DALY SMART BMS 7-17S 100A NON WATERPROOF

DALY Smart BMS 7-17S 100A Non-Waterproof

The DALY Smart BMS 7-17S 100A Non-Waterproof is a smart battery management system for compatible lithium battery packs built with seven to seventeen series-connected cell groups. Its 100A continuous discharge rating makes it suitable for higher-current battery systems where pack protection, battery supervision and organized power control are required in a compact BMS platform. The non-waterproof construction is intended for installation inside a dry, protected battery enclosure rather than direct exposure to moisture, spray or condensation.

A smart BMS does more than carry current. It monitors pack operating conditions and manages protective functions according to the configured battery chemistry and series count. The 7S-17S range gives battery builders flexibility across several pack voltages, while the actual nominal and charge voltage depend on chemistry and the number of series groups. Communication and monitoring accessories should be matched to the specific DALY smart-BMS interface used in the installation so the BMS, harness and optional monitoring hardware work as one system.

Series count, battery chemistry, continuous current demand and thermal management are the primary engineering variables for this BMS. A 7S-17S rating defines the supported cell-group range; it does not represent one fixed battery voltage. A lithium-ion and a LiFePO4 pack with the same series count operate at different cell voltages, so the configured chemistry must match the cells used in the battery.

The 100A continuous discharge rating describes the BMS current class, but the complete current path must be engineered as a system. Main cables, terminals, connector contact resistance, fuse or breaker selection, enclosure airflow and duty cycle all influence voltage drop and heat generation. Charge-current limits, peak-current behavior and protection thresholds are separate parameters and should be taken from the configured BMS specification rather than inferred from the 100A discharge figure. Correct mechanical mounting and heat dissipation are also important when the pack operates near its sustained current requirement.

Choose the BMS only after fixing the battery chemistry, series count and current requirement of the finished pack. The battery must remain within the 7S-17S range and the BMS configuration must match the cell chemistry. Match the balance harness, main negative connection arrangement and any Bluetooth, UART or other smart-accessory interface to the supplied BMS version before final wiring. Because this model is non-waterproof, the enclosure should provide the environmental protection needed by the application.

Applications

• Lithium battery packs configured within the compatible 7S-17S series range.

• Electric two-wheeler and three-wheeler battery systems where the voltage and current requirements match.

• Solar, ESS and backup battery packs using a compatible DALY smart-BMS configuration.

• UPS, inverter and portable energy systems requiring a 100A-class smart BMS.

• Custom battery development, service and production projects requiring battery monitoring and protection.

Installation Guide

Identify battery chemistry and series count before connecting the balance harness. Verify every cell-group voltage in sequence with a suitable meter before plugging the harness into the BMS. Use correctly sized main power conductors and properly crimped terminals. Because this model is non-waterproof, mount it in a dry, protected location with adequate electrical insulation and mechanical support. Do not place the board where condensation, conductive debris or direct water exposure can reach it.

Why Choose ARB Accessories?

ARB Accessories is a B2B supplier focused on lithium-ion batteries, energy storage and EV components. Its catalog covers BMS products, battery components, testing equipment, manufacturing machinery and related industrial accessories, allowing battery manufacturers, OEMs, distributors and service businesses to source multiple categories through one technical procurement platform.