Sentry Models
Made in USA, 10+ models cover all Telecom, UPS and utility DC applications, for any scale. UL certified and CE marking.
- All models (except NB4/8) have a 4-pin port for HMI for service/calibration or permanent onsite display.
- Battery Analyzer PC software is supplied and compatible with all models.
- Integration options: Modbus-RTU via RS232/RS485, Modbus-TCP, SNMP, Database Query, and Web page embedding.
- NERC Auto-fill Excel software is available for customizing battery service reporting for NERC compliance.
- 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 12V
4 x 6V 2 x 12V |
Telecom cell sites, micro/5G sites
Cable/Broadband cabinets Traffic light backup power Solar powered radio stations |
Sentry-NB4T | ![]() |
2 x 12V 3 x 12V
4 x 12V 4 x 6V |
[with Active Balancing] Traffic light backup power
Solar powered radio stations |
Sentry-NB8 | ![]() |
4 x 12V, 1 or 2 strings
4 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 unit100 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 |