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Discharge Current
40A60A$36.35
JK BMS BD4A series — active balancing BMS with 0.4A balance current. Supports 4–8S configurations for Li-ion, LiFePO4, and LTO chemistries. Built-in Bluetooth with per-cell voltage monitoring via JK BMS app. Optional RS485 + CAN module add-on. Common-port design.
Specs verified Jul 29, 2026
Where to Find
Prices tracked across 1 seller* WattWorks may earn a commission from some sellers linked here. Sellers are ranked by total price and stock status only. Learn more
Price History
Price History
Price changes tracked by the crawler
Current best price $73.13. Over the past 90 days: low $73.13, high $73.13, average $73.13 — about average.
- AliExpress
All Records
31 price records in this period
| Date | Price | Shipping | Total | Change | Coupon | Rating | Sales | In Stock | Status |
|---|---|---|---|---|---|---|---|---|---|
AliExpress(31 records) | |||||||||
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $36.78 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $36.35 | $0.00 | $36.35 | $36.78 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:04 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:03 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:03 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:03 PM | $73.13 | $0.00 | $73.13 | $0.00 | — | — | — | Yes | active |
| Jul 29, 202611:03 PM | $73.13 | $0.00 | $73.13 | Initial | — | — | — | Yes | active |
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Specifications
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