# SBLFP35

Compact 12.8 V, 35 Ah lithium iron phosphate battery with 448 Wh of energy and an integrated battery management system.

- Product page: https://catalog.satelusa.com/products/sblfp35/
- Category: Power
- Status: current
- Part number: SBLFP35
- Image: https://catalog.satelusa.com/images/products/sblfp35.webp

## Overview

SBLFP35 is a compact deep-cycle power source for portable radio systems and other demanding field applications. Its lithium iron phosphate chemistry supplies stable 12.8 V power while weighing substantially less than a comparable lead-acid battery.

An integrated battery management system provides fault protection, cell balancing and optimized performance throughout each cycle. The rugged, impact-resistant case and M6 terminals support dependable installation in mobile and portable equipment.

Use a compatible LiFePO4 charger with a 14.4 V charging profile. Contact Satel USA to confirm cable, charger and enclosure compatibility for your radio system.

## Highlights

- 448 Wh of deep-cycle LiFePO4 energy in a compact, impact-resistant case
- Integrated battery management system for fault protection and cell balancing
- Up to 35 A continuous discharge and 70 A peak discharge for three seconds
- Rated for 2,500 cycles at 100% depth of discharge and up to 7,000 cycles at 50%

## Specifications

### Electrical

- **Chemistry:** Lithium iron phosphate (LiFePO4)
- **Nominal voltage:** 12.8 V
- **Rated capacity:** At least 35 Ah at 25°C and 0.2C
- **Energy:** 448 Wh
- **Charging voltage:** 14.4 V
- **Continuous charge current:** 30 A
- **Continuous discharge current:** 35 A
- **Peak discharge current:** 70 A for 3 seconds
- **Terminal type:** M6

### Service life and environment

- **Cycle life at 100% depth of discharge:** 2,500 cycles
- **Cycle life at 80% depth of discharge:** 3,600 cycles
- **Cycle life at 50% depth of discharge:** 7,000 cycles
- **Discharge temperature:** -4–140°F (-20–60°C)
- **Charging temperature:** 32–140°F (0–60°C)
- **Storage duration:** 6 months
- **Cell certification:** UL 1642

### Physical

- **Dimensions:** 7.75 × 5.19 × 6.56 in; 6.8 in high including terminals
- **Weight:** 10.6 lb (4.8 kg)

## Related products

- [SBLFP50](https://catalog.satelusa.com/products/sblfp50/)
- [SBLFP100](https://catalog.satelusa.com/products/sblfp100/)