Back to Product Categories

Gel Battery

12V250AH Gel Battery

12V250AH VRLA gel battery for solar, wind, telecom, UPS and maintenance-free backup power applications.

CategoryGel Battery
DocumentComplete text, images and tables retained
BrandAilumPower
12V250AH Gel Battery product image

Product Images

All available product images from the supplied folder and document are preserved below.

12V250AH Gel Battery product image

Complete Product Information

The following content retains the source document text, pictures, parameters and tables.

I. Features

1. VRLA gel battery with advanced technology

2. No free electrolyte, no acid mist, maintenance-free

3. Suitable for solar, wind, telecom, UPS, etc.

4. Float design life over 8 years

5. Low self-discharge (≤3%/month), suitable for long storage

II. Technical Parameters

Rated Voltage 12V
Rated Capacity (10hr, 1.80V/cell, 25°C) 250Ah
Weight 65.5Kg
Max Discharge Current 30I10A (3min)
Max Charge Current ≤0.25C10
Self-discharge (25°C) ≤3%/month
Case Material ABS
Dimensions (L×W×H) 525×268×220mm
Total Height with Terminals 220mm

III. Operating Conditions

Temperature Range Discharge: -45°C~50°C Charge: -20°C~45°C Storage: -30°C~40°C
Charge Voltage (25°C) Float: 13.5V-13.8V Equalize: 14.4V-14.8V
Charge Method (25°C) Float: 2.275±0.025V/Cell, ±3mV/Cell °C Cycle: 2.45±0.05V/Cell, ±5mV/Cell °C
Temp vs Capacity 105% @ 40°C 82% @ 0°C 68% @ -20°C

IV. Discharge Current (A, 25°C) at Different Cut-off Voltages & Discharge Durations

Cut-off Voltage (V/Cell) 1H 3H 5H 10H 20H 50H 100H 120H 240H
1.70 132.75 60.35 40.33 26.02 13.44 5.65 3.07 2.72 1.43
1.75 130.10 59.73 39.62 25.65 13.13 5.43 2.87 2.53 1.33
1.80 127.50 59.17 39.00 25.00 12.81 5.25 2.75 2.37 1.27
1.85 122.40 58.83 38.25 23.97 12.19 5.03 2.57 2.22 1.15
1.90 117.52 58.32 37.68 23.47 11.98 4.88 2.48 2.12 1.08
1.95 112.35 57.15 36.90 22.17 11.15 4.53 2.35 2.02 1.03

V. Certifications

• IEC 61427-2005

• GB/T 19001-2016 idt ISO 9001:2015

• EN IEC 61000-6-2:2019, EN IEC 61000-6-4:2019

• EN IEC 61000-3-2:2019+A1:2021

• IEC 61000-3-2:2013+AI:2019

Product dimensions and specifications are subject to change without notice. Please refer to the latest physical product for final details.