Lead Acid Battery System

Maintenance-free lead-acid battery for reliable backup and industrial power.

The RM-GMF series delivers sealed, maintenance-free lead-acid battery solutions with zero acid mist leakage, strong starting current, and long float life for UPS, telecom, industrial, and emergency power systems.

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Battery applications

Lead-acid RM-GMF series

The maintenance-free lead-acid battery series designed for UPS, telecom, and industrial backup applications.

Maintenance-Free Lead-Acid Battery application

Lead Acid Battery Applications — Vacuum Cleaners, Portable Audio Systems & Electric Mobility Vehicles

Lead Acid Battery Applications — Elevators, Lawn Mowers & Rolling Gate Systems

RM-GMF Series Specifications

Model	Voltage	Capacity	Internal Resistance	Max Discharge	20h Rate	10h Rate	5h Rate	1h Rate
6-GMF-24A	12V	24Ah	16.0mΩ	360A	24.0Ah	22.1Ah	18.9Ah	15.8Ah
6-GMF-24B	12V	24Ah	21.0mΩ	360A	24.0Ah	22.3Ah	18.0Ah	15.0Ah
6-GMF-33	12V	33Ah	13.0mΩ	396A	35.6Ah	33.0Ah	27.1Ah	22.2Ah
6-GMF-38	12V	38Ah	12.2mΩ	456A	40.8Ah	38.0Ah	31.2Ah	25.6Ah
6-GMF-40	12V	40Ah	12.2mΩ	480A	43.0Ah	40.0Ah	32.7Ah	26.9Ah
6-GMF-50A	12V	50Ah	11.8mΩ	540A	53.8Ah	50.0Ah	40.8Ah	33.6Ah
6-GMF-65	12V	65Ah	7.5mΩ	780A	70.0Ah	65.0Ah	53.4Ah	43.8Ah
6-GMF-80A	12V	80Ah	6.6mΩ	960A	86.0Ah	80.0Ah	65.7Ah	53.9Ah
6-GMF-80B	12V	80Ah	6.6mΩ	960A	86.0Ah	80.0Ah	65.7Ah	53.9Ah
6-GMF-80C	12V	80Ah	6.6mΩ	960A	86.0Ah	80.0Ah	65.7Ah	53.9Ah
6-GMF-90	12V	90Ah	5.9mΩ	1080A	96.8Ah	90.0Ah	73.8Ah	60.6Ah
6-GMF-100A	12V	100Ah	5.2mΩ	1200A	100.0Ah	92.9Ah	76.2Ah	62.6Ah
6-GMF-100B	12V	100Ah	5.2mΩ	1200A	107.6Ah	100.0Ah	81.9Ah	67.3Ah
6-GMF-120A	12V	120Ah	5.2mΩ	1440A	120.0Ah	112.0Ah	89.7Ah	71.0Ah
6-GMF-120B	12V	120Ah	4.2mΩ	1440A	129.2Ah	120.0Ah	94.5Ah	74.9Ah
6-GMF-150A	12V	150Ah	4.8mΩ	1800A	150.0Ah	143.0Ah	114.3Ah	96.0Ah
6-GMF-150B	12V	150Ah	3.8mΩ	1800A	157.4Ah	150.0Ah	121.5Ah	93.0Ah
6-GMF-150D	12V	150Ah	5.0mΩ	1800A	161.4Ah	150.0Ah	123.0Ah	101.0Ah
6-GMF-180	12V	180Ah	5.5mΩ	2160A	193.8Ah	180.0Ah	147.9Ah	121.0Ah
6-GMF-190	12V	190Ah	4.0mΩ	2280A	206.0Ah	190.0Ah	156.0Ah	128.0Ah
6-GMF-200A	12V	200Ah	4.0mΩ	2400A	216.0Ah	200.0Ah	164.1Ah	135.0Ah
6-GMF-200B	12V	200Ah	4.0mΩ	2400A	216.0Ah	200.0Ah	164.1Ah	135.0Ah
6-GMF-250A	12V	250Ah	3.8mΩ	3000A	270.0Ah	250.0Ah	205.2Ah	168.0Ah

Reliable lead-acid power for mission-critical systems

The RM-GMF maintenance-free lead-acid battery offers sealed reliability with no water or acid replenishment required during operation. Its robust construction delivers stable performance in UPS, telecom, security, and industrial standby applications.

Designed for both float charging and cyclic use, the RM-GMF series supports long-term standby operation, strong starting current, and consistent energy delivery under changing load conditions.

Why choose RM-GMF?

• Sealed maintenance-free design with zero acid mist leakage.
• High starting current and stable discharge for emergency systems.
• Compatible with horizontal or vertical installation layouts.
• Strong water regeneration and corrosion-resistant grid design for long life.

Application scenarios

Engineered for backup, mobility, and remote power systems

The RM-GMF series is ideal for UPS cabinets, telecom base stations, solar street lighting, emergency power for forklifts and vehicles, and a wide range of industrial standby applications.

UPS backup power for data centers, telecom shelters, and security monitoring equipment

Solar street lighting and remote outdoor power systems

Automobile and motorcycle starting systems

Emergency power for forklifts, boats, and mobile workstations

DC power supplies for instruments, control systems, and power distribution cabinets

Floor-standing and rack-mounted battery banks for industrial use

Core product features

✓ Sealed maintenance-free design with no water replenishment or liquid level checks required.
✓ Low self-discharge and high starting current for reliable UPS and telecom backup performance.
✓ Safe, eco-friendly construction with zero acid mist leakage and strong corrosion resistance.
✓ Flexible installation options for horizontal or vertical mounting across industrial systems.
✓ Long service life with optimized grid alloys and stable reaction efficiency throughout the battery life.
✓ High-rate discharge performance for emergency power, security systems, and mobile applications.

Get Your Custom Power Solution

Our power engineers are ready to design the perfect UPS solution for your critical infrastructure. Get a detailed quote and technical consultation.

Phone Support

+86-21-61346169

24/7 Technical Support

Email

sales@rack-mount-ups.com

Response within 2 hours

Location

No. 1, Lane 2633, Hunan Road

Pudong New Area, Shanghai, China