Product Description
Deka 8G40C Gel Deep‑Cycle Battery
The Deka 8G40C is a premium 12 volt deep-cycle gel battery with a 40Ah capacity, engineered for durability and long-lasting performance. The gel battery design is ideal for wheelchairs, mobility scooters, UPS backup systems, emergency lighting, fire alarms, security systems, data storage, computers, and medical equipment where dependable power is required. With sealed gel technology, this maintenance‑free battery delivers exceptional reliability for demanding deep‑cycle applications.
8G40C Features
- Recombinant Gel Electrolyte Technology – Virtually eliminates spills, gasses, and terminal corrosion
- Power-Perform® Full-Frame Plates – Designed with a specialized oxide formulation for enhanced durability and longer cycle life
- Ultra-Low Self-Discharge – Less than 2% per month, ideal for seasonal or infrequent use
- Thick Gel Consistency and Tight-Pack Design – Prevents vibration damage and extends operational life
- 100% Maintenance-Free Operation – No need to check water or electrolyte levels
- Threaded Insert Terminals – Features 1/4-20 threaded insert connections with new hardware included
- Proudly Made in the USA – Manufactured by East Penn and backed by a 1-Year Warranty
Why Choose the 8G40C?
The Deka 8G40C Gel Battery is part of the trusted Deka Dominator series, built for exceptional deep-cycle performance in demanding applications. Its sealed gel technology ensures spill-proof safety, reduces gassing, and eliminates maintenance, making it a reliable solution for both residential and commercial use. With a longer cycle life than standard lead-acid batteries, it minimizes downtime and delivers dependable power over the long term. Whether used for mobility equipment, UPS backup systems, or industrial power needs, the 8G40C provides consistent performance you can count on. Backed by East Penn’s reputation for quality and manufacturing excellence, this battery offers unmatched reliability and value.
| Voltage | 12V |
| Type | Deep Cycle Gel |
| Capacity | 40 Ah |
| Cold Cranking Amps |
225A |
| Terminals | 1/4" - 20 Inserts |
| Polarity | - Left / + Right |
| Length | 7.75" |
| Width | 6.63" |
| Height | 6.88" |
| Weight | 31.5 lbs |
| Warranty | 1 Year |
Deka Deep-Cycle Gel Battery Spec Sheet
East Penn Gel Battery SDS
Deka 8G40C Battery Cross-Reference
Replaces 12V 46Ah Batteries with M6 Terminals: 8G40C, BW12500, DURA12-44C/FR, MB86-50, MR86-50, PS-12450 M6 VDS, PWL12V38, SCP12500 M6, SG12400RT, SLAA12-44C/FR, SLR50.
Important: Always confirm your battery's dimensions, terminal configuration, and specifications before purchase to ensure proper fit and performance.
Extend the Life of Your Battery
Keeping your battery charged between uses with a quality maintainer is essential for maximizing its lifespan. For the 8G40C we recommend the NOCO Genius 5 Charger and Maintainer.
Applications
- Wheelchairs and Mobility Scooters
- UPS Battery Backup Systems
- Security Systems and Fire Alarms
- Emergency Lighting and Medical Equipment
- Data Storage and Computer Backup
