Rollei Compactline 83 Compatible Battery 3.7V 550mAh

Rollei Compactline 83 — 3.7V Li-ion Replacement Battery

This 3.7V 550mAh Li-ion cell replaces the original battery in the Rollei Compactline 83 compact digital camera. The Compactline 83 uses a slim 53.00 x 34.00 x 4.80mm cell that fits the tight battery bay without modification. Voltage and capacity match the original spec so the camera powers on and operates normally after swap.

• Compactline 83 fit: The Compactline 83 uses a dedicated slim-format cell at a fixed 3.7V rail. This replacement matches the physical footprint and voltage exactly so the camera's power management circuit recognises the cell on first insertion.
• Bench tested on actual hardware: We cycled this cell through full charge and discharge on the bench. The protection circuit handled end-of-charge cutoff cleanly, and the cell held voltage within spec across the full discharge curve.
• Fuel gauge recalibration after swap: After fitting this cell, run one complete discharge down to camera shutoff, then charge fully without interruption. This lets the camera's fuel gauge IC map its percentage readings against the new cell's actual discharge curve rather than the old cell's worn profile.

Why the Compactline 83 shows wrong battery percentage after a cell swap

The camera stores a discharge curve from the original cell in its fuel gauge IC. When a new cell goes in, that stored curve no longer matches reality, so the percentage display reads high or low until the IC relearns. A new cell at full charge may show 70% on first boot — that is the IC reporting against an old worn curve, not a fault with the replacement. One full discharge-to-shutoff followed by a complete uninterrupted charge resets the calibration. After that cycle, the percentage display tracks the new cell accurately.

Camera shuts off suddenly while the battery indicator still shows charge remaining

This happens when a degraded original cell can no longer sustain voltage under the load spikes from the LCD, flash capacitor, or write operations to the card. The cell voltage drops below the protection threshold instantly under load, triggering shutoff, then recovers when load is removed — which is why the indicator can still show partial charge at rest. A new cell with healthy internal resistance handles those load spikes without the voltage cliff. After fitting this replacement, charge to full before the first use session so the cell starts the discharge curve at 4.2V.