£53.93

JKBMS Smart BMS 8S-20S 40A 0.4A Active Balance Build-in Bluetooth with RS485 PCB Battery Protection Board Li-ion LiFePO4 LTO Lithium Battery Pack (JK-BD4A20S4P)

Jk Bms, JK-BD4A20S4P

Price data last checked 21 day(s) ago - will refresh soon

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About as cheap as it gets. The only time it was cheaper was 5 months ago.

£54 today · all-time low £53 (Jan 2026) · usually the usual

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Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 83 days · 54 data points (no recent data)

Historical
Generating forecast…
£55.38 £52.43 £53.08 £53.72 £54.36 £55.00 £55.65 02 December 2025 22 December 2025 12 January 2026 01 February 2026 22 February 2026

Price Distribution

Price distribution over 83 days • 3 price levels

Days at Price
Current Price
24 days 29 days · current 1 day 0 7 15 22 29 £53 £54 £55 Days at Price

Price Analysis

Most common price: £54 (29 days, 53.7%)

Price range: £53 - £55

Price levels: 3 different prices over 54 days

Key Features

Enhanced Safety: Safeguard your battery with protection against overcharging, overdischarging, overcurrent, short circuits, and temperature extremes. JKBMS Active Equalization extends battery life and enhances performance

Easy Connection: Effortlessly manage your battery with JK BMS mobile app for Android and iOS. Bluetooth connectivity allows you to monitor status, adjust settings, and control charging/discharging from your device

Wide Application: This versatile BMS works with Li-ion, LiFePO4, and LTO batteries. Suitable for electric motorbike,electric scooter,and so on, it offers seamless integration and top performance

After-Sales Support: If you have any questions or concerns, please contact us through your order page. We are committed to providing assistance and ensuring your satisfaction with our 1-year support

Packing List: Includes Smart BMS (JK-BD4A20S4P) * 1,Wires (70cm) * 1,Switch (50cm) * 1,NTC (40cm) * 1,Operate manual * 1,(RS485 converter not included).Everything you need for setup and operation

Product Specifications
Brand
JKBMS
Model
JK-BD4A20S4P
Colour
Jk Bms
Size
Jk-bd4a20s4p
ASIN
B0D17SXJJ2
Category
Electronics & Photo > Power Accessories > International Power Adapters
Domain
Amazon UK
Listed Since
13 June 2025