JBD SP04S034 — low S-count BMS for 3–4S LiFePO4 and Li-ion packs. Passive balancing. External Bluetooth dongle. UART and RS485 communication. Heating function and switch control. Common-port design.
Specs verified Oct 15, 2026
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Prices tracked across 2 sellersPrice History
Price History
Price changes tracked by the crawler
Current best price $99.99. Over the past 90 days: low $99.99, high $99.99, average $99.99 — about average.
- 18650 Battery
- IMR Batteries
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