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Sentry Models

Made in USA, 10+ models cover all Telecom, UPS and utility DC applications, for any scale. UL certified and CE marking.

  1. All models (except NB4/8) have a 4-pin port for HMI for service/calibration or permanent onsite display.
  2. Centralized dashboard Master-800 can manage hundreds of remote units efficiently.
    Legacy software Battery Analyzer PC software is supplied and compatible with all models.
  3. NERC Auto-fill Excel software is available for customizing battery service reporting for NERC compliance.
  4. MyBattery Platform™ and Geo-map reporting are recommended for large scale Telecom/Utility applications.

SOH/SOC/Runtime algorithm has been implemented to all Telecom 24V/48V models.

Model Photo Max Batt# per Unit Applications
Sentry-NB4 4 x 12V4 x 6V

2 x 12V

Telecom cell sites, micro/5G sites

Cable/Broadband cabinets

Traffic light backup power

Solar powered radio stations

Sentry-NB8 4 x 12V, 1 or 2 strings4 x 6V, 1 or 2 strings

2 x 12V, 1 or 2 strings

Telecom cell sites, micro/5G sites

Cable/Broadband cabinets

Traffic light backup power

Solar powered radio stations

Sentry-S6 4 x 12V, 3 to 6 strings Telecom sites, -48V
Sentry-S15 2 x 12V, 3 to 15 strings Telecom sites, 24V
Sentry-1202 12 x 2V Telecom sites, 24V

NiCad 9 x 1.2V (12V system)

Sentry-2402 24 x 2V Telecom plants and sites, -48V
Sentry-2412 24 x 12V

10 x 12V

20 x 6V

Medium-size UPS (100 to 350VDC)

Utility (NERC) switchgear 120/240VDC

NiCad 120/240V multi-cell monitoring

High Voltage Bank (Two units for 48 x 12V)

Sentry-4412HV 44 x 12V

40 x 12V

32 x 16V

Large UPS (High Ripple/Noise online UPS)
[Pre-configured for popular 40x12V]
Sentry-6002NEMA 60 x 2V per unit

100 x 1.2V NiCad

NERC Compliance

Utility substations and generation plants with 120VDC or 240VDC bank

NiCad 110/220VDC (up to 100 x 1.2V per unit)

Large UPS with 240 x 2V

Selection Chart

Selection Chart Printout (pdf)

Backup / Stationary Battery Applications

Voltage Battery Configuration Sentry Model Notes
24V 12x2V Sentry-1202 Telecom SOH, SOC, Runtime
2 x 12V, 1 string Sentry-NB4 Telecom SOH, SOC, Runtime
2 x 12V, 1 or 2 strings Sentry-NB8 Telecom SOH, SOC, Runtime
Genset 2 x 12V
1 or 2 strings
Sentry-GenPro Cranking capacity CCA evaluation
2 x 12V, 3 to 15 strings Sentry-0212S15 Telecom SOH, SOC, Runtime
-48V 24 x 2V Sentry-2402W2 Telecom SOH, SOC, Runtime
4 x 12V, 1 string Sentry-NB4 Telecom SOH, SOC, Runtime
4 x 12V, 1 or 2 strings Sentry-NB8 Telecom SOH, SOC, Runtime
4 x 12V, 3 to 6 strings Sentry-0412S6 Telecom SOH, SOC, Runtime
120V 60 x 2V Sentry-6002NEMA-120 NERC Compliance BMS and Software
90 x 1.2V NiCad Sentry-6002NC-120 Up to 100 x 1.2V per unit

Or Sentry-2412-120 for every 4-cell

30 x 4V Sentry-6004NEMA-120 Modified model for 30 x 4V.
20 x 6V Sentry-2412-120 Set to 20 channels with HMI
10 x 12V Sentry-2412-120 Set to 10 channels with HMI
240V 120 x 2V Sentry-6002NEMA-120 x 2 units

Sentry-6004NEMA-240 (every 2-cell)

NERC Compliance BMS and Software
180 x 1.2V NiCad Sentry-6002NC-120 x 2 units

Sentry-6002NC-240 (every 2-cell)

Or Sentry-2412 for every 8-cell
20 x 12V Sentry-2412 Set to 20 channels with HMI
288V 24 x 12V Sentry-2412 Default for 24 x 12V
384V 32 x 12V Sentry-4412HV Set to 32 channels with HMI
480V 40 x 12V Sentry-4412HV Including less than 40 x 12V and 30 x 16V
528V 44 x 12V Sentry-4412HV Including 41, 42, 43 x 12V and 32 x 16V
576V 48 x 12V Sentry-2412 x 2 units Unit A (Ethernet) + B (Serial)

Solar or Cycling Applications

Voltage Battery Configuration Sentry Model Notes
24V 12 x 2V Sentry-24C Individual cell performance evaluation
2 x 12V, 1 string Sentry-NB4 Software setting for Cycling mode
2 x 12V, 1 or 2 strings Sentry-NB8 Software setting for 1 or 2 strings
2 x 12V, 3 to 15 strings Sentry-0212S15C Order with “C” for Cycling
-48V 24 x 2V Sentry-24C Individual cell performance evaluation. NEMA enclosure for installation in wet-cell battery room.
4 x 12V, 1 string Sentry-NB4 Set to Cycling mode
4 x 12V, 1 or 2 strings Sentry-NB8 Set to Cycling mode
4 x 12V, 3 to 6 strings Sentry-0412S6C Order with “C” for Cycling
120/240V

480/600V

flexible battery configuration Combinations Contact BatteryDAQ for solutions

[Models for lead acid cannot be used for lithium-ion batteries]

Thermal Runaway Prevention

Battery Bank Voltage 24/36/48V (18 to 60V) 120/240/384/480/540V (100 to 600V)
Model Sentry-FT (Telecom Version) Sentry-FTHV (High Voltage Version)