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Selection Chart

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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 NERC Compliance BMS and Software
90 x 1.2V NiCad

Sentry-6002NiCad

Sentry-6002NEMA x 2 units

Up to 100 x 1.2V per unit

Or use Sentry-2412 for every 4-cell
30 x 4V Sentry-6002NEMA-120-4V 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 x 2 units NERC Compliance BMS and Software
180 x 1.2V NiCad

Sentry-6002NEMA x 3 units

Sentry-6002NiCad x 2 units
Or use 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 ā€œCā€ 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 ā€œCā€ for Cycling

120/240V

288/300V

20 x 6V
10 x 12V, 20 x 12V
24 x 12V, 25 x 12V

Sentry-25C Individual battery performance evaluation
480 / 600V

40 x 12V
48 x 12V
50 x 12V

Sentry-25C x 2 units One Ethernet DTU-800 manages 8 units

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)