[Fully Decoded] Kastar 1-Pack LP-E4N 11.1V 4400mAh Lithium-Ion Battery + Kastar LCD Dual Fast Charger (AC 110-240V) — Compatible with Canon LP-E4 LPE4N, LC-E4 LC-E4N, EOS 1D Mark III / Mark 3 / EOS 1Ds

Fully decoded replacement battery that can be charged with the original Canon charger and lets compatible cameras display remaining charge. Battery specifications: Lithium‑Ion chemistry, 11.1V voltage, 4400mAh capacity. Included Kastar LCD Dual Fast Charger accepts 110‑240V worldwide input and supports a wide voltage range — it can charge batteries with 6.8V–16.8V of any capacity.

The charger features two independent slots so two batteries can be charged simultaneously, an LCD that shows charging status and battery capacity, and interchangeable plates to fit most digital camera batteries. Intelligent MCU control automatically detects battery voltage and manages charging to prevent overcharge.

Charging uses CC/CV (constant current / constant voltage) regulation with pre‑charge and Li‑ion 0V activation functions to improve reliability and help prolong battery life.