Battery Electrical Specifications

Battery type

Lithium battery (external), supported models: ESM-4850A3, ESM-48100B1, and ESM-48150B1

Dimensions (H x W x D)

ESM-4850A3/ESM-48100B1:

• 130 mm x 442 mm x 396 mm (excluding mounting ears)
• 130 mm x 482 mm x 396 mm (including mounting ears)

ESM-48150B1:

• 160 mm x 442 mm x 560 mm (excluding mounting ears)
• 160 mm x 482 mm x 560 mm (including mounting ears)

Weight

ESM-4850A3: 35 kg; ESM-48100B1: 44 kg; ESM-48150B1: 65 kg

Maximum discharge power of a single battery

50 Ah: ≤ 4 kW (single battery module)

100 Ah/150 Ah: ≤ 4.3 kW (single battery module)

Battery capacity

50–2400 Ah

Rated battery voltage

48 V DC (50 Ah/100 Ah)

51.2 V DC (150 Ah)

Battery quantity

Single UPS/Parallel system: A maximum of eight batteries of the same model can be connected in parallel.

Charge current limit

10–30 A

Equalized charge voltage

50 Ah: 53.5 V DC

100 Ah/150 Ah: 54 V DC

Float charge voltage

50 Ah: 51 V DC

100 Ah/150 Ah: The battery float charge voltage is adjusted by the DC-DC inside the BMS. The UPS does not distinguish the equalized charge voltage from the float charge voltage.

Operating temperature

Charge: 0°C to 45°C; discharge: –20°C to +45°C

Humidity

5%–95% RH