Heltec Energy 4S 5A Active Balancer with Voltage Display

4S active balancer with voltage display for compatible LFP and NCM battery packs.

SKU: SAL-BAL-4S-5A-DISP-DS0855

$49.99

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What exactly arrives—and what can it build?

This is an active-balancing accessory, not a BMS. Confirm chemistry, series count, operating-voltage range, harness connection, and pack protection before ordering.

What you receive

1 active balancer
1 wiring harness
Basic support notes

Not included unless stated

BMS or pack protection
Charger
Fuse or disconnect
Battery cells, enclosure or installation

Specifications

Product details

4S series count
Up to 5A manufacturer-rated
Built-in voltage display
LFP / NCM compatible

Applications

Best-fit uses

12V-class LFP
4S NCM
Pack maintenance

Product information

Before you order

U.S.-stock active balancer. This product does not replace a BMS or other pack protection.

Active balancer only. It does not replace a correctly rated BMS, fuse, wiring, or charger.

Complete your build

Related guidance and products

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