Description
Fifutec FP640 — 6V 4Ah AGM (VRLA) Replacement Battery
The FP640 from Fifutec is a 6-Volt, 4Ah sealed lead-acid replacement battery built with absorbent glass mat (AGM) technology for dependable standby and light cyclic use. It’s non-spillable, vibration-resistant, and ideal for small backup systems and portable devices.
This battery is used in the 5327-750 Coleman BatteryReplacement Rechargeable 6V Battery is a Coleman replacement battery, this is not a Coleman branded or Fifutec label but a replacement part with 10% more runtime capacity than factory original. To view the new rechargeable battery, click here. Color and markings may vary from those shown.
Key Features
- Maintenance-friendly AGM — sealed, non-spillable design.
- Stable standby power with low self-discharge.
- Compact footprint for tight housings and retrofits.
- Versatile — works in multiple orientations (not inverted).
Common Applications
- Emergency lighting & exit signs
- Alarm/security panels & access control
- Kids’ ride-on toys, scooters, portable lights
- Small UPS/backup, test instruments, hobby projects
Specifications
| Brand / Model | Fifutec FP640 Replacement |
|---|---|
| Nominal Voltage | 6 VDC |
| Capacity (20-hr) | 4.5 Ah |
| Chemistry | AGM VRLA (sealed lead-acid) |
| Terminal | Fast-on spade — F1 0.187″ |
| Dimensions (L × W × H) | ≈ 2.76″ × 1.85″ × 3.98″ (70 × 47 × 101 mm) typical for 6V4Ah class |
| Total Height (with terminals) | ≈ 4.21″ (107 mm) typical |
| Weight | ≈ 1.5–1.8 lb (0.7–0.8 kg) |
| Operating Temp (discharge) | ≈ −20 °C to +50 °C |
| Design Life (standby) | ≈ 3–5 years (temperature/charge dependent) |
What’s Included
- (1) Fifutec FP640 6V 4Ah AGM Replacment battery
Install & Charging Tips
- Power down equipment; observe polarity and terminal size (F1 vs F2).
- Fully seat spade connectors; secure battery in the holder.
- Float charge around 6.75–6.9 V (2.25–2.30 V/cell) at 25 °C; adjust for temperature.
For multi-battery packs in series/parallel, replace as a set to keep runtimes balanced.
Shipping & Availability
Ships ground from U.S. warehouses. Volume/contractor pricing available.
Please verify size of this battery to make sure it will fit in your application.
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