Overview
The JKBMS (JIKONG) V20 Active Balance Smart BMS (Battery Management System) series covers models JK-BD6A32S10P / JK-BD6A32S15P / JK-BD6A32S10P-HCR / JK-BD6A32S15P-HCR for LiFePO4, Li-ion, and LTO battery packs. It supports active balancing (Full State On) with 0.6A balance current, built-in Bluetooth for Android/iOS monitoring, and common-port wiring for charge/discharge on the same terminals.
Key Features
- Battery strings supported: Li-ion 7S-32S; LiFePO4 8S-32S; LTO 12S-32S
- Active balancing: Active Balance (Full State On), balance current 600mA (0.6A)
- Continuous current: 100A-150A (continuous charge current 100A-150A; continuous discharge current 100A-150A)
- Peak discharge: 200A-300A (MAX 2min)
- Built-in Bluetooth: supports Android / iOS phone; download the specified Bluetooth application and activate the BMS; find the relevant serial number to check data
- Protection functions (six security protection): over charge protection; short circuit protection; over discharge protection; over current protection; all-in protection (cable drop/poor contact); over temp protection
- Power supply mode: battery pack self-powered
- Interfaces / functions shown: CAN, RS485, BT, NTC, LCD, HEAT; Soft Switch; SOC Indicator; Key Switch; Active Equalizer; Alarm; ACC
- Connection/port labels shown: Heating Interface (Customized); Temperature Interface; Balance with Acquisition Interface; Parallel Interface (Customized); ACC Interface (Customized); Buzzer Interface (Customized); UART Interface; RS485/CAN Interface (Customized); Display Interface
- Working mode switching shown: Storage Mode; Normal Working Mode; Shutdown; Standby Mode (standby state after set time; 1-30 days can be set)
Specifications
| Models | JK-BD6A32S10P; JK-BD6A32S10P-R; JK-BD6A32S10P-HC; JK-BD6A32S10P-HCR; JK-BD6A32S15P; JK-BD6A32S15P-R; JK-BD6A32S15P-HC; JK-BD6A32S15P-HCR |
| Number of battery strings (Li-ion) | 7S-32S |
| Number of battery strings (LiFePO4) | 8S-32S |
| Number of battery strings (LTO) | 12S-32S |
| Wiring output / wiring method | Common Port (same port) |
| Balance method | Active Balance (Full State On) |
| Balance current | 0.6A (600mA) |
| Conductive resistance in main circuit | 0.3mΩ |
| Continuous charge current | 100A-150A |
| Continuous discharge current | 100A-150A |
| Maximum discharge current | 200A-300A (MAX 2min) |
| Over charge protection current (ADJ) | 10-150A |
| Single cell voltage detection range | 0-5V; error < 10mV over full operating range; typical error < 5mV |
| Single cell voltage range | 1-5V |
| Voltage acquisition accuracy | ±5mV |
| Support single cell voltage dropout detection | Yes |
| Total voltage detection range | 20-130V; < 0.5% FSR (FSR = full scale) |
| Current sense shunt | -150A to 300A; error < 0.5% FSR |
| SoC estimation accuracy | Error < 8% (operating conditions) |
| Battery remaining capacity accuracy | Error range < 8% |
| Total Cycle AH cumulative value | Half of the charge/discharge value |
| Operating power consumption | < 5mA (without communication) / 15mA (485/CAN) |
| Standby power consumption | < 2mA |
| Other interfaces (Default) | RS485 |
| Other interfaces (Customized) | CANBUS/HEAT |
| Bluetooth function | Built-in; support for Android & iOS phone |
| Quantity of temperature detection | 3 pcs |
| Temperature detection range | -40 to 125°C |
| Operating temperature | -40 to 85°C |
| Storing temperature | -40 to 95°C |
| Temp protection | YES |
| Short circuit protection | YES |
| Coulomb counter | YES |
| Dimensions | 251 x 102 x 16 mm; also shown as 251 mm x 102 mm x 15.6 mm |
Interface Pin Labels (as marked)
- CANBUS (Need customization): GND, CAN_H, CAN_L
- RS485 (By default): GND, RX, TX, VCC
- LCD (By default): K-, K+, GND, B, A, VCC
- Heat Function (Need customization): marked as heat connector
Support
For pre-sales selection help (model, current rating, and interface options such as RS485/CANBUS/HEAT) or after-sales support, contact https://tsolar.top/ or email service@tsolar.top.
Details
Multiple communication and accessory interfaces support CAN/RS485 integration, Bluetooth monitoring, LCD display, NTC temperature sensing, and optional heating control.
Compact, low-profile enclosure helps with clean battery-box layouts while keeping terminals and harness connectors accessible.
Active balancing with 0.6A equalization helps keep cell voltages aligned across supported series counts.
Communication options can be configured for builds that need RS485/CANBUS data and optional battery-heating control.
Layered construction combines high-current connections with control electronics inside a protective housing.
Wiring headers are clearly labeled for CAN/RS485, LCD, and optional heat-function connections.
Live pack and cell data can be viewed on a phone over Bluetooth, including voltage, current, temperatures, and balance status.
The app interface supports device scanning, chemistry selection, and detailed cell voltage and wire-resistance readouts.
Built-in protection functions cover common fault conditions such as overcharge, short circuit, and overheating.
Selectable operating modes make it easier to manage storage, standby periods, and everyday use without unnecessary drain.
Use the model/spec table to match your pack’s series count, current requirements, and desired communication options.
