
Assembled from the evidence on this page. Every figure and count below is shown with the source it was read from.
Battery and charging
- Voltage
- 36 V nominal
- Rated capacity
- 15 Ah
- Battery energy
- 540 Wh
- Cell format
- 21700 cells
- Charger current
- 3A
- Expected cycle life
- 600 cycles with 70% capacity remaining
- Least capacity declared
- At least 13.5 Ah
- Power when nearly empty and nearly full
- 108 W at 20% SOC, 432 W at 80% SOC
- Internal resistance
- No more than 120 mΩ
- Charges to
- 42V, cutting off at 250 mA
- Treated as empty at
- 27 V
- Power to energy ratio
- 178%
“Nominal Voltage (Vdc) 36”
Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf
“Rated Capacity (Ah) 15”
Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf
“Energy (Wh) 540”
Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf
“CELL 21700”
Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf
“Charger 3A”
Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf
“Expected life-time in cycle-life 600 cycles or above 2.5 years using The remaining capacity is above 70% to rated capacity after 600 times charge-discharge cycles is conducted. Test method:20 cycles every month ,2.5 years.”
Source: bafang-e.com/Uploaded/Labels/BT F011.B540.C.pdf
“Rated capacity(Ah) 13.5Ah or above”
Source: bafang-e.com/Uploaded/Labels/BT F011.B540.C.pdf
“Power(W) 108 W at 20% SOC, 432 W at 80% SOC”
Source: bafang-e.com/Uploaded/Labels/BT F011.B540.C.pdf
“Internal resistance (mΩ) ≤120 mΩ”
Source: bafang-e.com/Uploaded/Labels/BT F011.B540.C.pdf
“Charge:Constant Current Constant Voltage mode, 42V,3 A, Cut off at 250 mA”
Source: bafang-e.com/Uploaded/Labels/BT F011.B540.C.pdf
“Discharged: Constant Current mode, 3 A, Cutoff at 27 V”
Source: bafang-e.com/Uploaded/Labels/BT F011.B540.C.pdf
“432 W at 80% SOC. 178%”
Source: bafang-e.com/Uploaded/Labels/BT F011.B540.C.pdf
Size and fit
- Length
- 398 mm
- Width
- 74 mm
- Height
- 83 mm
“L (mm) 398”
Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf
“W (mm) 74”
Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf
“H (mm) 83”
Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf
Compatibility
- Removing type
- Down
“Removing Type Down”
Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf
Certification claims
- EU battery declaration
- Declared under the EU Batteries Regulation
- Certification claimed by the manufacturer
- IP X6 / UN38.3 / MSDS / CE / ISO13849 / EN50604 / UL2271
“Technical Documentation for Performance and Durability Requirements Light Means of Transport Battery According to Article 10 of (EU) 2023/1542”
Source: bafang-e.com/Uploaded/Labels/BT F011.B540.C.pdf
“Tests & Certifications IP X6 / UN38.3 / MSDS / CE / ISO13849 / EN50604 / UL2271”
Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf
Product identifiers
The codes printed on the product and its packaging.
- Model code
- BT F011.B540.C
Source: bafang-e.com/en/oem-area/components/component/battery/bt-f011b540c
BT F011.B540.C Specifications Dimensions / Size Specifications Nominal Voltage (Vdc) 36 Energy (Wh) 540 Rated Capacity (Ah) 15 Cell 21700 Charger 3A Matching Parameter Removing type Down Tests & CertiThe manufacturer's own designation for this model, usually printed on the frame or in the manual. It does not change between colours.
Bikes — none listed
No sourced compatibility evidence is on file for this battery yet.