What is the self-discharge rate?

The self-discharge rate is low, approximately 3% per month.

What are the charging voltage requirements?

Floating charge voltage is 2.23 to 2.27 per unit cell; cycle use voltage is 2.35 to 2.45 per unit cell.

Free Maintance Sealed Deep Cycle Solar Storage Gel Solar Battery 12V 250ah

Name: Free Maintance Sealed Deep Cycle Solar Storage Gel Solar Battery 12V 250ah
Brand: Nantong Gamko New Energy Co., Ltd.
SKU: 1953482822

Jiangsu, ChinaNantong Gamko New Energy Co., Ltd.

US$246.00

1-9 Pieces

US$205.00

10+ Pieces

Product profile

Customization

Available

Type

Lead-Acid Batteries

Usage

Car, Electric Power

Model NO.

6-CNJ-250

Nominal Voltage

12V

Discharge Rate

Low Discharge Rate

Shape

Square Battery

Electrolyte

Acid

Installation

Fixed

Rechargeable

Chargeable

Transport Package

Carton/Pallet

Specification

522*268*220mm

Trademark

GAMKO

Origin

China

HS Code

8507200000

Production Capacity

500PCS/Day

Key features

Maintenance-Free Design: Sealed lead acid battery with oxygen cycle recombination, no electrolyte needed.

Long Shelf Life: Low self-discharge rate allows storage for up to one year without charging.

High Conductivity Terminals: Silver-coated copper and brass insert terminals ensure superior electric conductivity.

Versatile Applications: Suitable for solar/wind systems, marine, medical devices, and emergency lighting.

Flexible Orientation: Can be operated in virtually any orientation without capacity loss or leakage.

Durable Lifespan: Lead acid battery lifespan is approximately 5-10 years for Gamko-Solar products.

Fast Delivery: Bulk orders can be delivered within 15 days.

24-Hour Support: 24-hour after-service consultancy available to solve technical problems easily.

Company profile

Nantong Gamko New Energy Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤4.39h

About Our Factory & Business Background

Address10 #-B-1f, No. 606, Kaifa Avenue, Dagong Sci&Tech Industrial Park, Haian County, Prc, Nantong, Jiangsu, China

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsSolar Panel, Solar System, Solar Inverter, Cable, Solar Bracket, Solar Air Condition, Solar Controller, PV Connector, Solar Refrigerator, Solar Battery

Our Industry Experience & Global Business Record

Main MarketsAfrica, Eastern Asia, Western Europe, Mid East, Eastern Europe

Product Q&A

Q:How to choose a right battery?

Tell us your demand, then our sales will recommend a suitable battery to you.

Q:How about the delivery time?

15 days for bulk order.

Q:What is the life span of lead acid battery?

About 5-10 years on Gamko-Solar product.

Q:How to solve the technical problem?

24 hours after-service consultancy just for you and to make your problem to solve easily.

Q:Can the battery be installed in any orientation?

Yes, it can be operated in virtually any orientation without loss of capacity or electrolyte leakage, though upside down operation is not recommended.